3Com 2916-SFP User Guide

3Com 2916-SFP - Baseline Switch Plus Manual

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  • 3Com 2916-SFP | User Guide - Page 1
    3Com® Baseline Switch 2916-SFP Plus and Baseline Switch 2924-SFP Plus User Guide 3CBLSG16 / 3CBLSG24 www.3Com.com Part Number 10016143 Rev. AA Published May 2007
  • 3Com 2916-SFP | User Guide - Page 2
    ... and as such is provided with only such rights as are provided in 3Com's standard commercial license for the Software. Technical data is ... companies with which they are associated. ENVIRONMENTAL STATEMENT It is the policy of 3Com Corporation to be environmentally friendly in all operations. To uphold...
  • 3Com 2916-SFP | User Guide - Page 3
    ABOUT THIS GUIDE This guide provides information about the Web user interface for the 3Com® Baseline Switch 2916-SFP Plus and Baseline Switch 2924-SFP Plus. The Web interface is a network management system that allows you to configure, monitor, and troubleshoot...
  • 3Com 2916-SFP | User Guide - Page 4
    4 ABOUT THIS GUIDE
  • 3Com 2916-SFP | User Guide - Page 5
    ... with your product and the information there differs from the information in this guide, follow the instructions in the release notes. Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format (PDF) or HTML on the 3Com Web site:
  • 3Com 2916-SFP | User Guide - Page 6
    ... Intended Audience...5 Conventions ...5 Related Documentation ...5 1 GETTING STARTED About the Switch 2916 and 2924 ...12 Front Panel Detail...13 LED Status Indicators...14 System ...26 Default Users and Passwords...27 Upgrading Software using the CLI...27 2 USING THE 3COM WEB INTERFACE ...
  • 3Com 2916-SFP | User Guide - Page 7
    3 VIEWING BASIC SETTINGS Viewing Device Settings ...41 Viewing Color Keys ...43 4 MANAGING DEVICE SECURITY Configuring System Access...45 Defining RADIUS Clients...50 Defining Port-Based Authentication (802.1X)...52 Defining Access Control Lists ...57 Enabling Broadcast Storm...78 5 GENERAL ...
  • 3Com 2916-SFP | User Guide - Page 8
    ... 12 CONFIGURING SNMP Defining SNMP Communities ...136 Removing SNMP Communities...138 Defining SNMP Traps ...139 Removing SNMP Traps ...140 13 CONFIGURING QUALITY OF SERVICE Viewing CoS Settings...143 Defining CoS ...144 Viewing CoS to Queue ...145 Defining CoS to Queue ...145 Viewing DSCP to ...
  • 3Com 2916-SFP | User Guide - Page 9
    ......175 Viewing Cable Diagnostics ...178 A 3COM NETWORK MANAGEMENT 3Com Network Supervisor...181 3Com... 3Com Network Access Manager ...182 3Com Enterprise Management Suite ...183 Integration Kit with... Related Standards ...184 Environmental ...184 Physical ...184 Electrical...185 Switch Features ...185
  • 3Com 2916-SFP | User Guide - Page 10
    ... Pin Assignments ...191 D TROUBLESHOOTING Problem Management ...192 Troubleshooting Solutions ...192 E 3COM CLI REFERENCE GUIDE Getting Started with the Command Line Interface ... Commands ...196 F G GLOSSARY ...206 OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS Register Your Product ...
  • 3Com 2916-SFP | User Guide - Page 11
    1 GETTING STARTED This chapter contains introductory information about the 3Com® Baseline Switch 2916-SFP Plus and the Baseline Switch 2924-SFP Plus and how they can be used in your network. It covers summaries of hardware and software features and ...
  • 3Com 2916-SFP | User Guide - Page 12
    12 CHAPTER 1: GETTING STARTED About the Switch 2916 and 2924 The Switch 2916 and Switch 2924... auto-QoS and auto-voice VLAN. This makes the switches ideal for medium businesses and small enterprises seeking to build a secure converged network. The Switch 2916 and 2924 includes the following models:...
  • 3Com 2916-SFP | User Guide - Page 13
    ... or standalone mounting Mounting Front Panel Detail Figure 1 shows the front panel of the Switch 2916-SFP Plus 16-Port unit. Figure 1 Switch 2916 SFP 16-Port-front panel 1 4 5 8... 16 15 16 Figure 2 shows the front panel of the Switch 2924-SFP Plus 24-Port unit. Figure 2 ...
  • 3Com 2916-SFP | User Guide - Page 14
    14 CHAPTER 1: GETTING STARTED LED Status Indicators The 2916-SFP Plus 16-Port and 24-Port Ethernet switches provide LED indicators on the front... Table 2 describes the meanings of the LEDs. Table 2 Description on the LEDs of the Switch 2916 and 2924 LED Power Label Power Status...
  • 3Com 2916-SFP | User Guide - Page 15
    ... 2924 series switches Specification Physical dimensions (H×W×D) Weight Console port Gigabit Ethernet ports on the front panel Switch 2916-SFP Plus 16-Port 3CBLSG16 Switch 2924-SFP Plus 24-Port 3CBLSG24 44×440×173 mm (1.73 17.3 6.81 ...
