Cisco WS-C2916M-XL Software Guide
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- Cisco WS-C2916M-XL | Software Guide - Page 1
Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide Cisco IOS Releases 12.0(5)WC4 and 12.0(5)WC5 May 2002 Corporate Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 526- - Cisco WS-C2916M-XL | Software Guide - Page 2
, and iQuick Study are service marks of Cisco Systems, Inc.; and Aironet, ASIST, BPX, Catalyst, CCDA, CCDP, CCIE, CCNA, CCNP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, the Cisco IOS logo, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Empowering the - Cisco WS-C2916M-XL | Software Guide - Page 3
Cisco TAC Web Site xxi Cisco TAC Escalation Center xxi Overview 1-1 Features 1-1 Management Options 1-6 Management Interface Options 1-6 Advantages of Using CMS and Clustering Switches 1-7 Network Configuration Examples 1-8 Design Concepts for Using the Switch XL Software Configuration Guide iii - Cisco WS-C2916M-XL | Software Guide - Page 4
2-2 Front Panel View 2-4 Cluster Tree 2-5 Front-Panel Images 2-6 Redundant Power System LED 2-7 Port Modes and LEDs 2-8 VLAN Membership Modes 2-12 2-25 Link Popup Menu 2-25 Device Popup Menus 2-26 Interaction Modes 2-28 Guide Mode 2-28 Expert Mode 2-28 Wizards 2-28 Tool Tips 2-29 Online Help - Cisco WS-C2916M-XL | Software Guide - Page 5
3-8 Where to Go Next 3-8 General Switch Administration 4-1 Initial Switch Configuration 4-2 Switch Software Releases 4-2 Console Port Access Switches 5-1 Understanding Switch Clusters 5-2 Command Switch Characteristics 5-3 Standby Command Switch Characteristics 5-3 Candidate Switch and Member Switch - Cisco WS-C2916M-XL | Software Guide - Page 6
Port 5-19 NAT Commands 5-19 LRE Profiles 5-19 Availability of Switch-Specific Features in Switch Clusters 5-19 Creating a Switch Cluster 5-19 Enabling a Command Switch 5-20 Adding Member Switches 5-21 Creating a Cluster Standby Group 5-23 Verifying a Switch Cluster 5-25 Using the CLI to Manage - Cisco WS-C2916M-XL | Software Guide - Page 7
6-12 Configuring the Network Time Protocol 6-13 Configuring the Switch as an NTP Client 6-13 Enabling NTP Authentication 6-13 Configuring the Switch for NTP Broadcast-Client Mode 6-13 Configuring CDP 6-13 6-32 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide vii - Cisco WS-C2916M-XL | Software Guide - Page 8
6-51 Configuring Login Authentication 6-52 Specifying TACACS+ Authorization for EXEC Access and Network Services 6-53 Starting TACACS+ Accounting 6-54 Configuring a Switch for Local AAA 6-54 Controlling Switch Access with RADIUS 6-55 Understanding RADIUS 6-55 RADIUS Operation 6-56 Catalyst 2900 - Cisco WS-C2916M-XL | Software Guide - Page 9
Network Services 6-64 Starting RADIUS Accounting 6-65 Configuring Settings for All RADIUS Servers 6-65 Configuring the Switch to Use Vendor-Specific RADIUS Attributes 6-66 Configuring the Switch for Aging 7-11 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide ix - Cisco WS-C2916M-XL | Software Guide - Page 10
IP Phone Connection 7-13 Configuring a Port to Connect to a Cisco IP Phone 7-14 Overriding the CoS Priority of Incoming Frames 7-14 Configuring Voice Ports to Carry Voice and Data Traffic on Different VLANs 7-15 Configuring Inline Power on the Catalyst 3524-PWR Ports 7-15 Configuring the LRE Ports - Cisco WS-C2916M-XL | Software Guide - Page 11
31 How Class of Service Works 8-31 Port Priority 8-31 Port Scheduling 8-31 Configuring the CoS Port Priorities 8-32 Load Sharing Using STP 8-32 Load Sharing Using STP Port Priorities 8-32 Configuring STP Port Priorities and Load Sharing 8-33 Load Sharing Using STP Path Cost 8-34 Contents Catalyst - Cisco WS-C2916M-XL | Software Guide - Page 12
9-8 GBIC Security and Identification 9-8 Troubleshooting LRE Port Configuration 9-9 Troubleshooting CMS Sessions 9-11 Determining Why a Switch Is Not Added to a Cluster 9-14 Copying Configuration Files to Troubleshoot Configuration Problems 9-15 Troubleshooting Switch Software Upgrades 9-16 Recovery - Cisco WS-C2916M-XL | Software Guide - Page 13
A-41 TAC Messages A-44 TTYDRIVER Messages A-45 VQPCLIENT Messages A-46 VTP Message A-49 Contents Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide xiii - Cisco WS-C2916M-XL | Software Guide - Page 14
Contents Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide xiv 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 15
and troubleshooting a switch or switch clusters. This guide also provides information about configuring the Cisco Long-Reach Ethernet (LRE) customer premises equipment (CPE) devices. It includes descriptions of the management interface options and the features supported by the switch software - Cisco WS-C2916M-XL | Software Guide - Page 16
for the Catalyst 2900 XL and Catalyst 3500 XL switches. It does not repeat the commands and command descriptions already documented in the Cisco IOS Release 12.0 documentation on Cisco.com. Organization The organization of this guide is as follows: Chapter 1, "Overview," lists the software features - Cisco WS-C2916M-XL | Software Guide - Page 17
Preface Conventions Conventions This guide uses these conventions to convey instructions and information: Command descriptions use these conventions: • Commands and keywords are in boldface text. • Arguments for which you supply values are in italic. • Square brackets ([ ]) indicate optional - Cisco WS-C2916M-XL | Software Guide - Page 18
installing, configuring, or upgrading the switch, refer to the release notes on Cisco.com for the latest information. • Cisco.com) • Cisco LRE CPE Hardware Installation Guide (order number DOC-7811469=) • Installation Notes for the Cisco LRE 48 POTS Splitter (not orderable but is available on Cisco - Cisco WS-C2916M-XL | Software Guide - Page 19
cisco.com/go/subscription • Nonregistered Cisco.com users can order documentation through a local account representative by calling Cisco Cisco product documentation on Cisco.com, you can submit technical comments electronically. Click Leave Feedback at the bottom of the Cisco address: Cisco Systems - Cisco WS-C2916M-XL | Software Guide - Page 20
Internet application and a powerful, easy-to-use tool that provides a broad range of features and services to help you to • Streamline business processes and improve productivity • Resolve technical issues with online support • Download and test software packages • Order Cisco learning materials and - Cisco WS-C2916M-XL | Software Guide - Page 21
or P2 problem, a Cisco TAC engineer will automatically open a case. To obtain a directory of toll-free Cisco TAC Cisco support services to which your company is entitled; for example, SMARTnet, SMARTnet Onsite, or Network Supported Accounts (NSA). In addition, please have available your service - Cisco WS-C2916M-XL | Software Guide - Page 22
Obtaining Technical Assistance Preface xxii Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 23
. Release 12.0(5)WC4 is for the Catalyst 2900 LRE XL switches only. Do not install Release 12.0(5)WC4 on non-LRE switches. The Cisco IOS Release 12.0(5)WC5 software supports the hardware listed in the release notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index.htm). Table - Cisco WS-C2916M-XL | Software Guide - Page 24
) software for simplified switch and switch cluster management through multiple switches. Refer to the release notes (http://www.cisco.com/univercd ports of bandwidth between switches, routers, and with broadcast storms • Cisco Group Management Protocol (CGMP switch ports can join Catalyst - Cisco WS-C2916M-XL | Software Guide - Page 25
between redundant uplinks, including Gigabit uplinks and cross-stack Gigabit uplinks - STP root guard for preventing switches outside the core of the network from becoming the STP root Note Up to 64 instances of STP is supported on each switch (see Table 8-1 on page 8-2). 78-6511-08 Catalyst - Cisco WS-C2916M-XL | Software Guide - Page 26
of service (CoS) with two priority queues on the switch 10/100 and LRE ports and eight priority queues on the Gigabit ports for prioritizing mission-critical and time-sensitive traffic from data, voice, and telephony applications • Voice VLAN (VVID) for creating subnets for voice traffic from Cisco - Cisco WS-C2916M-XL | Software Guide - Page 27
, refer to the Cisco LRE CPE Hardware Installation Guide. For information about the nonhomologated Cisco LRE POTS splitter, refer to the Installation Notes for the Cisco LRE 48 POTS Splitter. Catalyst 3524-PWR XL Switch-Specific Support • Ability to provide inline power to Cisco IP Phones from all - Cisco WS-C2916M-XL | Software Guide - Page 28
the switch. Using CMS, you can fully configure and monitor a standalone switch, a specific cluster member, or an entire switch cluster. • CLI-The switch IOS CLI software is enhanced to support desktop-switching features. You can fully configure and monitor the switch and switch cluster members from - Cisco WS-C2916M-XL | Software Guide - Page 29
. Refer to the release notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index.htm) for a list of supported switches. • Accomplish multiple configuration tasks from a single CMS window without needing to remember CLI commands to accomplish specific tasks. • Apply actions from CMS to - Cisco WS-C2916M-XL | Software Guide - Page 30
switch 11 • "Collapsed Backbone and Switch Cluster Configuration" section on page Design Concepts for Using the Switch As your network users compete operation between the switch and its connected workstations. • Increased power of new Fast Ethernet or Gigabit Ethernet switch ports so that they - Cisco WS-C2916M-XL | Software Guide - Page 31
services that can support applications Cost-effective wiring closet-A cost-effective way to connect many users to the wiring closet is to connect up to nine Catalyst 2900 and Catalyst 3500 XL switches through GigaStack GBIC connections. When you use a stack of Catalyst 3548 XL switches Guide 1-9 - Cisco WS-C2916M-XL | Software Guide - Page 32
again in a star configuration, to two backbone switches. If one of the backbone switches fails, the second backbone switch preserves connectivity between the switches and network resources. Figure 1-1 Example Configurations Catalyst 3548 XL switch Cost-Effective Wiring Closet Catalyst 2900 XL and - Cisco WS-C2916M-XL | Software Guide - Page 33
the switch. Servers are connected to the Gigabit module ports on the switches, allowing 1-Gbps throughput to users when needed. When the switch and to a Fast Ethernet or Fast EtherChannel switch port. Connecting a router to a Fast Ethernet switch port provides multiple, simultaneous access to the - Cisco WS-C2916M-XL | Software Guide - Page 34
Network Configuration Examples Figure 1-2 Small to Medium-Sized Network Configuration Cisco 2600 router Catalyst 2900 XL and Catalyst 3500 XL GigaStack cluster 100 Mbps (200 Mbps full 1 Overview 1-12 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 35
and IP networks, where the IP network supports both voice and data. Each 10/100 inline-power port on the Catalyst 3524-PWR XL switches provides -48 VDC power to the Cisco IP Phone. The IP phone can receive redundant power when it also is connected to an AC power source. IP phones not connected to - Cisco WS-C2916M-XL | Software Guide - Page 36
3550-12G switch 1 Gbps (2 Gbps full duplex) Catalyst 2900 XL and 3500 XL GigaStack cluster Catalyst 2900 XL, 1900, and 2820 cluster Cisco 2600 router 200 Mbps Fast EtherChannel (400 Mbps full duplex Fast EtherChannel) Catalyst 3524-PWR XL GigaStack cluster IP IP AC power source Workstations - Cisco WS-C2916M-XL | Software Guide - Page 37
with Gigabit uplinks to the Catalyst 6500 switch. For example, you can use switch clusters that have a mix of Catalyst 2900 XL and Catalyst 3500 XL switches. The Catalyst 6500 switch provides the workgroups with Gigabit access to core resources: • Cisco 7000 series router for access to the - Cisco WS-C2916M-XL | Software Guide - Page 38
router gateway Servers Catalyst 6500 switch Catalyst 2900 XL and 3500 XL GigaStack cluster 1 Gbps (2 Gbps full duplex) Catalyst 3524-PWR XL GigaStack cluster IP IP AC Workstations running power Cisco SoftPhone software source IP IP Cisco IP Phones IP IP IP Cisco IP Phones 54571 1-16 - Cisco WS-C2916M-XL | Software Guide - Page 39
not required at all, a splitter is not needed, and the switch can connect directly to the patch panel. Note Cisco LRE products can share lines with analog telephones, Integrated Services Digital Network (ISDN) telephone network, and PBX switches that use the 0 to 700 kHz frequency range. Data to and - Cisco WS-C2916M-XL | Software Guide - Page 40
CPEs from the LRE switches to which they are connected. The switch LRE ports support the same software features as the 10/100 switch ports. For example, IP Laptop phone IP Environmental controls Cisco 585 LRE CPE Laptop POTS telephones Cisco 575 LRE CPE Required microfilter Rooms and - Cisco WS-C2916M-XL | Software Guide - Page 41
switches as aggregation switches in the mini-point-of-presence (POP) location. These switches are connected through 1000BASE-X GBIC ports. The resident switches switches can then connect to another residential switch through a 10/100 connection. All ports on the residential switches switch, switch. - Cisco WS-C2916M-XL | Software Guide - Page 42
Figure 1-6 Multidwelling Configuration Cisco 12000 Gigabit switch routers Catalyst 6500 switches Si Catalyst 6500 Si multilayer switches Si Si Catalyst 2900 XL and Catalyst 3500 XL switches, including Catalyst 2900 LRE XL switches Set-top box TV Chapter 1 Overview Service Provider POP Si - Cisco WS-C2916M-XL | Software Guide - Page 43
optic cable. The Catalyst switches have Coarse Wave Division Using CWDM technology with the switches translates to farther data transmission switches Access layer CWDM OADM modules Catalyst 4000 multilayer switches Aggregation layer Where to Go To Next Before configuring the switch, review - Cisco WS-C2916M-XL | Software Guide - Page 44
Where to Go To Next Chapter 1 Overview 1-22 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 45
notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index.htm). • For procedures for using CMS, refer to the online help. Note This chapter describes CMS on the Catalyst 2900 XL and Catalyst 3500 XL switches. Refer to the appropriate switch documentation for descriptions of the web - Cisco WS-C2916M-XL | Software Guide - Page 46
image of a specific switch or the front-panel images of all switches in a cluster. From this view, you can select multiple ports or multiple switches and configure them . • Tools to simplify configuration tasks: - Interactive modes-guide mode and expert mode-that control the presentation of some - Cisco WS-C2916M-XL | Software Guide - Page 47