  • 3Com 2916-SFP | User Guide - Page 16
    ... oder Instandhaltungsarbeiten verrichten, lesen Sie die 3Com Switch Family Safety and Regulatory ..., debe leer la informacion de seguridad facilitada en el 3Com Switch Family Safety and Regulatory ...žy zapoznać się z informacjami o bezpieczeństwie zawartymi w 3Com Switch Family Safety and Regulatory ...
  • 3Com 2916-SFP | User Guide - Page 17
    ... the management software to manage a switch. It covers the following topics: Methods of Managing a Switch Switch Setup Overview Manually set the IP Address using the ... SNMP Management V1 or V2 Default Users and Passwords Methods of Managing a Switch To manage your switch you...
  • 3Com 2916-SFP | User Guide - Page 18
    ... (SNMP) as shown in Figure 4. For example, you can use the 3Com Network Director software, available from the 3Com website. Figure 4 SNMP Management over the Network SNMP Network Management Workstation ... do to get your switch set up and ready for management when it is in its default state. The whole ...
  • 3Com 2916-SFP | User Guide - Page 19
    ... configured using DHCP See page 20 The switch uses its default IP information See page 20 ... 26 CAUTION: To protect your switch from unauthorized access, you must change the default password as soon as ... manage your switch. For more information on default users and changing default passwords, see "...
  • 3Com 2916-SFP | User Guide - Page 20
    ... IP Configuration The switch's IP configuration is determined automatically using DHCP, or manually using .... Automatic IP Configuration using DHCP By default the switch tries to configure its IP Information ... two bytes of its MAC address. Note: The switch's default IP address is listed on a label ...
  • 3Com 2916-SFP | User Guide - Page 21
    Using the Command Line Interface (CLI) 21
  • 3Com 2916-SFP | User Guide - Page 22
    ... emulation software for more information. 3 Power up the switch. The Power on Self Test (POST) will be performed. The Switch 2916 and 2924 takes approximately one minute to boot. Manually set the IP Address using the Console Port You are now ready to ...
  • 3Com 2916-SFP | User Guide - Page 23
    ... interface login sequence begins as soon as the switch detects a connection to its console port. When the process ... interface login sequence begins as soon as the switch detects a connection to its console port. 3 At the login ... user name and press Return. 4 At the password prompt, press Return.If you...
  • 3Com 2916-SFP | User Guide - Page 24
    ... the switch is ready for you to set up your chosen management method. See "Methods of Managing a Switch" on page 17. For more information about the CLI, refer to "3Com CLI Reference Guide" on page 195. If you do not intend to use the command line ...
  • 3Com 2916-SFP | User Guide - Page 25
    Setting Up Web Interface Management 25 Setting Up Web Interface Management This section describes how you can set up web interface management over the network. Prerequisites
  • 3Com 2916-SFP | User Guide - Page 26
    ... running the Simple Network Management Protocol (SNMP) to manage the switch. 3Com offers a range of network management applications to address networks of all sizes and complexity. See "3Com Network Management" on page 181. Be sure the management workstation is connected to the switch using a ...
  • 3Com 2916-SFP | User Guide - Page 27
    ... Users and Passwords 27 Default Users and Passwords If you intend to manage the switch or to change the default passwords, you must log in with a valid user name and password. The switch has one default user name. The default user is listed in Table 5....
  • 3Com 2916-SFP | User Guide - Page 28
    ... topics: Starting the 3Com Web Interface Understanding the 3Com Web Interface Saving the Configuration Resetting the Device Restoring Factory Defaults Logging Off the Device Starting the 3Com Web Interface This section includes the following ...
  • 3Com 2916-SFP | User Guide - Page 29
    ... information on starting the 3Com Web interface. To access the 3Com user interface: 1 Open an Internet browser. 2 Enter the device IP address in the ... with a User Name that is admin and a password that is blank. Passwords are case sensitive. 4 Click Login. The 3Com Web Interface Home Page opens:
  • 3Com 2916-SFP | User Guide - Page 30
    30 CHAPTER 2: USING THE 3COM WEB INTERFACE Figure 8 3Com Web Interface Home Page Understanding the 3Com Web Interface The 3Com Web Interface Home Page contains the following views:
  • 3Com 2916-SFP | User Guide - Page 31
    Understanding the 3Com Web Interface 31 Figure 9 Web Interface Components The following table lists the user interface components with their corresponding numbers: Table 6 Interface Components View 1 Tree View Description Tree View provides easy navigation through the configurable device ...
  • 3Com 2916-SFP | User Guide - Page 32
    ... of configuring device information, and include the following: Table 7 Button 3Com Web Interface Configuration Buttons Button Name Clear Logs ... to the device. Deletes configuration settings. Table 8 Tab 3Com Web Interface Information Tabs Tab Name Help Logout Description Opens the online help. ...
  • 3Com 2916-SFP | User Guide - Page 33
    Using Screen and Table Options 33 Using Screen and Table Options 3Com contains screens and tables for configuring devices. This section contains the following topics:... information: 1 Click Port > Administration > Summary. The Port Settings Summary Page opens: Figure 11 Port Settings Summary Page
  • 3Com 2916-SFP | User Guide - Page 34
    34 CHAPTER 2: USING THE 3COM WEB INTERFACE Adding Configuration Information User-defined information can be added to specific 3Com Web Interface pages, by opening the IP Setup Page. For example...1 Click Administration > IP Setup. The IP Setup Page opens: Figure 12 IP Setup Page 2 Enter...
  • 3Com 2916-SFP | User Guide - Page 35
    Using Screen and Table Options 35 Modifying Configuration Information 1 Click Administration > System Access > Modify. The System Access Modify Page opens: Figure 13 System Access Modify Page 2 Modify the fields. 3 Click Apply. The access fields are modified.
  • 3Com 2916-SFP | User Guide - Page 36
    36 CHAPTER 2: USING THE 3COM WEB INTERFACE Removing Configuration Information 1 Click Administration > System Access > Remove. The System Access Remove Page opens: Figure 14 System Access Remove Page 2 Select the user account to be ...
  • 3Com 2916-SFP | User Guide - Page 37
    ... tab allows the latest configuration to be saved to the flash memory. To save the device configuration: 1 Click Save Configuration. The Save Configuration Page opens: Figure 15 Save Configuration Page A message appears: The operation saves your configuration. Do you wish to continue? 2 Click OK. A ...
  • 3Com 2916-SFP | User Guide - Page 38
    38 CHAPTER 2: USING THE 3COM WEB INTERFACE Resetting the Device The Reset Page enables resetting the device from ... The device is reset, and a prompt for a user name and password is displayed. Figure 17 User Name and Password Page 4 Enter a user name and password to reconnect to the web interface.
  • 3Com 2916-SFP | User Guide - Page 39
    ... Defaults The Restore option appears on the Reset Page. The Restore option restores device factory defaults. To restore the device: 1 Click Administration > Reset. The Reset Page opens: Figure 18 Reset Page The Reset Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 40
    40 CHAPTER 2: USING THE 3COM WEB INTERFACE Logging Off the Device To log off the device: 1 Click Logout. The Logout Page opens. 2 The following message appears: 3 Click OK. The 3Com Web Interface Home Page closes.
  • 3Com 2916-SFP | User Guide - Page 41
    ..., and contact, the system MAC address, System Object ID, System Up Time, and software, boot, and hardware versions. To view the Device Summary Settings: 1 Click Device Summary. The Device Summary Page opens: Figure 19 Device Summary Page The Device Summary Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 42
    42 CHAPTER 3: VIEWING BASIC SETTINGS
  • 3Com 2916-SFP | User Guide - Page 43
    Viewing Color Keys 43 Viewing Color Keys The Color Key Page provides information about the RJ45 or SFP port status. To view color keys: 1 Click Device Summary > Color Key. The Color Key Page opens: Figure 20 Color Key Page The Color Key Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 44
    4 MANAGING DEVICE SECURITY The Management Security section provides information for configuring system access, defining RADIUS authentication, port-based authentication and defining access control lists. This section includes the following topics: Configuring System Access Defining RADIUS ...
  • 3Com 2916-SFP | User Guide - Page 45
    ...and allows 10 users to be created and access the switch concurrently. Access levels provide read or ...write permissions to users for configuring the switch. Login information is managed in the local database. A unique password is required of each user. Two access levels exist on the 3Com Web Interface...
  • 3Com 2916-SFP | User Guide - Page 46
    ... Page displays the current users and access levels defined on the device. To view System Access settings: 1 Click Administration > System Access > Summary. The System Access Summary Page opens: Figure 21 System Access Summary Page The System Access Summary Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 47
    ...Access The System Access Setup Page allows network administrators to define users, passwords, and access levels for users using the System Access Interface. ... Click Administration > System Access > Setup. The System Access Setup Page opens: Figure 22 System Access Setup Page The System Access Setup...
  • 3Com 2916-SFP | User Guide - Page 48
    ... The System Access Modify Page allows network administrators to modify users, passwords, and access levels using the System Access Interface. Monitor users .... 1 Click Administration > System Access > Modify. The System Access Modify Page opens: Figure 23 System Access Modify Page The System Access ...
  • 3Com 2916-SFP | User Guide - Page 49
    ... to remove users from the System Access Interface. Monitor users have no access to this page. To remove users: 1 Click Administration > System Access > Remove. The System Access Remove Page opens: Figure 24 System Access Remove Page The System Access Remove Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 50
    ... provide a centralized authentication method for 802.1X. The default parameters are user-defined, and are applied to newly defined RADIUS servers. If new default parameters are not defined, the system default values are applied to newly defined RADIUS servers. Monitor users have no access...
  • 3Com 2916-SFP | User Guide - Page 51
    Defining RADIUS Clients 51
  • 3Com 2916-SFP | User Guide - Page 52
    52 CHAPTER 4: MANAGING DEVICE SECURITY Defining Port-Based Authentication (802.1X) Port-based authentication authenticates users on a per-port basis via an external server. Only authenticated and approved system users can transmit and receive data. Ports are authenticated via the RADIUS server ...
  • 3Com 2916-SFP | User Guide - Page 53
    ... The 802.1X Summary Page allows the network administrator to view port-based authentication settings. To view Port-based Authentication: 1 Click Security > 802.1X > Summary. The 802.1X Summary Page opens: Figure 26 802.1X Summary Page The 802.1X Summary Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 54
    54 CHAPTER 4: MANAGING DEVICE SECURITY
  • 3Com 2916-SFP | User Guide - Page 55
    Defining Port-Based Authentication (802.1X) 55 To configure 802.1X Settings: 1 Click Security > 802.1X > Setup. The 802.1X Setup Page opens: Figure 27 802.1X Setup Page The 802.1X Setup Page contains the following fields: 802.1X Global Settings
  • 3Com 2916-SFP | User Guide - Page 56
    56 CHAPTER 4: MANAGING DEVICE SECURITY access. For example, a network administrator can use Guest VLANs to deny network access via port-based authentication, but grant Internet access to unauthorized users.