access for users allowed to change switch settings; read-only access for users allowed to only view switch settings • Consistent set of GUI components the button displays the legend of icons and color codes. Click Guide or Expert interaction mode to change how some configuration options will be - Cisco WS-C2916M-XL | Software Guide - Page 48
only the front panel of the specific switch (Figure 2-3). Figure 2-2 Front Panel View from a Command Switch cluster1 10.1.1.2 65718 Cluster tree. Right-click a member switch image to display the device pop Series XL and Catalyst 3500 Series XL Software Configuration Guide 2-4 78-6511-08 65720 - Cisco WS-C2916M-XL | Software Guide - Page 49
configure switch or cluster settings on one or more switches, If the cluster has many switches, you might need to switch is not operating, or the switch is receiving power from an RPS. Switch is not powered up, has lost power, or the command switch is unable to communicate with the member switch - Cisco WS-C2916M-XL | Software Guide - Page 50
that you set from CMS > Preferences. This section includes descriptions of the LED images. Similar descriptions of the switch LEDs are provided in the switch hardware installation guide. Note The Preferences window is not available if your switch access level is read-only. For more information about - Cisco WS-C2916M-XL | Software Guide - Page 51
exist: • One of the RPS power supplies could be down. Contact Cisco Systems. • The RPS fan could have failed. Contact Cisco Systems. Blinking amber Internal power supply of the switch is down, and redundancy is lost. The switch is operating on the RPS. Table 2-4 Cisco RPS 600 LED on the Catalyst - Cisco WS-C2916M-XL | Software Guide - Page 52
to the switch hardware installation guide for information about using the UTL LED. To select or change a mode, click the Mode button until the desired mode LED is green. Table 2-6 Port Modes Mode LED Description STAT Ethernet link status of the 10/100, 100BASE-FX, or 1000BASE-X switch ports - Cisco WS-C2916M-XL | Software Guide - Page 53
, 2924, 2912MF, and 2924M XL Switches 1 Port Mode Port LED Color Description STAT Cyan (off) No link. amber for up to 30 seconds as STP checks the switch for possible loops. Brown No link and port is is operating at 1000 Mbps. 1. On the modular switches, port LED 1 or 2 is green when a module - Cisco WS-C2916M-XL | Software Guide - Page 54
on the Cisco 585 LRE CPEs. The LEDs for the switch LRE ports connected to these CPEs are cyan in this mode. To display the status of these CPEs, use the show remote interfaces status user EXEC command. 2-10 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511 - Cisco WS-C2916M-XL | Software Guide - Page 55
or Cisco access point is receiving power from an AC power source, the port LED is off even if the IP phone is connected to the switch port. The LED turns green only when the switch port is providing power. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide - Cisco WS-C2916M-XL | Software Guide - Page 56
information about these modes, see the "Assigning VLAN Port Membership Modes" section on page 8-5. Note This feature is not supported on the Catalyst 1900 and Catalyst 2820 switches. Table 2-10 VLAN Membership Modes Mode Static access Dynamic access ISL trunk Multi-VLAN 802.1Q trunk ATM trunk - Cisco WS-C2916M-XL | Software Guide - Page 57
only the switch cluster and network neighborhood of the specific command or member switch that you access. To display a different switch cluster, you need to access the command switch or member switch of that Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 2-13 - Cisco WS-C2916M-XL | Software Guide - Page 58
connected to cluster1 that are not eligible to join the cluster. 65722 65723 2-14 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 59
are connected to Long-Reach Ethernet (LRE) switches • Devices that are not eligible to join the cluster, such as Cisco IP phones, Cisco access points, and Cisco Discovery Protocol (CDP)-capable hubs and routers 08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 2-15 - Cisco WS-C2916M-XL | Software Guide - Page 60
Link Labels The Topology view displays device and link information by using these labels: • Cluster and switch names • Switch MAC and IP addresses • Link type between the devices • Link speed and IDs of the Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 61
Color Meaning Green Yellow1 Red1 The device is operating. The internal fan of the switch is not operating, or the switch is receiving power from an RPS. The device is not operating. 1. Available only on the Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 2-17 - Cisco WS-C2916M-XL | Software Guide - Page 62
a CMS session launched from a command switch. • If you launch CMS from a specific switch, the menu bar displays the features supported only by that switch. • If you launch CMS from a command switch, the menu bar displays the features supported on the switches in the cluster, with these exceptions - Cisco WS-C2916M-XL | Software Guide - Page 63
should be Catalyst 2900 XL and Catalyst 3500 XL switches. Refer to the release notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index.htm) for the Catalyst switches that can be part of a switch cluster. Note Unless noted otherwise, Table 2-15 lists the menu-bar options available - Cisco WS-C2916M-XL | Software Guide - Page 64
Bar Options CMS Page Setup Print Preview Print Guide Mode/Expert Mode1 Preferences2 Administration IP Addresses2 SNMP2 switch looks for members and for candidate switches. Launch Device Manager for a specific switch. Change the host name of a switch. Display and configure STP parameters for a switch - Cisco WS-C2916M-XL | Software Guide - Page 65
the cluster-member side of the link displays. Display the most recent system messages (IOS messages and switch-specific messages) sent by the switch software. This option is available on the Catalyst 2950 or Catalyst 3550 switches. It is not available from the Catalyst 2900 XL and Catalyst 3500 XL - Cisco WS-C2916M-XL | Software Guide - Page 66
Panel view. Rearrange the order in which switches appear in the Front Panel view. overview of the CMS interface. What's New Obtain a description of the new CMS features. Help For Active Window from a Device Manager session on a command-capable switch that is not a cluster member. 5. Available - Cisco WS-C2916M-XL | Software Guide - Page 67
- Display the device type, the software version, the IP address, and other information about a switch. Refresh - Update the views with the latest status. Front Panel - Topology3 - Topology Options3 -08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 2-23 - Cisco WS-C2916M-XL | Software Guide - Page 68
all switch and cluster click the switch icon from the the switch. Delete name of the switch. Properties Display switch but not from the command switch. 2. Available only from the command switch , click a specific port image, Catalyst 2820 switches. Enable port security switches that support the - Cisco WS-C2916M-XL | Software Guide - Page 69
Menu You can display reports and graphs for a specific link displayed in the Topology view (Table 2-19). of the link are • Candidate switches • Catalyst 1900 and Catalyst 2820 switches • Devices that are not -click to display the link popup menu specific for that link. Figure 2-10 Multilink - Cisco WS-C2916M-XL | Software Guide - Page 70
-Switch Icon Popup Menu Option Task Collapse cluster Host Name1 View the neighborhood outside a specific cluster. Change the host name of a switch. 2-22 Device Popup Menu of a Member or Standby Command-Switch Icon Popup Menu Option Remove from Cluster1 Host Name1 Device Manager2 Task Remove a - Cisco WS-C2916M-XL | Software Guide - Page 71
a switch. Properties Cisco devices and third-party devices. Disqualification Code Display the reason why the device could not join the cluster. Properties Display information about the device and port on either end of the link and the state of the link. 1. Available from a cluster member switch - Cisco WS-C2916M-XL | Software Guide - Page 72
guide mode is available for that option. When you click Guide Mode and then select a menu-bar option that supports guide mode, CMS displays a specific on the switch. Similar to the guide mode, wizards provide a step-by-step approach for completing a specific configuration task. Unlike guide mode, a - Cisco WS-C2916M-XL | Software Guide - Page 73
message, such as that the RPS is faulty or that the switch is unavailable because you are in read-only mode. • and concepts on the features. • Dialog-specific help, available from Help on the CMS , click Submit to send your comments to Cisco. We appreciate and value your comments. Figure Guide 2-29 - Cisco WS-C2916M-XL | Software Guide - Page 74
the specific switch from the Host support that feature. For example, the Host Name list on the VLAN window does not include Catalyst 1900 and Catalyst 2820 switches even though they are part of the cluster. Similarly, the Host Name list on the LRE Profiles window only lists the LRE switches - Cisco WS-C2916M-XL | Software Guide - Page 75
or you can hover your cursor over the heading to display a popup description of the column. Icons Used in Windows Some window have icons for sorting in a table are editable, and for displaying further information from Cisco.com (Figure 2-13). Figure 2-13 Window Icons Buttons These are Guide 2-31 - Cisco WS-C2916M-XL | Software Guide - Page 76
the following: • You know the IP address and password of the command switch or a specific switch. This information is either: - Assigned to the switch by following the setup program, as described in the release notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index.htm). - Changed - Cisco WS-C2916M-XL | Software Guide - Page 77
more information about this limitation, refer to the release notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index.htm). • These switches do not support read-only mode on CMS: - Catalyst 1900 and Catalyst 2820 - Catalyst 2900 XL switches with 4-MB CPU DRAM In read-only mode, these - Cisco WS-C2916M-XL | Software Guide - Page 78
with the switch or if if your switch access level switch. The configuration is saved on the command and member switches switch. When you make a configuration change to a switch or switch switch restarts. If you do not save your changes to Flash memory, they are lost when the switch switches - Cisco WS-C2916M-XL | Software Guide - Page 79
CMS. Refer to the documentation specific to the switch and its IOS release for descriptions of the CMS version you are using. Where to Go Next Before configuring the switch, refer to these places for start-up information: • Switch release notes on Cisco.com (http://www.cisco.com/univercd/cc/td/doc - Cisco WS-C2916M-XL | Software Guide - Page 80
Where to Go Next Chapter 2 Getting Started with CMS 2-36 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 81
rest of this guide. • Command Usage Basics, page 3-2 • Command-Line Error Messages, page 3-6 • Accessing the CLI, page 3-7 • Saving Configuration Changes, page 3-8 • Where to Go Next, page 3-8 This switch software release is based on Cisco IOS Release 12.0. It has been enhanced to support a set of - Cisco WS-C2916M-XL | Software Guide - Page 82
, refer to the Cisco IOS Release 12.0 documentation on Cisco.com. Accessing Command commands are not saved when the switch reboots. To have access to all commands are stored when the switch reboots. To access the various describes the main command modes supported on the switch, the prompt you see in - Cisco WS-C2916M-XL | Software Guide - Page 83
Use this mode to configure VLAN-specific parameters. Interface configuration Enter the interface command (with a specific interface) while in global configuration mode. switch(config-if)# To exit to global 08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 3-3 - Cisco WS-C2916M-XL | Software Guide - Page 84
port 4 on a 10/100 module in the first module slot on the switch, you enter: switch(config)#interface fa 1/4 • Interface type-Each switch in the Catalyst 2900 series XL and Catalyst 3500 series XL platform supports different types of interfaces. To display a complete list of the interface types - Cisco WS-C2916M-XL | Software Guide - Page 85
based on the command, keywords, and arguments you already have entered. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 3-5 - Cisco WS-C2916M-XL | Software Guide - Page 86
> ? command ? command keyword ? Purpose Obtain a brief description of the help system in any command mode. Obtain a list not enter enough characters for Reenter the command followed by a space your switch to recognize the command. and a question mark (?). The possible keywords Guide 3-6 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 87
IP information and password to the switch or command switch. You can assign this information to the switch in these ways: • Using the setup program, as described in the release notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index.htm). • Manually assigning an IP address and - Cisco WS-C2916M-XL | Software Guide - Page 88
configuration - Procedures for accessing CMS • Chapter 4, "General Switch Administration" The rest of this guide provides information about and CLI procedures for the software features supported in this release. For CMS procedures and window descriptions, refer to the online help. Catalyst 2900 - Cisco WS-C2916M-XL | Software Guide - Page 89
been created or changed for these switches. The switch command reference provides complete descriptions of these commands. This chapter does not provide Cisco IOS Release 12.0 commands and information already documented in the Cisco IOS Release 12.0 documentation on Cisco.com. 78-6511-08 Catalyst - Cisco WS-C2916M-XL | Software Guide - Page 90
software release. New software releases are posted on Cisco.com and are available through authorized resellers. Cisco also supplies a TFTP server that you can download from Cisco.com. Before upgrading a switch, first find out the version of the software that the switch is running. You can do this by - Cisco WS-C2916M-XL | Software Guide - Page 91
to a remote terminal or PC through a serial connection and a modem. For information about connecting to the switch console port, refer to the switch hardware installation guide. Be sure that the switch console port settings match the settings of the terminal or PC. These are the default settings of - Cisco WS-C2916M-XL | Software Guide - Page 92
have assigned IP information and a Telnet password to the switch or command switch, as described in the latest switch release notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index.htm Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 4-4 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 93