  • 3Com 2916-SFP | User Guide - Page 57
    Defining Access Control Lists 57 Defining Access Control Lists Access Control Lists (ACL) allow network managers to define classification actions and rules for specific ingress ports. Packets entering an ingress port, with an active ACL are either admitted or denied entry. If they are denied ...
  • 3Com 2916-SFP | User Guide - Page 58
    ... configured on the device. Ports are reactivated from the Interface Configuration Page. To view MAC Based ACLs: 1 Click Device > ACL > MAC Based ACL > Summary. The MAC Based ACL Summary Page opens: Figure 28 MAC Based ACL Summary Page The MAC Based ACL Summary Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 59
    Defining Access Control Lists 59
  • 3Com 2916-SFP | User Guide - Page 60
    60 CHAPTER 4: MANAGING DEVICE SECURITY Add Rules to ACL
  • 3Com 2916-SFP | User Guide - Page 61
    Defining Access Control Lists 61 packet is assigned rate limiting restrictions for forwarding. The options are as follows:
  • 3Com 2916-SFP | User Guide - Page 62
    62 CHAPTER 4: MANAGING DEVICE SECURITY Modify
  • 3Com 2916-SFP | User Guide - Page 63
    Defining Access Control Lists 63
  • 3Com 2916-SFP | User Guide - Page 64
    64 CHAPTER 4: MANAGING DEVICE SECURITY
  • 3Com 2916-SFP | User Guide - Page 65
    ... Based ACL Summary Page displays information regarding IP Based ACLs configured on the device. To view IP Based ACLs: 1 Click Device > ACL > IP Based ACL > Summary. The IP Based ACL Summary Page opens: Figure 32 IP Based ACL Summary Page The IP Based ACL Summary Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 66
    66 CHAPTER 4: MANAGING DEVICE SECURITY
  • 3Com 2916-SFP | User Guide - Page 67
    Defining Access Control Lists 67 To configure IP Based Access Control Lists: 1 Click Device > ACL > IP Based ACL > Setup. The IP Based ACL Setup Page opens: Figure 33 IP Based ACL Setup Page The IP Based ACL Setup Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 68
    68 CHAPTER 4: MANAGING DEVICE SECURITY
  • 3Com 2916-SFP | User Guide - Page 69
    Defining Access Control Lists 69
  • 3Com 2916-SFP | User Guide - Page 70
    70 CHAPTER 4: MANAGING DEVICE SECURITY
  • 3Com 2916-SFP | User Guide - Page 71
    Defining Access Control Lists 71 The IP Based ACL Modify Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 72
    72 CHAPTER 4: MANAGING DEVICE SECURITY For each TCP flag, the possible field values are:
  • 3Com 2916-SFP | User Guide - Page 73
    Defining Access Control Lists 73
  • 3Com 2916-SFP | User Guide - Page 74
    74 CHAPTER 4: MANAGING DEVICE SECURITY The IP Based ACL Remove Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 75
    Defining Access Control Lists 75
  • 3Com 2916-SFP | User Guide - Page 76
    ... to bind specific ports to MAC or IP Based ACLs. The monitor user has no access to this page. To define ACL Binding: 1 Click Device > ACL > ACL Binding > Summary. The ACL Binding Summary Page opens: Figure 37 ACL Binding Setup Page The ACL Binding Setup Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 77
    ... to remove user-defined ACLs from a selected interface. Monitor users have no access to this page. To remove ACL Binding: 1 Click Device > ACL > ACL Binding > Remove. The ACL Binding Remove Page opens: Figure 38 ACL Binding Remove Page The ACL Binding Remove Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 78
    ...port, and discards the frames when the rate exceeds a user-defined rate. Packet threshold is ignored if Broadcast Storm Control is Disabled. Monitor users have no access to this page. 1 Click Device > Broadcast Storm > Setup. The Broadcast Storm Setup Page opens: Figure 39 Broadcast Storm Setup Page
  • 3Com 2916-SFP | User Guide - Page 79
    Enabling Broadcast Storm 79 The Broadcast Storm Setup Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 80
    5 GENERAL SYSTEM INFORMATION This section contains information about configuring general system parameters, and includes the following:
  • 3Com 2916-SFP | User Guide - Page 81
    Viewing System Description 81 The Device View Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 82
    ... system name, location, and contact information for the device. Monitor users have read-only permissions on this page. To configure the System Name: 1 Click Administration > System Name. The System Name Page opens: Figure 41 System Name Page The System Name Page includes the following fields:
  • 3Com 2916-SFP | User Guide - Page 83
    ... users have limited permissions on this page. Country specific times need to be added manually. To configure the System Time: 1 Click Administration > System Time. The System Time Setup Page opens: Figure 42 System Time Setup Page The System Time Setup Page ...