troubleshoot Catalyst 2900 XL and Catalyst 3500 XL switches. The switch supports IOS software release supports. You can configure these groups by using an SNMP application or by using the CLI. The four supported Use FTP to access the server ftp.cisco.com. Log in with the username ://ftp.cisco.com Use - Cisco WS-C2916M-XL | Software Guide - Page 94
software. CiscoWorks2000 software uses the switch MIB variables to set device variables and to poll devices on the network for specific information. The results of a poll can be displayed as a graph and analyzed to troubleshoot internetworking problems, increase network performance, verify the - Cisco WS-C2916M-XL | Software Guide - Page 95
notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index.htm). If you have specific network needs, you can configure the switch through its various management interfaces. Table 4-2 lists the key software features, their defaults, their page numbers in this guide, and where you - Cisco WS-C2916M-XL | Software Guide - Page 96
switch release notes (http://www.cisco.com/univercd/cc/td/doc/ product/lan/c2900xl/index.htm). Documentation set for Cisco IOS Release 12.0 on Cisco Administration > System Time on page 6-12. Documentation set for Cisco IOS Release 12.0 on Cisco.com. "MAC Address Notification" section on - page 6- - Cisco WS-C2916M-XL | Software Guide - Page 97
ports - "Configuring the Switch Ports" section on Port This restriction does not apply to the Cisco 575 LRE CPE, which has only one Cisco 575 LRE CPE. It is not configurable on the Cisco 585 LRE CPE. Speed on switch > LRE Profiles Inline power Auto "Configuring Inline Power on the - Catalyst - Cisco WS-C2916M-XL | Software Guide - Page 98
, graphs, and reports Switch Port Analyzer (SPAN) Cisco IOS Release 12.0 on Cisco.com. "SNMP Network Management Platforms" - section on page 4-5. Documentation set for Cisco IOS Release 12.0 on Cisco.com. 4-10 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide - Cisco WS-C2916M-XL | Software Guide - Page 99
switch release notes (http://www.cisco. Cisco IOS Release 12.0 on Cisco Switch Access with - Dial-In User Service switch, which is not a cluster member. 2. Available only from a cluster management session. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide - Cisco WS-C2916M-XL | Software Guide - Page 100
Default Settings Chapter 4 General Switch Administration 4-12 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 101
mixed with other cluster-capable Catalyst switches, but it does not provide complete descriptions of the cluster features for these other switches. For complete cluster information for a specific Catalyst platform, refer to the software configuration guide for that switch. 78-6511-08 Catalyst 2900 - Cisco WS-C2916M-XL | Software Guide - Page 102
1-7. Refer to the release notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index.htm) for the list of Catalyst switches eligible for switch clustering, including which ones can be command switches and which ones can only be member switches, and the required software versions. These - Cisco WS-C2916M-XL | Software Guide - Page 103
XP or later. • It has an IP address. • It has Cisco Discovery Protocol (CDP) version 2 enabled (the default). • It is not a command or member switch of another cluster. • It is connected to the standby command switches and member switches through its management VLAN. Note The access class 199 access - Cisco WS-C2916M-XL | Software Guide - Page 104
switch, the standby command switches should be Catalyst 2900 XL and Catalyst 3500 XL switches. Candidate Switch and Member Switch Characteristics Candidate switches are cluster-capable switches page 5-16). To join a cluster, a candidate switch must meet these requirements: • It is running cluster- - Cisco WS-C2916M-XL | Software Guide - Page 105
switches Command Switches, page Switch-Specific Features in Switch Clusters, page 5-19 Refer to the release notes (http://www.cisco switch uses Cisco Discovery Protocol (CDP) to discover member switches, candidate switches, neighboring switch switch cluster, cluster candidates, connected switch Switches - Cisco WS-C2916M-XL | Software Guide - Page 106
Management VLAN 16 Member switch 8 Member switch 9 Switch 11 candidate switch Edge of cluster Management VLAN 16 Member switch 10 Switch 12 Switch 13 Candidate switches Switch 14 Switch 15 65281 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 5-6 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 107
-enabled device connected beyond the noncluster-capable Cisco device. Figure 5-2 shows that the command switch discovers the Catalyst 3500 XL switch, which is connected to a third-party hub. However, the command switch does not discover the Catalyst 2950 switch that is connected to a Catalyst 5000 - Cisco WS-C2916M-XL | Software Guide - Page 108
a Catalyst 3550 command switch or a Catalyst 2950 command switch running Release 12.1(9)EA1 or later. These command switches can manage cluster members switches Switch 4 (management VLAN 9) Switch 7 (management VLAN 4) VLAN 9 Switch 9 (management VLAN 9) Switch 8 (management VLAN 9) VLAN 4 Switch - Cisco WS-C2916M-XL | Software Guide - Page 109
command switch is VLAN 9. Each command switch discovers the switches in the different management VLANs except these: • Switches 7 and 10 (switches in switches Switch 4 (management VLAN 16) Switch 7 (management VLAN 4) VLAN 62 Switch 9 (management VLAN 62) Switch 8 (management VLAN 9) VLAN 4 Switch - Cisco WS-C2916M-XL | Software Guide - Page 110
1900, Catalyst 2820, Catalyst 2900 XL, Catalyst 2950, and Catalyst 3500 XL switches Switch 4 (management VLAN 16) Switch 7 (management VLAN 4) VLAN 62 Switch 9 (management VLAN 62) Switch 8 (management VLAN 9) VLAN 4 Switch 10 (management VLAN 4) 54983 5-10 Catalyst 2900 Series XL and Catalyst - Cisco WS-C2916M-XL | Software Guide - Page 111
switch (Management AP VLAN 16) VLAN 16 New (out-of-box) Catalyst 2900 LRE XL switch VLAN 16 Catalyst 3500 XL switch AP (Management VLAN 16) VLAN 16 New (out-of-box) Catalyst 2950 switch 65581 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide - Cisco WS-C2916M-XL | Software Guide - Page 112
time and hello time intervals, refer to the Release 12.0 documentation set on Cisco.com. These connectivity guidelines ensure automatic discovery of the switch cluster, cluster candidates, connected switch clusters, and neighboring edge devices. These topics also provide more detail about standby - Cisco WS-C2916M-XL | Software Guide - Page 113
2900 XL or Catalyst 3500 XL command switch, the standby command switches should be Catalyst 2900 XL and Catalyst 3500 XL switches. • Only one cluster standby group can be assigned to a cluster. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 5-13 - Cisco WS-C2916M-XL | Software Guide - Page 114
VLAN 9 VLAN 9 VLAN 9 Management VLAN 16 Catalyst 2950 switch Management VLAN 16 Catalyst 2900 XL or Catalyst 3500 XL switch VLAN 16 Catalyst 3550 Si multilayer switch Member switches 65280 5-14 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 115
IP address ends your CMS session on the switch. Restart your CMS session by entering the new IP address in the browser Location field (Netscape Communicator) or Address field (Internet Explorer), as described in the release notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index - Cisco WS-C2916M-XL | Software Guide - Page 116
strings, see the "Configuring SNMP" section on page 6-48. For SNMP considerations specific to the Catalyst 1900 and Catalyst 2820 switches, refer to the installation and configuration guides specific to those switches. 5-16 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration - Cisco WS-C2916M-XL | Software Guide - Page 117
Service (RADIUS) is configured on a cluster member, it must be configured on all cluster members. Further, the same switch cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index.htm). • These switches do not support read-only mode on CMS: - Catalyst 1900 and Catalyst 2820 - Catalyst 2900 XL switches - Cisco WS-C2916M-XL | Software Guide - Page 118
release notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index.htm). Note Activity synchronization is only valid if your command switch and member switches are running Release 12.0(5)XU 18 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 119
section assumes you have already cabled the switches, as described in the switch hardware installation guide, and followed the guidelines described in the "Planning a Switch Cluster" section on page 5-5. Note Refer to the release notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl - Cisco WS-C2916M-XL | Software Guide - Page 120
switch when you run the setup program during initial switch setup. For information about using the setup program, refer to the release notes (http://www.cisco cluster (Figure 5-8). Instead of using CMS to enable a command switch, you can use the cluster enable global configuration command. Figure - Cisco WS-C2916M-XL | Software Guide - Page 121
add them at the same time. If a candidate switch in the group has a password different from the group, only that specific candidate switch is not added to the cluster. When a candidate switch joins a cluster, it inherits the command-switch password. For more information about setting passwords, see - Cisco WS-C2916M-XL | Software Guide - Page 122
Add to Cluster Window 2900-LRE-24-1 Chapter 5 Clustering Switches Select a switch, and click Add. Press Ctrl and leftclick to select more than one switch. 65724 Enter the password of the candidate switch. If no password exists for the switch, leave this field blank. Figure 5-10 Using the Topology - Cisco WS-C2916M-XL | Software Guide - Page 123
switch is a Catalyst 3550 switch, all standby command switches must be Catalyst 3550 switches. • When the command switch is a Catalyst 2950 switch the IP addresses of the switch. The group number must be the HSRP group, all switches in the group have Cisco IOS Release 12.0 documentation set on Cisco - Cisco WS-C2916M-XL | Software Guide - Page 124
(cisco WS-C3550-12T, SC, ... Active command switch. Standby command switch. Must be a valid IP address in the same subnet as the active command switch. Once entered, this information cannot be changed. 65726 5-24 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide - Cisco WS-C2916M-XL | Software Guide - Page 125
descriptions of the icons, links, and colors, see the "Topology View" section on page 2-13. Select Reports > Inventory to display an inventory of the switches switch or use the show cluster user EXEC command from the command switch or from a member switch a member switch or if a command switch fails, - Cisco WS-C2916M-XL | Software Guide - Page 126
all other cluster commands, refer to the switch command reference. The Telnet session accesses the member-switch CLI at the same privilege level as on the command switch. The IOS commands then operate as usual. For instructions on configuring the switch for a Telnet session, see the "Telnet Access - Cisco WS-C2916M-XL | Software Guide - Page 127
Switch Clusters Using SNMP to Manage Switch Clusters When you first power on the switch switch and propagates them to the member switch. The command switch switches. Note When a cluster standby group is configured, the command switch for a Cluster SNMP Manager Command switch Trap 1, Trap 2, Trap 3 - Cisco WS-C2916M-XL | Software Guide - Page 128
Using SNMP to Manage Switch Clusters Chapter 5 Clustering Switches 5-28 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 129
been created or changed for these switches. The switch command reference provides complete descriptions of these commands. This guide does not provide Cisco IOS Release 12.0 commands and information already documented in the Cisco IOS Release 12.0 documentation on Cisco.com. 78-6511-08 Catalyst - Cisco WS-C2916M-XL | Software Guide - Page 130
IP information of your switch in these ways: • Using the setup program, as described in the release notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index.htm) • Manually assigning an IP 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-2 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 131
switch. Note Using the no ip address command in configuration mode disables the IP protocol stack as well as removes the IP information. Cluster members without IP addresses rely on the IP protocol stack switch switch switch switch. than your switch. A switch. 78-6511-08 Catalyst - Cisco WS-C2916M-XL | Software Guide - Page 132
present on the switch. • The configuration in it, and the service config global configuration command of information the switch receives depends on how switch accepts replies from a BOOTP server and configures itself, the switch will broadcast, instead of unicast, TFTP requests to obtain the switch - Cisco WS-C2916M-XL | Software Guide - Page 133
system is not supported in this release. For more information, see the "Configuring the Relay Device" section on page 6-7. You must also set up the TFTP server with the switch configuration files; for more information, see the next section. For CLI procedures, refer to the Cisco IOS Release 12 - Cisco WS-C2916M-XL | Software Guide - Page 134
If it is on a different LAN, the switch must be able to access it through a relay device or router. For more information, see the "Configuring the Relay Device" section on page 6-7. For CLI procedures, refer to the Cisco IOS Release 12.0 documentation on Cisco.com for additional information and CLI - Cisco WS-C2916M-XL | Software Guide - Page 135
are on a different LAN than the switch. You must configure this relay device to client. If the relay device is a Cisco router, you enable IP routing (ip Used in Autoconfiguration Switch (DHCP client) Cisco router (Relay) refer to the Cisco IOS Release 12.0 documentation on Cisco.com for additional - Cisco WS-C2916M-XL | Software Guide - Page 136
-name file, it reads the router-confg file. If the switch cannot read the router-confg file, it reads the ciscortr.cfg file. Note The switch broadcasts TFTP server requests if the TFTP server name is not obtained 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-8 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 137
Figure 6-3 DHCP-Based Autoconfiguration Network Example Switch 1 Switch 2 Switch 3 Switch 4 00e0.9f1e.2001 00e0.9f1e.2002 00e0.9f1e.2003 00e0.9f1e.2004 Cisco router 10.0.0.10 10.0.0.1 10.0.0.2 10 6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-9 - Cisco WS-C2916M-XL | Software Guide - Page 138
switch based on its IP address. The base directory also contains a configuration file for each switch Switch 1 through Switch 4. Configuration Explanation In Figure 6-3, Switch given in the DHCP server reply, Switch 1 reads the network-confg file from the TFTP server. Switches 2 through 4 retrieve - Cisco WS-C2916M-XL | Software Guide - Page 139