  • 3Com 2916-SFP | User Guide - Page 84
    84 CHAPTER 5: GENERAL SYSTEM INFORMATION
  • 3Com 2916-SFP | User Guide - Page 85
    6 CONFIGURING PORTS This section contains information for configuring Port Settings, and includes the following sections:
  • 3Com 2916-SFP | User Guide - Page 86
    86 CHAPTER 6: CONFIGURING PORTS To view Port Settings: 1 Click Port > Administration > Summary. The Port Administration Summary Page opens: Figure 43 Port Administration Summary Page The Port Administration Summary Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 87
    Viewing Port Settings 87
  • 3Com 2916-SFP | User Guide - Page 88
    ... port parameters for specific ports. Monitor users have no access to this page. To configure Port Settings: 1 Click Port > Administration > Setup. The Port Administration Setup Page opens: Figure 44 Port Administration Setup Page The Port Administration Setup Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 89
    Defining Port Settings 89 10 - Indicates the port is currently operating at 10 Mbps. 100 - Indicates the port is currently operating at 100 Mbps. 1000 - Indicates the port is currently operating at 1000 Mbps. Auto - Use to automatically configure the port. No Change - Retains the current port...
  • 3Com 2916-SFP | User Guide - Page 90
    ... Details The Port Detail Page displays current port parameters for specific ports. Monitor users have no access to this page. To view Port Details: 1 Click Port > Administration > Detail. The Port Detail Page opens: Figure 45 Port Detail Page The Port Detail Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 91
    Viewing Port Details 91
  • 3Com 2916-SFP | User Guide - Page 92
    7 AGGREGATING PORTS This section contains information for configuring Link Aggregation, which optimizes port usage by linking a group of ports together to form a single LAG. A Link Aggregated Group (LAG) aggregates ports or VLANs into a single virtual port or VLAN. Aggregating ports multiplies ...
  • 3Com 2916-SFP | User Guide - Page 93
    ... between the devices, increases port flexibility, and provides link redundancy. To view Link Aggregation: 1 Click Ports > Link Aggregation > Summary. The Link Aggregation Summary Page opens: Figure 46 Link Aggregation Summary Page The Link Aggregation Summary Page includes the following fields:
  • 3Com 2916-SFP | User Guide - Page 94
    94 CHAPTER 7: AGGREGATING PORTS 1 Click Ports > Link Aggregation > Create. The Link Aggregation Create Page opens: Figure 47 Link Aggregation Create Page The Link Aggregation Create Page includes the following fields:
  • 3Com 2916-SFP | User Guide - Page 95
    ..., and provides link redundancy. Monitor users have no access to this page. To modify Link Aggregation: 1 Click Ports > Link Aggregation > Modify. The Link Aggregation Modify Page opens: Figure 48 Link Aggregation Modify Page The Link Aggregation Modify Page includes the following fields:
  • 3Com 2916-SFP | User Guide - Page 96
    96 CHAPTER 7: AGGREGATING PORTS Summary
  • 3Com 2916-SFP | User Guide - Page 97
    Viewing LACP 97 The Link Aggregation Remove Page includes the following fields:
  • 3Com 2916-SFP | User Guide - Page 98
    98 CHAPTER 7: AGGREGATING PORTS The LACP Summary Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 99
    Modifying LACP 99 The LACP Modify Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 100
    ...network changes, additions, and moves to be implemented. VLANs restrict traffic within the VLAN. VLAN1 is the management VLAN. You can only manage the switch through a port that is an untagged member of VLAN1. VLANs have no minimum number of ports, and can be created per unit, per device, or through...
  • 3Com 2916-SFP | User Guide - Page 101
    ... VLAN information between VLAN groups. VLAN1is the default VLAN. All ports are untagged members of VLAN1 by default. If any port becomes an untagged member of a different VLAN, then the ... can only be an untagged member of one VLAN. By default it is untagged member of VLAN1. If its untagged ...
  • 3Com 2916-SFP | User Guide - Page 102
    ... 8: CONFIGURING VLANS Viewing VLAN Details The VLAN Detail Page provides information and global parameters on VLANS configured on the system. 1 Click Device > VLAN > VLAN Detail. The VLAN Detail Page opens: Figure 52 VLAN Detail Page The VLAN Detail Page contains the following information:
  • 3Com 2916-SFP | User Guide - Page 103
    ...Details 103 Viewing VLAN Port Details The VLAN Port Detail Page provides displays VLAN configured ports. To view VLAN Port details: 1 Click Device > VLAN > Port Detail. The VLAN Port Detail Page opens: Figure 53 VLAN Port Detail Page The VLAN Port Detail Page contains the following information:
  • 3Com 2916-SFP | User Guide - Page 104
    ... VLANs The VLAN Setup Page allows the network administrator to create user-defined VLANs. The monitor users have no access to this page. To create VLANs: 1 Click Device > VLAN > Setup. The VLAN Setup Page opens: Figure 54 VLAN Setup Page The VLAN Setup Page contains the following fields: Create
  • 3Com 2916-SFP | User Guide - Page 105
    ... VLAN Page allows the network manager to rename VLANs and change VLAN membership. The monitor users have no access to this page. To edit VLAN Settings: 1 Click Device > VLAN > Modify VLAN. The Modify VLAN Page opens: Figure 55 Modify VLAN Page The Modify VLAN Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 106
    106 CHAPTER 8: CONFIGURING VLANS
  • 3Com 2916-SFP | User Guide - Page 107
    ...Settings The Modify VLAN Port Page allows the network manager to modify port VLAN settings. The monitor users have no access to this page. 1 Click Device > VLAN > Modify Port. The Modify VLAN Port Page opens: Figure 56 Modify VLAN Port Page The Modify VLAN Port Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 108
    ... the device is updated. Removing VLANs The VLAN Remove Page allows the network administrator to remove VLANs. The monitor users have no access to this page. 1 Click Device > VLAN > Remove. The VLAN Remove Page opens: Figure 57 VLAN Remove Page The VLAN Remove Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 109
    9 CONFIGURING IP AND MAC ADDRESS INFORMATION This section contains information for defining IP interfaces, and includes the following sections:
  • 3Com 2916-SFP | User Guide - Page 110
    110 CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION The IP Setup Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 111