switch in these ways: • Using the setup program, as described in the release notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index.htm) • Manually to 15 are supported. - Privilege menus that change the switch or cluster configuration Cisco IOS Release 12.0 documentation on Cisco - Cisco WS-C2916M-XL | Software Guide - Page 140
clock time setting on the switch. If you are entering the switch and Greenwich, England. Enter a negative number if the switch number if the switch is east of Greenwich Saving Time You can configure the switch to change to daylight saving time to the Cisco IOS Release 12.0 documentation on Cisco.com - Cisco WS-C2916M-XL | Software Guide - Page 141
CLI procedures, refer to the Cisco IOS Release 12.0 documentation on Cisco.com for additional information and CLI procedures. Configuring the Switch as an NTP Client You configure the switch as an NTP client by Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-13 - Cisco WS-C2916M-XL | Software Guide - Page 142
the command switch connected to a Catalyst 5000 series switch. Although the Catalyst 5000 supports CDP, it does not support clustering, and the command switch cannot learn about connected candidate switches connected 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 143
ports. These MAC tables include these types of addresses: • Dynamic address: a source MAC address that the switch learns and then drops when it is not in use. • Secure address: a manually entered unicast address that is usually associated with a secured port. Secure addresses do not age. • Static - Cisco WS-C2916M-XL | Software Guide - Page 144
too short an aging time can cause addresses to be prematurely removed from the table. Then when the switch receives a packet for an unknown destination, it floods the packet to all ports in the same VLAN Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 145
the switch from sending MAC address notification traps, use the no snmp-server enable traps mac-notification global configuration command. To disable the MAC address notification traps on a specific interface, Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-17 - Cisco WS-C2916M-XL | Software Guide - Page 146
shows how to specify 172.20.10.10 as the NMS, enable the switch to send MAC address notification traps to the NMS, enable the MAC address and their associated ports and VLANs. A secure address is a manually entered unicast address that is forwarded to only one port per VLAN Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 147
has these characteristics: • It is manually entered in the address table and must be manually removed. • It can be a unicast VLAN ID. In this case, the switch recognizes the VLAN as that associated with the in-port VLAN. Otherwise, you must supply the VLAN ID. Beginning in privileged Guide 6-19 - Cisco WS-C2916M-XL | Software Guide - Page 148
and issue leave messages to leave the group. The membership of these groups is managed by the switch and by connected routers through the further exchange of CGMP messages. CGMP groups are maintained on a Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 149
to its ports. If there are no other members, the switch removes the port from the group. If there are no other ports in the group, the switch sends a message to routers connected to the VLAN to delete the 6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-21 - Cisco WS-C2916M-XL | Software Guide - Page 150
The router hold-time is the number of seconds the switch waits before removing (aging) a router entry and ceasing mode. Configure the number of seconds the switch waits before dropping a router entry. groups on all VLANs on the switch. Verify your entry by displaying CGMP information. 6- - Cisco WS-C2916M-XL | Software Guide - Page 151
switch switch port. If the configured filter causes the IGMP report to be dropped, the switch switch-port basis. Note IGMP filtering is supported service deployment in Ethernet to the home (ETTH). The IGMP filters specify which multicast addresses are allowed to be received by the switch switch switch - Cisco WS-C2916M-XL | Software Guide - Page 152
igmp profile 22 Switch(config-igmp-profile)# deny Switch(config-igmp-profile)# range 229.9.9.0 Switch(config-igmp-profile)# end Switch# show ip igmp profile 22 IGMP Profile 22 range 229.9.9.0 229.9.9.0 6-24 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511 - Cisco WS-C2916M-XL | Software Guide - Page 153
applied to it. Beginning in privileged EXEC mode, follow these steps to apply an IGMP profile to a switch port: Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Command Purpose configure terminal Enter global -08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-25 - Cisco WS-C2916M-XL | Software Guide - Page 154
an interface can join to 20. Switch# config t Switch(config)# interface fastethernet 0/12 Switch(config-if)# ip igmp max-groups 20 Switch(config-if)# end Switch# show running-config interface fastethernet Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 155
channels) across an Ethernet ring-based service provider network. MVR allows a addresses on the router. Note MVR is supported through the CLI and SNMP. Using MVR leave message for the multicast stream. The switch CPU sends an IGMP group-specific query through the receiver port VLAN. Guide 6-27 - Cisco WS-C2916M-XL | Software Guide - Page 156
Cisco router Catalyst 2900/3500 XL switch SP SP Multicast data Catalyst 2900/3500 XL switch SP SP SP Catalyst 2900/3500 XL SP1 switch S1 Multicast server Catalyst 2900/3500 XL switch on the switch. The access layer switch (S1 switch) modifies forwarded to the switch CPU, which distinguishes - Cisco WS-C2916M-XL | Software Guide - Page 157
ports. • In applications where the receiver ports represent subscribers to a service, we recommend configuring receiver ports as follows: - Enable protected port • MVR is supported on all Catalyst 3500 XL switches and on only the modular Catalyst 2900 XL switches. • Unknown multicast Guide 6-29 - Cisco WS-C2916M-XL | Software Guide - Page 158
. copy running-config startup-config Save your configuration changes to nonvolatile RAM (NVRAM). 6-30 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 159
• Configure uplink ports that receive and send multicast data as source ports. All source ports on a switch belong to the single multicast VLAN. mvr immediate (Optional) Enables the Immediate Leave feature of MVR on 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-31 - Cisco WS-C2916M-XL | Software Guide - Page 160
by the arpa keyword) is enabled on the IP interface. ARP entries added manually to the table do not age and must be manually removed. For CLI procedures, refer to the Cisco IOS Release 12.0 documentation on Cisco.com for additional information and CLI procedures. 6-32 Catalyst 2900 Series XL and - Cisco WS-C2916M-XL | Software Guide - Page 161
Supported switch support only 64 STP instances and 64 VLANs. All other Catalyst 2900 XL switches and all Catalyst 3500 XL switches support specific VLAN Switches switches in the VLAN; however, if you are running STP only on a minimal set of switches that switch, switches that all have run switches - Cisco WS-C2916M-XL | Software Guide - Page 162
Support Redundant Connectivity You can create a redundant backbone with STP by connecting two of the switch redundant links between switches by using EtherChannel instance of STP, the switch accelerates aging on a per switch. 6-34 Catalyst 2900 Series XL and Catalyst 3500 Series XL - Cisco WS-C2916M-XL | Software Guide - Page 163
Ethernet Clusters Catalyst 5000 series switch Catalyst 2900 and 3500 XL switches Cisco 7000 router Catalyst 2900 and 3500 XL switches Catalyst 2900 and 3500 XL switches Catalyst 5000 series/ 6000 backbone Catalyst 6000 switch Layer 3 backbone Cisco 7000 router 33021 Option 1: standalone - Cisco WS-C2916M-XL | Software Guide - Page 164
begins using the alternate paths as soon as STP selects a new root port. STP UplinkFast is a Cisco enhancement that accelerates the choice of a new root port when a link or switch fails or when STP reconfigures itself. The root port transitions to the forwarding state immediately without going - Cisco WS-C2916M-XL | Software Guide - Page 165
Enter global configuration mode. Enable UplinkFast on the switch. The range is from 0 to 1000 switch will become the root switch. When UplinkFast is disabled, the bridge priorities of all VLANs and path costs of all ports are set to default values. Configuring Cross-Stack UplinkFast Cross-stack - Cisco WS-C2916M-XL | Software Guide - Page 166
stack switch before performing the fast transition. Each switch in the stack determines if the sending switch is a better choice than itself to be the stack root of this STP instance by comparing STP root, cost, and bridge ID. If the sending switch Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 167
their stack ports to the multidrop backbone. Only one stack port per switch is supported. • Each stack switch can be connected to the STP backbone through one uplink. • Up to 64 VLANs are supported. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-39 - Cisco WS-C2916M-XL | Software Guide - Page 168
follow these guidelines: • Do not connect alternate stack root ports to stack ports. • Only one stack port is supported per switch. • All stack ports on the stack of switches must be connected to the multidrop backbone. • Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 169
Stack UplinkFast Before enabling CSUF, make sure your stack switches are properly connected. For more information, see the "Connecting the Stack UplinkFast on the switch. (Optional) stack-port Enable CSUF on only one stack-port GBIC interface. The stack only on access switches. end Return to - Cisco WS-C2916M-XL | Software Guide - Page 170
root switch. The switch with the lowest value has switch is active. Switches not acting as a root switch use the root-switch necessary so that other switches on the network ensure ] priority Configure the switch priority for the specified likely the switch will be chosen as the root switch. end - Cisco WS-C2916M-XL | Software Guide - Page 171
tree Purpose Enter global configuration mode. Specify the interval between hello BPDUs. Hello messages show that the switch is active. Enter a number from 1 to 10. Return to privileged EXEC mode. Verify your -08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-43 - Cisco WS-C2916M-XL | Software Guide - Page 172
is restarted. Caution Enabling this feature on a port connected to a switch or hub could prevent STP from detecting and disabling loops in your network, and this could cause broadcast storms and address-learning problems. You can modify these Port Fast parameters: • Port Fast-Enable to bring the - Cisco WS-C2916M-XL | Software Guide - Page 173
Command configure terminal interface interface spanning-tree [vlan stp-list] cost cost Step 4 end Step 5 show running-config Purpose Enter global to change the port priority, which is used when two switches tie for position as the root switch. The stp-list is the list of VLANs to Guide 6-45 - Cisco WS-C2916M-XL | Software Guide - Page 174
guard enabled Service-provider network Desired root switch 43578 Enable the root-guard feature on these interfaces to prevent switches in the customer network from becoming the root switch or being in Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 175
that receive BPDUs rather than putting the interfaces into the blocking state. Note When enabled on the switch, STP applies the BPDU guard feature to all Port Fast-enabled interfaces. Caution The BPDU guard Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-47 - Cisco WS-C2916M-XL | Software Guide - Page 176
This software release supports these Simple Network the version of SNMP supported by the management station. the software to support communications with one SNMPv2Classic. Note If your switch is part of a switches. For CLI procedures, refer to the Cisco IOS Release 12.0 documentation on Cisco - Cisco WS-C2916M-XL | Software Guide - Page 177
procedures, refer to the Cisco IOS Release 12.0 documentation on Cisco.com for additional information and switch-specific traps. These traps are in the private enterprise-specific MIB. c2900 Generate these traps: • Secure address violation • Broadcast storm • RPS failed (power supply Guide 6-49 - Cisco WS-C2916M-XL | Software Guide - Page 178
1900 and Catalyst 2820 switches support up to four trap managers. When you configure community strings for these switches, limit the string length to 32 characters. When configuring traps on these switches, you cannot configure individual trap managers to receive specific traps. Table 6-5 describes - Cisco WS-C2916M-XL | Software Guide - Page 179
for the commands described in this section, refer to the Cisco IOS Release 12.0 Security Command Reference. You can only configure services: authentication, authorization, and accounting. Authentication determines who the user is and whether or not the user is allowed access to the switch Guide 6-51 - Cisco WS-C2916M-XL | Software Guide - Page 180
a line or set of lines. Return to privileged EXEC mode. Verify your entries. 6-52 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 181
restrict a user's network access to Cisco IOS privilege mode (EXEC access) and to network services such as Serial Line Internet Protocol switch for user TACACS+ authorization for all network-related service requests. aaa authorization exec tacacs+ Configure the switch Configuration Guide 6-53 - Cisco WS-C2916M-XL | Software Guide - Page 182
each Cisco IOS privilege level and for network services. service requests, including SLIP, PPP, and PPP NCPs. Return to privileged EXEC mode. Configuring a Switch switch to implement AAA in local mode. The switch to configure the switch for local AAA all network-related service requests. Configure - Cisco WS-C2916M-XL | Software Guide - Page 183
the Cisco IOS Security supported Cisco routers and switches and send authentication requests to a central RADIUS server, which contains all user authentication and network service each supporting which applications support the RADIUS RADIUS. You can add a Cisco switch containing a RADIUS client to - Cisco WS-C2916M-XL | Software Guide - Page 184
security situations: • Multiprotocol access environments. RADIUS does not support AppleTalk Remote Access (ARA), NetBIOS Frame Control Protocol (NBFCP), NetWare Asynchronous Services Interface (NASI), or X.25 PAD connections. • Switch-to-switch or router-to-router situations. RADIUS does not provide - Cisco WS-C2916M-XL | Software Guide - Page 185
for User Privileged Access and Network Services, page 6-64 (optional) • Starting RADIUS Accounting, page 6-65 (optional) • Configuring Settings for All RADIUS Servers, page 6-65 (optional) • Configuring the Switch to Use Vendor-Specific RADIUS Attributes, page 6-66 (optional) • Configuring - Cisco WS-C2916M-XL | Software Guide - Page 186
specific UDP port numbers, or their IP addresses and specific a specific AAA service. This for the same service-for example, accounting services, the switch tries the second host entry configured on the same device for accounting services shares with the switch. The timeout, the switch to use - Cisco WS-C2916M-XL | Software Guide - Page 187
as necessary, making sure that each UDP port number is different. The switch software searches for hosts in the order in which you specify them. Set the timeout, retransmit, and encryption key values to use with the specific RADIUS host. Return to privileged EXEC mode. Verify your entries. (Optional - Cisco WS-C2916M-XL | Software Guide - Page 188
and to use the default ports for both authentication and accounting: Switch(config)# radius-server host host1 Note You also need to configure in which they are performed; it must be applied to a specific interface before any of the defined authentication methods are performed. The Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 189
Chapter 6 Configuring the System Controlling Switch Access with RADIUS Beginning in privileged EXEC mode, follow these steps to configure login authentication. This procedure is configuration file. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-61 - Cisco WS-C2916M-XL | Software Guide - Page 190
line configuration command. Defining AAA Server Groups You can configure the switch to use AAA server groups to group existing server hosts for providing a specific AAA service. If you configure two different host entries on the same RADIUS server for the same service, (for Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 191
, and encryption key values to use with the specific RADIUS host. Enable AAA. Define the AAA server-group with a group name. This command puts the switch in a server group configuration mode. Associate a -6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 6-63 - Cisco WS-C2916M-XL | Software Guide - Page 192
Purpose Enter global configuration mode. Configure the switch for user RADIUS authorization for all network-related service requests. Configure the switch for user RADIUS authorization to determine if 6-64 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 193
services that users are accessing and the amount of network resources that they are consuming. When AAA accounting is enabled, the switch Cisco IOS privilege level and for network services service requests switch between the switch and all the number of times the switch sends each RADIUS request to - Cisco WS-C2916M-XL | Software Guide - Page 194
-specific information between the switch and the RADIUS server by using the vendor-specific attribute (attribute 26). Vendor-specific attributes (VSAs) allow vendors to support their own extended attributes not suitable for general use. The Cisco RADIUS implementation supports one vendor-specific - Cisco WS-C2916M-XL | Software Guide - Page 195
-specific attribute 26, refer to the "RADIUS Attributes" appendix in the Cisco IOS Security Configuration Guide for Release 12.0. Configuring the Switch for between the switch and the RADIUS server, some vendors have extended the RADIUS attribute set in a unique way. Cisco IOS software supports a - Cisco WS-C2916M-XL | Software Guide - Page 196
host 172.20.30.15 nonstandard Switch(config)# radius-server key rad124 Displaying the RADIUS Configuration To display the RADIUS configuration, use the show running-config privileged EXEC command. 6-68 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 197
user AAA authorization for all network-related service requests. username name [privilege level] Enter For password, specify the password the user must enter to gain access to the switch. The password must be from 1 to 25 characters, can contain embedded spaces, Software Configuration Guide 6-69 - Cisco WS-C2916M-XL | Software Guide - Page 198
Controlling Switch Access with RADIUS Chapter 6 Configuring the System 6-70 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 199
been created or changed for these switches. The switch command reference provides complete descriptions of these commands. This guide does not provide Cisco IOS Release 12.0 commands and information already documented in the Cisco IOS Release 12.0 documentation on Cisco.com. For information about - Cisco WS-C2916M-XL | Software Guide - Page 200
the switch, the switch 10/100 GigaStack-to-GigaStack stack connections operate in STP is enabled, the switch can take up to 30 half-duplex switch port is switch sends collision frames across the affected port and causes the transmitting station to resend the packets. The switch the switch is sending - Cisco WS-C2916M-XL | Software Guide - Page 201
the switch port responds to the pause-control frames sent from the attached device. The switch holds pause-control frame has passed, the switch again sends frames through the port. the configuration when the switch restarts. Configuring Flow Control the switch restarts. 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 202
unknown packets to a network port (configured only by using CLI) Note The switch supports the store-and-forward switching mode. Store-and-forward mode stores complete packets and checks for errors before transmission Series XL and Catalyst 3500 Series XL Software Configuration Guide 7-4 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 203
your entries. Blocking Flooded Traffic on a Port By default, the switch floods packets with unknown destination MAC addresses to all ports. Some require flooding. For example, a port that has only manually assigned addresses has no unknown destinations, and flooding serves no Guide 7-5 - Cisco WS-C2916M-XL | Software Guide - Page 204
traffic to all ports in the VLAN. When you configure a port as the network port, the switch deletes all associated addresses from the address table and disables learning on the port. If you configure other 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 7-6 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 205
config Purpose Enter global configuration mode. Enable UDLD on all switch ports. Use the udld interface configuration command to enable UDLD on a specific port. Return to privileged EXEC mode. Verify the entry -08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 7-7 - Cisco WS-C2916M-XL | Software Guide - Page 206
Configuring the Switch Ports Understanding EtherChannel Port Grouping This software release supports two different switch Cisco router 12650 The switch treats the port group as a single logical port; therefore, when you create a port group, the switch Software Configuration Guide 7-8 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 207
is flooded to a protected port because a MAC address has timed out or has not been learned by the switch. Use the port block command to guarantee that in such a case no unicast and multicast traffic is flooded to 08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 7-9 - Cisco WS-C2916M-XL | Software Guide - Page 208
to a user-defined group of stations. When you assign secure addresses to a secure port, the switch does not forward any packets with source addresses outside the group of addresses you have defined. If you Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 209
Aging Note This feature is not available on the Catalyst 2900 LRE XL switches. You can use port security aging to set the aging time for all this feature to remove and add PCs on a secure port without manually deleting the existing secure MAC addresses and to still limit the number of Guide 7-11 - Cisco WS-C2916M-XL | Software Guide - Page 210
security aging time to 2 hours on port 1. Switch(config)#interface fa0/1 Switch(config-if)#port security aging time 120 Configuring SPAN You can use Switch Port Analyzer (SPAN) to monitor traffic on a given Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 211
3500 XL switches can connect to Cisco IP Phonesand carry IP voice traffic. If necessary, the Catalyst 3524-PWR XL can supply electrical power to the Trunk Port" section on page 8-28 for instructions. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 7-13 - Cisco WS-C2916M-XL | Software Guide - Page 212
Switch Ports Configuring a Port to Connect to a Cisco IP Phone Because a Cisco IP Phone also supports connection to a PC or other device, a port connecting a Catalyst 3524-PWR XL switch to a Cisco these steps to configure a port to instruct the phone to give voice traffic a higher Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 213
the Catalyst 3524-PWR Ports The Catalyst 3524-PWR XL switch automatically supplies inline power to connected Cisco IP Phones and Cisco access points if it senses no power on the circuit. If there is power on the circuit, the switch does not supply it. You can also configure the Catalyst 3524-PWR XL - Cisco WS-C2916M-XL | Software Guide - Page 214
switch LRE port and the RJ-11 wall port on an LRE customer premises equipment (CPE) device such as the Cisco 575 LRE CPE or Cisco troubleshooting information, see the "Troubleshooting LRE Port Configuration" section on page 9-9. Additional LRE details are provided in the switch Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 215
PSTN. Note Consult the regulations for connecting to the PSTN in your area. Note Cisco LRE products can share lines with analog telephones, Integrated Services Digital Network (ISDN), and digital PBX switch telephones that use the 0 to 700 kHz frequency range. The standards for spectral profiles - Cisco WS-C2916M-XL | Software Guide - Page 216
switch and CPEs-LRE runs on Category 1, 2, and 3 structured and unstructured cable. The maximum distance supported PBX providing telephone service throughout or has direct connections to the PSTN, and shorts to high-voltage power. This protection might be provided Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 217
the same time. LRE operates in full cable binders and adjusts power levels on each LRE link to maximize the performance of all low upstream rate but provide a high downstream rate. We recommend configuring all switch LRE ports with the LRE-10-5 profile rather than the default LRE-10 Guide 7-19 - Cisco WS-C2916M-XL | Software Guide - Page 218
-10-5) when the link between the LRE switch and the CPE does not need to coexist -duplex throughput on the link between the LRE switch and CPE. Under ideal conditions, this can mean the symmetric profiles when the LRE switch and CPE link need to switch command reference. 7-20 Catalyst 2900 - Cisco WS-C2916M-XL | Software Guide - Page 219
on page 2-10 and the Catalyst 2900 Series XL Hardware Installation Guide. Keep these considerations in mind when you have CPEs connected to the LRE ports: • Enable CDP either globally on the LRE switch or on the specific LRE ports. • Use the lre shutdown interface configuration command to disable - Cisco WS-C2916M-XL | Software Guide - Page 220
Switch Ports Considerations for Connected Cisco 585 LRE CPEs You cannot configure the Cisco 585 LRE CPE Ethernet ports. The default speed for the CPE Ethernet ports is auto. The default duplex mode is half duplex with back pressure. Duplex autonegotiation is not supported on the Cisco the switch, - Cisco WS-C2916M-XL | Software Guide - Page 221
profiles to the LRE ports on the switch. The default active private profile on all LRE ports is LRE-10. The switch resets the ports with the updated profile information about these commands, refer to the switch command reference. 78-6511-08 Catalyst 2900 Series XL and Catalyst - Cisco WS-C2916M-XL | Software Guide - Page 222
Configuring the LRE Ports Chapter 7 Configuring the Switch Ports 7-24 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 223
Configuring 802.1p Class of Service, page 8-31 • Load Sharing switches. The switch command reference provides complete descriptions of these commands. This guide does not provide Cisco IOS Release 12.0 commands and information already documented in the Cisco IOS Release 12.0 documentation on Cisco - Cisco WS-C2916M-XL | Software Guide - Page 224
Catalyst 2912M and Catalyst 2924M modular switches Catalyst 3500 XL switches Maximum Number Maximum Number Trunking of VLANs of STP Instances Supported? 64 64 Yes 250 64 Yes 250 64 Yes 250 64 Yes Figure 8-1 VLANs as Logically Defined Networks Cisco router Catalyst 3500 series XL - Cisco WS-C2916M-XL | Software Guide - Page 225
The GigaStack GBIC also supports both trunking methods. When you are configuring a cascaded stack of Catalyst 3500 XL switches using the GigaStack GBIC • Switches running Release 12.0(5)XP should be upgraded to the current software release as described in the release notes (http://www.cisco.com/ - Cisco WS-C2916M-XL | Software Guide - Page 226
no changes to the running configuration. Before a new switch can be added to a cluster, it must be review the "Management VLANs" section on page 8-3. Beginning in privileged EXEC mode on the command switch port through which you are connected to the switch to a port in the new management VLAN - Cisco WS-C2916M-XL | Software Guide - Page 227
(some models only support 64 VLANs) and is manually assigned. You cannot configure a multi-VLAN port when a trunk is configured on the switch. VLAN traffic on to the Catalyst 2900 Series XL ATM Modules Installation and Configuration Guide. Dynamic access A dynamic-access port can belong to one - Cisco WS-C2916M-XL | Software Guide - Page 228
switch router or server. The switch automatically transitions to VTP switch and make sure that this trunk port is connected to the trunk port of a second switch VTP version on the switch and enable VTP pruning. and not to another switch. Configure the VMPS on the VMPS client switch. You can define the - Cisco WS-C2916M-XL | Software Guide - Page 229
between VLANs is through the router connected to the multi-VLAN port. A multi-VLAN port performs normal switching functions in all its assigned VLANs. For example, when a multi-VLAN port receives an unknown Media 08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 8-7 - Cisco WS-C2916M-XL | Software Guide - Page 230
mode Chapter 8 Configuring VLANs 12516 VLAN 77 Cisco router VLAN 42 Port in multi-VLAN mode not connect multi-VLAN ports to hubs or switches. Connect multi-VLAN ports to routers or hyphen to designate a range of IDs. Configuring a switch port for multi-VLAN mode causes VTP to transition - Cisco WS-C2916M-XL | Software Guide - Page 231
problems, such as duplicate VLAN names, incorrect VLAN-type specifications switch or several interconnected switches under the same administrative responsibility. A switch 2900 XL or Catalyst 3500 XL switch is in the no-management- switches in the domain, and they affect only the individual switch. - Cisco WS-C2916M-XL | Software Guide - Page 232