    ... 111 Viewing ARP Settings The ARP Settings Summary Page displays the current ARP settings. To view ARP Settings: 1 Click Administration > ARP Settings > Summary. The ARP Settings Summary Page opens: Figure 59 ARP Settings Summary Page The ARP Settings Summary Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 112
    ... to define ARP parameters for specific interfaces. The monitor users have no access to this page. To configure ARP entries: 1 Click Administration > ARP Settings > Setup. The ARP Settings Setup Page opens: Figure 60 ARP Settings Setup Page The ARP Settings Setup Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 113
    ... ARP entries from the ARP Table. The monitor user has no access to this page. To remove ARP entries: 1 Click Administration > IP Addressing > ARP Settings > Remove. The ARP Settings Remove Page opens: Figure 61 ARP Settings Remove Page The ARP Settings Remove Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 114
    114 CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION
  • 3Com 2916-SFP | User Guide - Page 115
    ... Address Table Summary Page displays the current MAC address table configuration. To view Address Table settings: 1 Click Monitoring > Address Tables > Summary. The Address Table Summary Page opens: Figure 62 Address Table Summary Page The Address Table Summary Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 116
    116 CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION
  • 3Com 2916-SFP | User Guide - Page 117
    Configuring Address Tables 117
  • 3Com 2916-SFP | User Guide - Page 118
    118 CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION The Address Table Add Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 119
    ... Table before they are timed out if no traffic from the source is detected. The default value is 300 seconds. The monitor users have no access to this page. ...: 1 Click Monitoring > Address Tables > Setup. The Address Table Setup Page opens: Figure 65 Address Table Setup Page The Address Table Setup ...
  • 3Com 2916-SFP | User Guide - Page 120
    ... Page allows the network manager to remove ports from the address tables. The monitor users have no access to this page. To remove ports: 1 Click Monitoring > Address Tables > Port Remove. The Port Remove Page opens: Figure 66 Port Remove Page The Port Remove Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 121
    Configuring Address Tables 121
  • 3Com 2916-SFP | User Guide - Page 122
    122 CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION
  • 3Com 2916-SFP | User Guide - Page 123
    10 Introduction CONFIGURING IGMP SNOOPING This section contains information for configuring IGMP Snooping. When IGMP Snooping is enabled globally, all IGMP packets are forwarded to the CPU. The CPU analyzes the incoming packets and determines:
  • 3Com 2916-SFP | User Guide - Page 124
    ... Setup Page allows network managers to define IGMP Snooping parameters. The monitor users have read-only access to this page. 1 Click Device > IGMP Snooping > Setup. The IGMP Snooping Setup Page opens: Figure 68 IGMP Snooping Setup Page The IGMP Snooping Setup Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 125
    Defining IGMP Snooping 125 2 Select Enable IGMP Snooping. 3 Define the fields. 4 Click Apply. IGMP Snooping is enabled, and the device is updated.
  • 3Com 2916-SFP | User Guide - Page 126
    ...prevents Layer 2 forwarding loops in a general network topology, convergence can take between 30-60 seconds. Rapid Spanning Tree Protocol (RSTP) detects and uses network topologies that allow a faster STP convergence without creating forwarding loops. The device supports the following STP versions:
  • 3Com 2916-SFP | User Guide - Page 127
    ... Spanning Tree Summary Page displays the current Spanning Tree parameters for all ports. To view Spanning Tree Summary: 1 Click Device > Spanning Tree > Summary. The Spanning Tree Summary Page opens: Figure 69 Spanning Tree Summary Page The Spanning Tree Summary Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 128
    128 CHAPTER 11: CONFIGURING SPANNING TREE
  • 3Com 2916-SFP | User Guide - Page 129
    Viewing Spanning Tree 129
  • 3Com 2916-SFP | User Guide - Page 130
    ... interfaces using the Spanning Tree Setup Page. The monitor user has no access to this page. To configure Spanning Tree Setup: 1 Click Device > Spanning Tree > Setup. The Spanning Tree Setup Page opens: Figure 70 Spanning Tree Setup Page The Spanning Tree Setup Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 131
    Defining Spanning Tree 131 Global Setting
  • 3Com 2916-SFP | User Guide - Page 132
    132 CHAPTER 11: CONFIGURING SPANNING TREE Designated Root
  • 3Com 2916-SFP | User Guide - Page 133
    ... information for modifying Spanning Tree parameters. Monitor users have no access to this page. To modify Spanning Tree: 1 Click Device > Spanning Tree > Modify. The Spanning Tree Modify Page opens: Figure 71 Spanning Tree Modify Page The Spanning Tree Modify Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 134
    134 CHAPTER 11: CONFIGURING SPANNING TREE
  • 3Com 2916-SFP | User Guide - Page 135
    12 CONFIGURING SNMP Simple Network Management Protocol (SNMP) provides a method for managing network devices. The device supports the following SNMP versions:
  • 3Com 2916-SFP | User Guide - Page 136
    ... only for SNMP v1 and SNMP v2c. Monitor users have no access to this page. To define SNMP communities: 1 Click Administration > SNMP > Communities > Setup. The SNMP Communities Setup Page opens: Figure 72 SNMP Communities Setup Page The SNMP Communities Setup Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 137
    Defining SNMP Communities 137 SNMP Management
  • 3Com 2916-SFP | User Guide - Page 138
    ... to remove SNMP Communities. Monitor users have no access to this page. To remove SNMP communities: 1 Click Administration > SNMP > Communities > Remove. The SNMP Communities Remove Page opens: Figure 73 SNMP Communities Remove Page The SNMP Communities Remove Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 139
    Defining SNMP Traps 139
  • 3Com 2916-SFP | User Guide - Page 140
    140 CHAPTER 12: CONFIGURING SNMP The SNMP Traps Setup Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 141
    Removing SNMP Traps 141 The SNMP Traps Remove Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 142
    13 CONFIGURING QUALITY OF SERVICE Quality of Service (QoS) provides the ability to implement QoS and priority queuing within a network. For example, certain types of traffic that require minimal delay, such as Voice, Video, and real-time traffic can be assigned a high priority queue, while other ...