Using VTP Chapter 8 Configuring VLANs VTP Modes and Mode Transitions You can configure a supported switch to be in one of the VTP modes listed in Table 8-4. Table 8-4 VTP Modes VTP Mode Description VTP server In this mode, you can create, modify, and delete VLANs and specify other - Cisco WS-C2916M-XL | Software Guide - Page 233
VLAN configuration information specific to the VLAN type VTP Version 2 VTP version 2 supports these features not supported in version 1: • Token Ring support-VTP version 2 supports Token Ring LAN switching and VLANs (Token 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 8-11 - Cisco WS-C2916M-XL | Software Guide - Page 234
as pruning-ineligible, the flooding continues. VTP pruning is also supported with VTP version 1 and version 2. Figure 8-3 shows a switched network with VTP pruning enabled. The broadcast traffic from Switch 1 is not forwarded to Switches 3, 5, and 6 because traffic for the Red VLAN has been pruned - Cisco WS-C2916M-XL | Software Guide - Page 235
switches are one switch in switches in the VTP domain. If necessary, reset the switch configuration revision number to 0. Switches in a VTP domain always use the VLAN configuration of the switch number on a switch before adding it add the switch to the VTP the switch. Enter the switch is updated - Cisco WS-C2916M-XL | Software Guide - Page 236
switch software configuration guide. Passwords You can configure a password for the VTP domain, but it is not required. All domain switches must share the same password. Switches the switch. Upgrading from Previous Software Releases When you upgrade from a software version that does not support VTP - Cisco WS-C2916M-XL | Software Guide - Page 237
Ring networks in your environment (TRBRF and TRCRF), you must enable VTP version 2 for Token Ring VLAN switching to function properly. To run Token Ring and Token Ring-Net, disable VTP version 2. • Enabling or Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 8-15 - Cisco WS-C2916M-XL | Software Guide - Page 238
on how to use this command, refer to the switch command reference. Note The Cisco IOS end and Ctrl-Z commands are not supported in VLAN database mode. After you configure VTP, you must configure a trunk port so that the switch can send and receive VTP advertisements. For more information - Cisco WS-C2916M-XL | Software Guide - Page 239
the VTP domain and then modifies its configuration accordingly. Caution Do not configure a VTP domain name if all switches are operating in VTP client mode. If you do so, it is impossible to make changes to the Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 8-17 - Cisco WS-C2916M-XL | Software Guide - Page 240
use the same VTP version. Do not enable VTP version 2 unless every switch in the VTP domain supports version 2. Note In a Token Ring environment, you must enable VTP version 2 for Token Ring VLAN switching to function properly. For more information on VTP version configuration guidelines, see the - Cisco WS-C2916M-XL | Software Guide - Page 241
the traffic must use to access the destination devices. You enable VTP pruning on a switch in VTP server mode. Pruning is supported with VTP version 1 and version 2. If you enable pruning on the VTP server, it 08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 8-19 - Cisco WS-C2916M-XL | Software Guide - Page 242
the supported switches. Switches running this release advertise information about these Token Ring VLANs when running VTP version 2: • Token Ring TRBRF VLANs • Token Ring TRCRF VLANs For more information on configuring Token Ring VLANs, refer to the Catalyst 5000 Series Software Configuration Guide - Cisco WS-C2916M-XL | Software Guide - Page 243
Token Ring VLANs are not locally supported, you configure FDDI and Token Ring media-specific characteristics only for VTP global advertisements to other switches. Table 8-6 Ethernet VLAN Defaults and 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 8-21 - Cisco WS-C2916M-XL | Software Guide - Page 244
-specified VTPv1 default 0; VTPv2 user-specified Range 1-1005 No range 1-4294967294 1-4095 0-1005 8-22 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 245
Cisco IOS after you upgrade to this release. Caution You can cause inconsistency in the VLAN database if you attempt to manually be configured to support a number of switch command reference. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 8-23 - Cisco WS-C2916M-XL | Software Guide - Page 246
the administrative domain, and return to privileged EXEC mode. Verify the VLAN configuration. 8-24 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 247
, the VLAN is removed from all switches in the VTP domain. When you delete a VLAN from a switch that is in VTP transparent mode, the VLAN is deleted only on that specific switch. You cannot delete the default VLANs 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 8-25 - Cisco WS-C2916M-XL | Software Guide - Page 248
multiple VLANs and can extend VLANs across an entire network. 100BASE-T and Gigabit Ethernet trunks use Cisco Inter-Switch Link (ISL), the default protocol, or industry-standard IEEE 802.1Q to carry traffic for 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 249
to be added to the group. If you change the configuration of one of these parameters, the switch propagates the setting that you entered to all ports in the group: • Allowed-VLAN list. • STP path cost for each VLAN. • STP port priority for each VLAN. • STP Port Fast setting. • Trunk status: if - Cisco WS-C2916M-XL | Software Guide - Page 250
on the same switch. For information switch and that this trunk port is connected to the trunk port of a second switch. Otherwise, the switch the port to support ISL or 802. not support trunk switch or other DTP device, use the non-negotiate option on the DTP-capable device so that the switch - Cisco WS-C2916M-XL | Software Guide - Page 251
from passing over the trunk. To restrict the traffic a trunk carries, use the remove vlan-list parameter to remove specific VLANs from the allowed list. A trunk port can become a member of a VLAN if the VLAN is enabled, 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 8-29 - Cisco WS-C2916M-XL | Software Guide - Page 252
1Q tagging can receive both tagged and untagged traffic. By default, the switch forwards untagged traffic with the native VLAN configured for the port. The native ID, the packet is sent untagged; otherwise, the switch sends the packet with a tag. 8-30 Catalyst 2900 Series XL and Catalyst - Cisco WS-C2916M-XL | Software Guide - Page 253
Service Works Before you set up 802.1p CoS on a Catalyst 2900 XL or Catalyst 3500 XL switch that operates with the Catalyst 6000 family of switches switch XL switches, Gigabit switches with 4 MB of DRAM and the WS-X2914-XL and the WS-X2922-XL modules only have one transmit queue and do not support - Cisco WS-C2916M-XL | Software Guide - Page 254
same switch. For load sharing using STP path costs, each load-sharing link can be connected to the same switch or to two different switches. for the VLAN. Figure 8-5 shows two trunks connecting supported switches. In this example, the switches are configured as follows: • VLANs 8 through 10 are - Cisco WS-C2916M-XL | Software Guide - Page 255
Switch 1 as the VTP server. Return to privileged EXEC mode. Verify the VTP configuration on both Switch 1 and Switch on Switch 1. Switch 1 for interface Fa0/2. Repeat Steps 7 through 11 on Switch Switch 2. Verify the Switch 2 has learned the VLAN configuration. Enter global configuration mode on Switch - Cisco WS-C2916M-XL | Software Guide - Page 256
Cost You can configure parallel trunks to share VLAN traffic by setting different path costs on a trunk and associating the path costs Cost Switch 1 Trunk port 1 VLANs 2 - 4 (path cost 30) VLANs 8 - 10 (path cost 19) Trunk port 2 VLANs 8 - 10 (path cost 30) VLANs 2 - 4 (path cost 19) 16591 Switch - Cisco WS-C2916M-XL | Software Guide - Page 257
8 configure terminal Step 9 interface fa0/1 Step 10 Step 11 Step 12 spanning-tree vlan 2 3 4 cost 30 end Step 13 exit Step 14 show running-config Purpose Enter global configuration mode on Switch 1. Enter interface configuration mode, and define Fa0/1 as the interface to be configured as a trunk - Cisco WS-C2916M-XL | Software Guide - Page 258
switch receives a port-shutdown response from the VMPS, it disables the port. The port must be manually reenabled by using the CLI, Cluster Management software, or SNMP. You can also use an explicit entry in the configuration table to deny access to specific Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 259
refers to fixed 10/100 port 2 on member switch 3. These naming conventions must be used in the VMPS database configuration file when it is configured to support a cluster. You can configure a fallback VLAN -08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 8-37 - Cisco WS-C2916M-XL | Software Guide - Page 260
to enter the switchport access vlan dynamic interface configuration command for a trunk port. In this case, the switch retains the setting and applies it if the port is later configured as an access port. You must 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 261
Default VMPS Configuration Table 8-13 shows the default VMPS and dynamic port configuration on client switches. Table 8-13 Default VMPS Client and Dynamic Port Configuration Feature VMPS domain server VMPS -08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 8-39 - Cisco WS-C2916M-XL | Software Guide - Page 262
switch as a dynamic port, first log into the member switch switch command reference. Caution Dynamic port VLAN membership is for end stations. Connecting dynamic ports to other switches VMPS client switches: Step and the switch port Mode field. The switch port that is connected the switch has - Cisco WS-C2916M-XL | Software Guide - Page 263
Count Beginning in privileged EXEC mode, follow these steps to change the number of times that the switch attempts to contact the VMPS before querying the next server: Step 1 Step 2 Command configure terminal Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 8-41 - Cisco WS-C2916M-XL | Software Guide - Page 264
The switch displays this information switch queries the VMPS using version 1 of VQP. Reconfirm Interval The number of minutes the switch switch starts to query the secondary servers. The switch sends queries or SNMP equivalent. Troubleshooting Dynamic Port VLAN switch and VMPS client switches - Cisco WS-C2916M-XL | Software Guide - Page 265
port Switch 9 Secondary VMPS Server 3 Switch 10 172.20.26.157 Client 172.20.26.158 Trunk port 172.20.26.159 30769 Ethernet segment (Trunk link) How the VMPS Works TFTP server Router 172.20.22.7 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 8-43 - Cisco WS-C2916M-XL | Software Guide - Page 266
How the VMPS Works Chapter 8 Configuring VLANs 8-44 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 267
Added to a Cluster, page 9-14 • Copying Configuration Files to Troubleshoot Configuration Problems, page 9-15 • Troubleshooting Switch Software Upgrades, page 9-16 • Recovery Procedures, page 9-18 For additional troubleshooting information: • See Appendix A, "System Messages," for information about - Cisco WS-C2916M-XL | Software Guide - Page 268
9 Troubleshooting Statistics This section describes the statistics you can retrieve from the switch and from connected LRE CPEs. Use the show controllers ethernet-controller and show controllers lre status privileged EXEC command to display these statistics: • Table 9-1 for switch statistics - Cisco WS-C2916M-XL | Software Guide - Page 269
Chapter 9 Troubleshooting Statistics Table 9-2 Ethernet Port Statistics Statistic Type Transmit Unicast Packets this port that were discarded due to a lack of bandwidth resources in the switch forwarding engine. A count of frames received that were discarded due to a lack of frame buffer resources - Cisco WS-C2916M-XL | Software Guide - Page 270
Statistics Chapter 9 Troubleshooting Table 9-2 Ethernet Port Statistics (continued) Statistic Type Explanation No destination unicast packets The total number of well that have good FCS values. Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 9-4 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 271
Troubleshooting ) relative to the ambient, environment, and electromagnetic noise power level that the switch is designed to tolerate without disconnecting from the remote LRE Pkts Carrier sense errors Rx Octets Rx Undersize Pkts Description The count of octets sent from an LRE CPE Guide 9-5 - Cisco WS-C2916M-XL | Software Guide - Page 272
Statistics Chapter 9 Troubleshooting Table 9-4 CPE Ethernet Link Fragments Rx Excess Size Discards Rx SA changes Rx Symbol Errors Rx Collisions and Runts Description The count of 802.3X pause packets received by the LRE CPE Ethernet port. Series XL Software Configuration Guide 9-6 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 273
Troubleshooting with another setting, and the switch does not save the change. Yes5 Yes No - No Yes 1. Catalyst 2900 XL switches only. 2. Cannot be in a destination-based port group 4. Cannot connect cluster members to the command switch. 5. Switch Port Analyzer (SPAN) can operate only if the - Cisco WS-C2916M-XL | Software Guide - Page 274
: • A manually set speed or duplex parameter is different from the manually set speed or Cisco approved GBIC module, remove the GBIC module from the switch, and replace it with a Cisco-approved module. For the GBIC modules supported on the switch, refer to the release notes (http://www.cisco - Cisco WS-C2916M-XL | Software Guide - Page 275
descriptions provide additional troubleshooting information. Refer to the switch command reference. Table 9-6 LRE Port Problems Problem them with 300-ohm microfilters. • A noisy environment (such as motors and power surges) is causing interference with the LRE link. - Change to a profile Guide 9-9 - Cisco WS-C2916M-XL | Software Guide - Page 276
LRE Port Configuration Chapter 9 Troubleshooting Table 9-6 LRE Port Problems (continued) Problem Ethernet performance degradation due to excessive network latency Suspected Cause and Suggested 9-10 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 277
Chapter 9 Troubleshooting Troubleshooting CMS Sessions Troubleshooting CMS Sessions Table 9-7 lists problems commonly encountered when using CMS. Note • If your cluster has these member switches running earlier software releases and if you have read-only access to these member switches, some - Cisco WS-C2916M-XL | Software Guide - Page 278
problem. • CMS requires a Java plug-in to function correctly. For instructions on downloading and installing the plug-in, refer to the release notes (http://www.cisco . - Make sure that the port that connects the PC to the switch belongs to the same VLAN as the management VLAN. For more information - Cisco WS-C2916M-XL | Software Guide - Page 279
Troubleshooting Troubleshooting CMS Sessions Table 9-7 Common CMS Session Problems (continued) Problem Link graphs do not display information in an Internet Explorer 5.0 browser. (For switches running software earlier than Cisco IOS XL and Catalyst 3500 Series XL Software Configuration Guide 9-13 - Cisco WS-C2916M-XL | Software Guide - Page 280
Not Added to a Cluster Chapter 9 Troubleshooting Determining Why a Switch Is Not Added to a Cluster If a switch does not become part of the cluster, you can learn why by selecting View > Topology. Topology view displays the cluster as a double-switch icon and shows connections to devices outside - Cisco WS-C2916M-XL | Software Guide - Page 281
copy files and to troubleshoot configuration problems. This could be useful if you wanted to save configuration files on an external server in case a switch fails. You can then copy the configuration file to a replacement switch and avoid having to reconfigure the switch. Step 1 Step 2 Enter the - Cisco WS-C2916M-XL | Software Guide - Page 282
image that is not supported on this hardware. The switch in this case tries to load the image, but because this switch is not capable of loading this image, the bootup process fails. This also happens in cases when a 4-MB Catalyst 2900 XL switch is upgraded to an Cisco IOS 12.0 image. Download the - Cisco WS-C2916M-XL | Software Guide - Page 283
Troubleshooting Switch Software Upgrades Table 9-8 Problems Encountered When Upgrading the Switch (continued) Problem Failed software upgrade; switch is resetting continuously. After the upgrade, the switch still boots up with the old image. Switch not booting automatically; needs a manual - Cisco WS-C2916M-XL | Software Guide - Page 284
5-23. For a list of command-capable Catalyst desktop switches, see the release notes (http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/index.htm). If you have not configured a standby command switch, and your command switch loses power or fails in some other way, management contact with - Cisco WS-C2916M-XL | Software Guide - Page 285
console port or, if an IP address has been assigned to the switch, by using Telnet. For details about using the console port, refer to the switch installation guide. At the switch prompt, change to privileged EXEC mode: Switch> enable Switch# Step 5 Step 6 Enter the password of the failed command - Cisco WS-C2916M-XL | Software Guide - Page 286
Troubleshooting Step 14 Enter the IP address of the default gateway, and press Return. IP address of the default gateway: ip_address Step 15 Enter a host name for the switch, and press Return. Note On a command switch, the host name is limited to 28 characters; on a member switch Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 287
Chapter 9 Troubleshooting Recovery Procedures snmp community private rw snmp community switch hardware installation guide. At the switch prompt, change to privileged EXEC mode: Switch> enable Switch# Enter the password of the failed command switch. Use the setup program to configure the switch - Cisco WS-C2916M-XL | Software Guide - Page 288
9 Troubleshooting Step 7 Enter the switch IP for the switch, and press Return. Note On a command switch, the host name is limited to 28 characters; on a member switch to 31 characters not appear. Would you like to enable as a cluster command switch? y Step 16 Assign a name to the cluster, and - Cisco WS-C2916M-XL | Software Guide - Page 289
switch fails and there is no standby command switch, you can use the command-switch password to recover. For more information, see the "Recovering from a Command Switch Failure" section on page 9-18. 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide - Cisco WS-C2916M-XL | Software Guide - Page 290
Mode button, and at the same time, reconnect the power cord to the switch. You can release the Mode button a second or two after the LED above port 1X goes off. Several lines of information about the software appear, as do instructions: The system has been interrupted prior to initializing the flash - Cisco WS-C2916M-XL | Software Guide - Page 291
Chapter 9 Troubleshooting Recovery Procedures Step 10 Boot the system: switch: boot You are prompted to start the setup program. Enter N at the prompt: Continue with the configuration dialog? [yes/no]: N Step 11 At the switch prompt, change to privileged EXEC mode: switch> enable Step 12 Rename - Cisco WS-C2916M-XL | Software Guide - Page 292
Recovery Procedures Chapter 9 Troubleshooting Recovering from Corrupted Software Switch software can be corrupted during an upgrade, by downloading the wrong file to the switch, and by deleting the image file. In all these cases, the switch does not pass the power-on self-test (POST), and there is - Cisco WS-C2916M-XL | Software Guide - Page 293
IOS system messages specific for the switch and contains these sections: • Overview, page A-1 • How to Read System Messages, page A-2 • Error Message Traceback Reports, page A-4 • Error Message and Recovery Procedures, page A-4 This switch software release is based on Cisco IOS of the problem or - Cisco WS-C2916M-XL | Software Guide - Page 294
Messages, page A-5 security CAPITOLA Internal module CAPITOLA Messages, page A-7 CDP Cisco Discovery Protocol CDP Messages, page A-7 CHASSIS Chassis CHASSIS Message, page A-8 CMP page A-33 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide A-2 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 295
- critical 3 - error 4 - warning 5 - notification 6 - informational 7 - debugging Description System is unusable. Immediate action required. Critical condition. Error condition. Warning condition. Normal but -08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide A-3 - Cisco WS-C2916M-XL | Software Guide - Page 296
problem to your technical support representative. The following sample message includes traceback information: -Process= "Exec", level= 0, pid= 17 -Traceback= 1A82 1AB4 6378 A072 1054 1860 Error Message and Recovery Procedures This section lists the switch Guide A-4 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 297
Cisco technical support representative, and provide the representative with the gathered information. Error Message AAAA-3-DLRFORKFAIL: Failed to fork process for [chars]. Explanation Quite likely, the switch -08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide A-5 - Cisco WS-C2916M-XL | Software Guide - Page 298
support support output, contact your Cisco technical support -support support output, contact your Cisco technical support support support output, contact your Cisco technical support support support output, contact your Cisco technical support support support output, contact your Cisco technical support - Cisco WS-C2916M-XL | Software Guide - Page 299
the error from the error message text or from the show tech-support output, contact your Cisco technical support representative, and provide the representative with the gathered information. CAPITOLA Messages -08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide A-7 - Cisco WS-C2916M-XL | Software Guide - Page 300
[chars] is the cluster name, and [inet] is the Internet address of the command switch. Recommended Action No action is required. Error Message CMP-5-MEMBER_CONFIG_UPDATE: Received member configuration from member 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide A-8 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 301
and the switch has\nbecome stuck. The switch must now switch. Recommended Action Either check the switch itself, or use the switch has failed. The Catalyst 3524-PWR XL switch can operate normally with one failed fan. Replace the switch the Catalyst 3524-PWR XL switch. Recommended Action Use the show - Cisco WS-C2916M-XL | Software Guide - Page 302
This brings down the switch and causes it to brings down the switch and causes it This brings down the switch and causes it to the system log. Enter the show tech-support command to gather data that might provide the show tech-support output, contact your Cisco technical support representative, and - Cisco WS-C2916M-XL | Software Guide - Page 303
of the error from the error message text or from the show tech-support output, contact your Cisco technical support representative, and provide the representative with the gathered information. Error Message FRANK Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide A-11 - Cisco WS-C2916M-XL | Software Guide - Page 304
switch the show tech-support command to gather data support output, contact your Cisco technical support the show tech-support command to gather data support output, contact your Cisco technical support the show tech-support command to gather data support output, contact your Cisco technical support - Cisco WS-C2916M-XL | Software Guide - Page 305
-support support output, contact your Cisco technical support support support output, contact your Cisco technical support support support output, contact your Cisco technical support support support output, contact your Cisco technical support support support output, contact your Cisco technical support - Cisco WS-C2916M-XL | Software Guide - Page 306
-support Cisco technical support representative, and provide the representative with the gathered information. Error Message FRANK-3-SYSTEM_INFO_FAILURE: Failed to get system configuration information\n Explanation The system configuration information for the switch -support command -support command - Cisco WS-C2916M-XL | Software Guide - Page 307
log. Enter the show tech-support command to gather data that might -support output, contact your Cisco technical support Cisco Gigabit support support autonegotiation on duplex. Explanation 1000-BaseT GBIC modules only support support autonegotiation. Explanation 1000-BaseT GBIC modules only support - Cisco WS-C2916M-XL | Software Guide - Page 308
code and CRC. The switch shuts down the interface identified as a Cisco GBIC, but Cisco GBICs are assigned unique serial numbers. Verify that the GBIC was obtained from Cisco or a supported switch by using the reload privileged EXEC command. If the problem persists, call your Cisco technical support - Cisco WS-C2916M-XL | Software Guide - Page 309
is deployed, make sure all switches in the stack are running the latest software. Explanation No acknowledgement for GigaStack loop detection request is received from one of the links on a GigaStack GBIC. Either the neighboring switch does not support the GigaStack loop-breaking algorithm, or - Cisco WS-C2916M-XL | Software Guide - Page 310
support the GigaStack loop-breaking algorithm, or the link between the two GigaStack GBICs is broken. Under this condition, a GigaStack loop topology is not automatically detected, and the connectivity between switches in the stack the switch, this support output, contact your Cisco technical support - Cisco WS-C2916M-XL | Software Guide - Page 311
to hardware. Recommended Action If this is happening with all features on the switch, this is a hardware failure. Copy the error message exactly as it appears text or from the show tech-support output, contact your Cisco technical support representative, and provide the representative Guide A-19 - Cisco WS-C2916M-XL | Software Guide - Page 312
If this is a Cisco supported CPE, the model number supported currently supported bootloader supported version. Recommended Action Upgrade the bootloader firmware on the CPE to a version that supports supported version. Recommended Action Upgrade the patch on the CPE to a recent version that supports - Cisco WS-C2916M-XL | Software Guide - Page 313
If the CPE is Cisco-certified, reapply the supported. Recommended Action Cisco does not support this CPE device. Replace this CPE with one that is supported switch, or by someone disconnecting the CPE LRE cable or cycling its power the switch or CPE or a loss of power to the CPE. 78- - Cisco WS-C2916M-XL | Software Guide - Page 314
switch error, a network error, or a wrong port number is received by the address learning process. Recommended Action If problems persist, copy the error message exactly as it appears on the console or in the system log. Enter the show tech-support support output, contact your Cisco technical support - Cisco WS-C2916M-XL | Software Guide - Page 315
is the same as one of the switch's own addresses is received by the problem persists, copy the error message exactly as it appears on the console or in the system log, contact your Cisco technical support The switch is configuring one [dec]. Explanation The switch is expecting the same values - Cisco WS-C2916M-XL | Software Guide - Page 316
: NOTE: Dynamic module extraction is not supported. The switch must now be reset because the module will be reset and restarted. Explanation A port problem is detected on the module. The module is from the show tech-support output, contact your Cisco technical support representative, and provide the - Cisco WS-C2916M-XL | Software Guide - Page 317
problem, Cisco technical support representative, and provide the representative with the gathered information. Error Message PM-3-NON_SWITCHABLE_PORT: Non-switchable port:[chars]. Explanation A switchport configuration command is only valid on ports that support hardware packet switching Guide A-25 - Cisco WS-C2916M-XL | Software Guide - Page 318
Message PM-3-POWER_INLINE_BAD: [chars] is drawing too much power Explanation No explanation is available at this time. error message text or from the show tech-support output, contact your Cisco technical support representative, and provide the representative with the gathered Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 319
switch attempts a recovery after the recovery interval expires (default is 5 minutes). Recommended Action Correct the UDLD problem reason> and when the errdisable recovery time has elapsed. Recommended Action No specific action is required. The errdisable feature tries to recover the interface by - Cisco WS-C2916M-XL | Software Guide - Page 320
post an unknown event to a state machine. Recommended Action No action is required. A-28 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 321
system log. Enter the show tech-support command to gather data that might tech-support output, contact your Cisco technical support representative system log. Enter the show tech-support command to gather data that might show tech-support output, contact your Cisco technical support representative, - Cisco WS-C2916M-XL | Software Guide - Page 322
support support output, contact your Cisco technical support support support output, contact your Cisco technical support support support output, contact your Cisco technical support support support output, contact your Cisco technical support support support output, contact your Cisco technical support - Cisco WS-C2916M-XL | Software Guide - Page 323