  • 3Com 2916-SFP | User Guide - Page 143
    Viewing CoS Settings 143 Viewing CoS Settings The CoS Summary Page displays CoS default settings assigned to ports. To view CoS Settings: 1 Click Device > QoS > CoS > Summary. The CoS Summary Page opens: Figure 76 CoS Summary Page The CoS Summary Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 144
    144 CHAPTER 13: CONFIGURING QUALITY OF SERVICE Defining CoS The CoS Setup Page contains information for enabling QoS globally. Monitor ...To configure CoS Settings: 1 Click Device > QoS > CoS Setup. The CoS Setup Page opens: Figure 77 CoS Setup Page The CoS Setup Page contains the following fields:...
  • 3Com 2916-SFP | User Guide - Page 145
    ... Summary Page contains a table that displays the CoS values mapped to traffic queues. To view CoS Values to Queues: 1 Click Device > QoS > CoS to Queue > Summary. The CoS to Queue Summary Page opens: Figure 78 CoS to Queue Summary Page The CoS to Queue Summary Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 146
    146 CHAPTER 13: CONFIGURING QUALITY OF SERVICE To configure CoS values to queues: 1 Click Policy > QoS General > CoS to Queue > Setup. The CoS to Queue Setup Page opens: Figure 79 CoS to Queue Setup Page The CoS to Queue Setup Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 147
    ... queues. For example, a packet with a DSCP tag value of 3 can be assigned to queue 4. To view the DSCP Queue: 1 Click Device > QoS > DSCP to Queue > Summary. The DSCP to Queue Summary Page opens: Figure 80 DSCP to Queue Summary Page The DSCP to Queue Summary Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 148
    148 CHAPTER 13: CONFIGURING QUALITY OF SERVICE Configuring DSCP Queue The DSCP to Queue Setup Page contains fields for mapping DSCP settings ...1 Click Device > QoS > DSCP to Queue > Setup. The DSCP to Queue Setup Page opens: Figure 81 DSCP to Queue Setup Page The DSCP to Queue Setup Page contains ...
  • 3Com 2916-SFP | User Guide - Page 149
    ... contains information for enabling trust on configured interfaces. The original device QoS default settings can be reassigned to the interface in the Trust Setup Page. To enable ... 1 Click Device > QoS > Trust Setup. The Trust Setup Page opens: Figure 82 Trust Setup Page The Trust Setup Page contains...
  • 3Com 2916-SFP | User Guide - Page 150
    150 CHAPTER 13: CONFIGURING QUALITY OF SERVICE Viewing Bandwidth Settings The Bandwidth Summary Page displays bandwidth settings for a ... Settings: 1 Click Device > QoS > Bandwidth > Summary. The Bandwidth Summary Page opens: Figure 83 Bandwidth Summary Page The Bandwidth Summary Page contains the...
  • 3Com 2916-SFP | User Guide - Page 151
    Defining Bandwidth Settings 151 Egress Shaping Rates
  • 3Com 2916-SFP | User Guide - Page 152
    152 CHAPTER 13: CONFIGURING QUALITY OF SERVICE The Bandwidth Setup Page contains the following fields: Ingress Rate Limit
  • 3Com 2916-SFP | User Guide - Page 153
    ... Defining Voice VLAN Voice VLAN allows network administrators enhance VoIP service by configuring ports to carry IP voice traffic from IP phones on ... voice does not deteriorate if the IP traffic is received unevenly. The system supports one Voice VLAN. There are two operational modes for IP Phones:...
  • 3Com 2916-SFP | User Guide - Page 154
    154 CHAPTER 13: CONFIGURING QUALITY OF SERVICE Viewing Voice VLANs The Voice VLAN Summary Page contains information about the Voice VLAN ... Device > QoS > VoIP > Traffic Setting > Summary. The Voice VLAN Summary Page opens: Figure 85 Voice VLAN Summary Page The Voice VLAN Summary Page contains the...