support support output, contact your Cisco technical support support support output, contact your Cisco technical support support support output, contact your Cisco technical support support support output, contact your Cisco technical support support support output, contact your Cisco technical support - Cisco WS-C2916M-XL | Software Guide - Page 324
No explanation is available at this time. Recommended Action No action is required. A-32 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 325
your Cisco technical support representative, and provide the representative with the gathered information. Error Message REGISTORS-3-ERRONWRITE: [chars]: Failed to write [chars] register. Explanation Failed to write a register. Recommended Action If this is happening with all features on the switch - Cisco WS-C2916M-XL | Software Guide - Page 326
. Occasionally, when a switched network reconfigures, due to either manual or STP reconfiguration, addresses switch attached to that port. Note that the show cdp neighbors command is useful in determining the next switch materials authorization (RMA) for the switch or module that contains the - Cisco WS-C2916M-XL | Software Guide - Page 327
Enter the show tech-support command to gather data support output, contact your Cisco technical support the show tech-support command to gather data support output, contact your Cisco technical support the show tech-support command to gather data support output, contact your Cisco technical support - Cisco WS-C2916M-XL | Software Guide - Page 328
a switch. After the show tech-support command to gather data support output, contact your Cisco technical support the show tech-support command to gather support output, contact your Cisco technical support the show tech-support command to gather support output, contact your Cisco technical support - Cisco WS-C2916M-XL | Software Guide - Page 329
tech-support command to support output, contact your Cisco technical support tech-support command to support output, contact your Cisco technical support tech-support command support output, contact your Cisco technical support tech-support command support output, contact your Cisco technical support - Cisco WS-C2916M-XL | Software Guide - Page 330
error from the error message text or from the show tech-support output, contact your Cisco technical support representative, and provide the representative with the gathered information. SPANTREE_FAST 38 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 331
error from the error message text or from the show tech-support output, contact your Cisco technical support representative, and provide the representative with the gathered information. Error . 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide A-39 - Cisco WS-C2916M-XL | Software Guide - Page 332
bytes transfered = [dec] Explanation The VLAN manager received an unexpected error return from a IOS file system call. Recommended Action No action is required. Error Message SW_VLAN-4-NO_PM_COOKIE_RETURNED: VLAN manager Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 333
interpret the file with no problems but will create files using the [chars]. Explanation Some switch devices must automatically change system log. Enter the show tech-support command to gather data that might provide show tech-support output, contact your Cisco technical support representative, and - Cisco WS-C2916M-XL | Software Guide - Page 334
tech-support command support output, contact your Cisco technical support show tech-support command support output, contact your Cisco technical support tech-support command support output, contact your Cisco technical support tech-support command support output, contact your Cisco technical support - Cisco WS-C2916M-XL | Software Guide - Page 335
support support output, contact your Cisco technical support support support output, contact your Cisco technical support support support output, contact your Cisco technical support support support output, contact your Cisco technical support support support output, contact your Cisco technical support - Cisco WS-C2916M-XL | Software Guide - Page 336
system log. Enter the show tech-support command to gather data that might provide -support output, contact your Cisco technical support system log. Enter the show tech-support command to gather data that might provide show tech-support output, contact your Cisco technical support representative, and - Cisco WS-C2916M-XL | Software Guide - Page 337
log. Enter the show tech-support command to gather data that support output, contact your Cisco technical support due to an internal software problem. Recommended Action No action log. Enter the show tech-support command to gather data that -support output, contact your Cisco technical support - Cisco WS-C2916M-XL | Software Guide - Page 338
system log. Enter the show tech-support command to gather data that might provide -support output, contact your Cisco technical support system log. Enter the show tech-support command to gather data that might provide show tech-support output, contact your Cisco technical support representative, and - Cisco WS-C2916M-XL | Software Guide - Page 339
specific VQP initialization failed. Quitting Explanation No explanation is available at this time. Recommended Action Copy the error message exactly as it appears on the console or in the system log. Enter the show tech-support support support support support output, contact your Cisco technical support - Cisco WS-C2916M-XL | Software Guide - Page 340
the error from the error message text or from the show tech-support output, contact your Cisco technical support representative, and provide the representative with the gathered information. Error Message VQPCLIENT 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 341
on the console or in the system log. Enter the show tech-support command to gather data that might provide information to determine the nature of error message text or from the show tech-support output, contact your Cisco technical support representative, and provide the representative with the - Cisco WS-C2916M-XL | Software Guide - Page 342
Error Message and Recovery Procedures Appendix A System Messages A-50 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 343
clusters 5-15 Telnet access 4-4 access levels, CMS 2-33 access points, inline power 7-15 access ports dynamic 8-5, 8-40 in switch clusters 5-11 static 8-5, 8-7 accounting RADIUS 6-65 TACACS+ 6-51 adding secure 08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide IN-1 - Cisco WS-C2916M-XL | Software Guide - Page 344
vendor-specific 6-66 switches 5-11 connectivity 5-5 management VLANs 5-8, 5-9 non-CDP-capable devices 5-7 non-cluster-capable devices 5-7 creating a cluster standby group 5-23 in switch clusters 5-5 See also CDP IN-2 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide - Cisco WS-C2916M-XL | Software Guide - Page 345
button 2-31 candidate switch adding 5-21 automatic service See CoS CLI 1-6 abbreviating commands 3-4 accessing 3-7 basics 3-2 Cisco IOS Release 12.0 documentation xv command modes 3-2 error messages 3-6 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide - Cisco WS-C2916M-XL | Software Guide - Page 346
switch-specific features 5-19 TACACS+ 5-17 redundancy 5-23 troubleshooting 5-25, 9-14 verifying 5-25 See also candidate switch, command switch, cluster standby group, member switch, and standby command switch error checking 2-34 features 2-2 field descriptions See online help Front Panel images 2-6 - Cisco WS-C2916M-XL | Software Guide - Page 347
toolbar 2-23 tool tips 2-29 Topology view 2-13 troubleshooting CMS session 9-11 verifying configuration changes 2-34 window , 5-23 password privilege levels 5-26 priority 5-12 recovery from command-switch failure 5-12 from failure 9-18, 9-23 from failure without HSRP Configuration Guide IN-5 - Cisco WS-C2916M-XL | Software Guide - Page 348
9-15 system settings 6-1 troubleshooting 9-1 VTP, default 8-15 configuration examples, network 1-8 collapsed backbone and switch cluster 1-13 design concepts cost-effective wiring closet 1-9 high-performance workgroup 1-9 network performance 1-8 network services 1-9 redundant Gigabit backbone 1-10 - Cisco WS-C2916M-XL | Software Guide - Page 349
equipment See CPE CWDM GBIC modules 1-21 troubleshooting 9-8 wavelength colors on CMS 2-6 Index D database, VTP 8-20, 8-23 date, setting 6-12 daylight saving time 6-12 default configurations RADIUS 6-57 VLANs 8-21 VMPS 8-39 VTP 8-15 defaults, switch list of 4-7 resetting to 3-5 deleting VLAN from - Cisco WS-C2916M-XL | Software Guide - Page 350
option 2-27 DNS configuring 6-6 described 6-6 enabling 6-6 documentation Cisco IOS Release 12.0 xv giving feedback xix on CD-ROM 8-40 example 8-42 overview 8-36 reconfirming 8-41 troubleshooting 8-42 VMPS database configuration file 8-37 dynamic port XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 351
features conflicting port 9-7 default settings 4-7 incompatible 9-7 list of 1-1 feedback to Cisco, documentation xix field descriptions, CMS See online help File Transfer Protocol See FTP, accessing MIB files Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide IN-9 - Cisco WS-C2916M-XL | Software Guide - Page 352
2-24 port icons 2-6 port LEDs 2-8 RPS LED 2-7 switch images 2-6 FTP, accessing MIB files 4-5 G GBIC_1000BASET system messages A-15 GBIC modules 1000BASE-LX/LH 1-10 1000BASE-SX 1-9 1000BASE-T 1-9 1000BASE-ZX 1-10 CWDM 1-21 GigaStack 1-9 troubleshooting 9-8 GBIC security messages A-16 get-next-request - Cisco WS-C2916M-XL | Software Guide - Page 353
specifying ports in 3-4 interfaces, supported 1-6 Internet Group Management Protocol See IGMP filtering Internet Protocol system messages See IP Inter-Switch Link See ISL inventory, cluster 5-25 IOS command-line interface, Cisco See CLI IOS Release 12.0 documentation, Cisco xv IP addresses candidate - Cisco WS-C2916M-XL | Software Guide - Page 354
sharing STP, described 8-32 using STP path cost 8-34 using STP port priorities 8-32 login CPE system messages A-20 LRE environment 7-18 troubleshooting 9-9 LRE links See LRE ports LRE link 23 CPE Ethernet links Cisco 575 LRE CPE considerations 7-21 Cisco 585 LRE CPE considerations Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 355
troubleshooting 9-9 See also LRE profiles and CPE lre profile command 7-23 lre profile global command 7-22 LRE profiles assigning private profiles 7-23 public profiles 7-22 considerations 7-19 in switch maximum number supported 6-15 switch switch switch, cluster standby group, and standby command switch - Cisco WS-C2916M-XL | Software Guide - Page 356
1-8 Network Control Protocols See NCPs network examples 1-8 collapsed backbone and switch cluster 1-13 design concepts cost-effective wiring closet 1-9 high-performance workgroup 1-9 network performance 1-8 network services 1-9 redundant Gigabit backbone 1-10 hotel network 1-17 large campus 1-15 - Cisco WS-C2916M-XL | Software Guide - Page 357
no lre profile global command 7-22 nonhomologated POTS splitter See Cisco LRE POTS Splitter (PS-1M-LRE-48) note symbol, definition cost 6-44, 6-45, 8-34 PBX 1-17 PC (passive command switch) 5-12, 5-23 PERF5_HALT_MSG (manufacturing test) system messages A-25 plain old telephone service Guide IN-15 - Cisco WS-C2916M-XL | Software Guide - Page 358
7-11 enabling 7-10 secure address count 7-10 port security system messages A-29 IN-16 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 359
Cisco LRE 48 POTS Splitter (PS-1M-LRE-48) POTS telephones 1-17, 7-20 power, inline 7-15 power detection on the Catalyst 3524-PWR XL 7-15 priority modifying switch switch 5-26 mapping on member switches 5-26 setting 6-11 specifying 6-12 profiles, LRE considerations 7-19 switch on the switch 8-19 - Cisco WS-C2916M-XL | Software Guide - Page 360
67 vendor-specific 6-66 cost 8-34 port priority 8-32 UplinkFast 6-36 redundant clusters See cluster standby group redundant power system See RPS Refresh button 2-31 registors system messages A-33 relay device, configuring 6-7 releases, switch software 4-2 Remote Authentication Dial-In User Service - Cisco WS-C2916M-XL | Software Guide - Page 361
RTD messages A-34 Runtime Diagnostic See RTD messages S saving changes in CMS 2-34 SC (standby command switch) 5-12, 5-23 secure address count 7-10 secure addresses adding 6-18 described 6-18 removing 6-18 -08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide IN-19 - Cisco WS-C2916M-XL | Software Guide - Page 362
5-18, 8-3 upgrading 4-2 troubleshooting 9-16 VLAN considerations 8-14 5-24 standby command switch configuring 5-23 considerations link 9-5 port 9-3 switch 9-2 VTP 8-20 statistics 2-34 store-and-forward switching mode 7-4 storm control system 8-32 using path costs 8-34 using port priorities - Cisco WS-C2916M-XL | Software Guide - Page 363
Index parameters 6-33 path cost changing 6-45 configuring 8-34 Port Fast enabling 6-44 mode changing 6-42 STP instances considerations 6-33 maximum number supported 6-33 switch priority 6-42 UplinkFast 6-36, 6-37 VLAN parameters described Catalyst 3500 Series XL Software Configuration Guide IN-21 - Cisco WS-C2916M-XL | Software Guide - Page 364
6-12 setting 6-12 zones 6-12 tip symbol, definition of xvii TLV support 8-11 Token Ring VLANs overview 8-20 TRBRF 8-11, 8-22 TRCRF icon 2-25 neighboring devices 2-15 pop-up menus 2-25 troubleshooting 9-14 traceback reports A-4 traffic blocking flooded 7-5 forwarding, Configuration Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 365
VLAN defaults and ranges 8-22 troubleshooting 9-1 autonegotiation mismatches 9-8 CMS 9-5 ports 9-3 switch 9-2 switch clusters 9-14 switch upgrades 9-16 using 8-27 ISL 8-26 load sharing using STP path costs 8-34 STP port priorities 8-32 native VLAN for support upgrading software 4-1 troubleshooting - Cisco WS-C2916M-XL | Software Guide - Page 366
specific attributes See VSAs verifying changes in CMS 2-34 version-dependent transparent mode 8-11 virtual IP address cluster standby group 5-13, 5-23 command switch membership modes 2-12, 8-5 trunks overview 8-26 support on older switches and software 8-3 VLAN database mode 3-3 VLAN Guide 78-6511-08 - Cisco WS-C2916M-XL | Software Guide - Page 367
example 8-42 overview 8-36 reconfirming 8-40, 8-41 troubleshooting 8-42 mapping MAC addresses to VLANs 8-36 monitoring 12 pruning-eligible list, changing 8-30 statistics 8-20 Token Ring support 8-11 transparent mode, configuring 8-18 using 8-9 version, determining Software Configuration Guide IN-25 - Cisco WS-C2916M-XL | Software Guide - Page 368
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Corporate Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
Tel: 408 526-4000
800 553-NETS (6387)
Fax: 408 526-4100
Catalyst 2900 Series XL and
Catalyst 3500 Series XL
Software Configuration Guide
Cisco IOS Releases
12.0(5)WC4 and 12.0(5)WC5
May 2002
Customer Order Number: DOC-786511=
Text Part Number: 78-6511-08