  • 3Com 2916-SFP | User Guide - Page 155
    Defining Voice VLAN 155
  • 3Com 2916-SFP | User Guide - Page 156
    156 CHAPTER 13: CONFIGURING QUALITY OF SERVICE
  • 3Com 2916-SFP | User Guide - Page 157
    Defining Voice VLAN 157
  • 3Com 2916-SFP | User Guide - Page 158
    158 CHAPTER 13: CONFIGURING QUALITY OF SERVICE Viewing Voice VLAN Port Definitions The Voice VLAN Port Details Page displays the Voice VLAN port settings for specific ports. The Voice VLAN Port Details Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 159
    ... Voice VLAN 159 To view Voice VLAN Port Detail Settings: 1 Click Device > QoS > VoIP > Traffic Setting > Port Detail. The Voice VLAN Port Details Page opens: Figure 88 Voice VLAN Port Details Page 2 Click a port in the Zoom View. The port is highlighted blue, and the Voice VLAN port settings are ...
  • 3Com 2916-SFP | User Guide - Page 160
    160 CHAPTER 13: CONFIGURING QUALITY OF SERVICE To view VLAN Settings: 1 Click Device > QoS > VoIP Traffic Setting > OUI Summary. The Voice VLAN OUI Summary Page opens: Figure 89 Voice VLAN OUI Summary Page The Voice VLAN OUI Summary Page contains the following fields: OUI List
  • 3Com 2916-SFP | User Guide - Page 161
    ... from the specific IP phone with a listed OUI, is forwarded on the voice VLAN. To modify OUI Settings: 1 Click Device > QoS > VoIP Traffic Setting > OUI Modify. The Voice VLAN OUI Modify Page opens: Figure 90 Voice VLAN OUI Modify Page The Voice VLAN OUI Modify Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 162
    ... managing configuration files and installing and backing up switch firmware, including the following topics: Backing Up System Files Restoring Files Upgrade the Firmware Image Activating Image Files Configuration File Structure The configuration file structure consists of ...
  • 3Com 2916-SFP | User Guide - Page 163
    ...monitor users have no access to this page. 1 To keep your currently running configuration, click the Save Configuration item on the left side of the page. 2 Click Administration > Backup & Restore > Backup. The Backup Page opens: Figure 91 Backup Page The Backup Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 164
    ...: MANAGING SYSTEM FILES Restoring Files The Restore Page restores files from the TFTP or HTTP server. The monitor users have no access to this page. 1 Click Administration > Backup & Restore > Restore. The Restore Page opens: Figure 92 Restore Page The Restore Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 165
    Upgrade the Firmware Image 165 Upgrade the Firmware Image The Restore Image Page permits network managers to upgrade the switch firmware.
  • 3Com 2916-SFP | User Guide - Page 166
    ...Device Boot is downloaded onto the device through the CLI. To upload System files: 1 Click Administration > Firmware Upgrade > Active Image. The Active Image Page opens: Figure 94 Active Image Page The Active Image Page contains the following fields...
  • 3Com 2916-SFP | User Guide - Page 167
    ... occurred. The system is functioning properly, but a system notice has occurred. Provides device information. Provides detailed information about the log. If a Debug error occurs, contact Customer Tech Support. Highest (0) The system is not functioning. This section includes the following topics:
  • 3Com 2916-SFP | User Guide - Page 168
    ...(Cache). The monitor user has read-only access to this feature. To view Logging: 1 Click Administration > Logging > Display. The Logging Display Page opens: Figure 95 Logging Display Page The Logging Display Page contains the following fields and buttons: Save Preview - Saves the displayed Log ...
  • 3Com 2916-SFP | User Guide - Page 169
    ... are listed from the highest severity to the lowest severity level. The monitor users have no access to this page. To define Log Parameters: 1 Click Administration > Logging > Setup. The Logging Setup Page opens: Figure 96 Logging Setup Page The Logging Setup Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 170
    170 CHAPTER 15: MANAGING SYSTEM LOGS
  • 3Com 2916-SFP | User Guide - Page 171
    Configuring Logging 171
  • 3Com 2916-SFP | User Guide - Page 172
    ... for viewing information about device utilization and errors that occurred on the device. To view RMON statistics: 1 Click Ports > Statistics > Summary. The Port Statistics Summary Page opens: Figure 97 Port Statistics Summary Page The Port Statistics Summary Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 173
    Viewing Port Statistics 173
  • 3Com 2916-SFP | User Guide - Page 174
    174 CHAPTER 16: VIEWING STATISTICS octet (Alignment Error) number. The field range to detect jabbers is between 20 ms and 150 ms.
  • 3Com 2916-SFP | User Guide - Page 175
    17 MANAGING DEVICE DIAGNOSTICS This section contains information for viewing and configuring port and cable diagnostics, and includes the following topics:
  • 3Com 2916-SFP | User Guide - Page 176
    ... Mirroring The Port Mirroring Setup Page contains parameters for configuring port mirroring. To enable port mirroring: 1 Click Monitoring > Port Mirroring > Setup. The Port Mirroring Setup Page opens: Figure 98 Port Mirroring Setup Page The Port Mirroring Setup Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 177
    Configuring Port Mirroring 177
  • 3Com 2916-SFP | User Guide - Page 178
    178 CHAPTER 17: MANAGING DEVICE DIAGNOSTICS The Port Mirroring Remove Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 179
    Viewing Cable Diagnostics 179 The Cable Diagnostics Summary Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 180
    180 CHAPTER 17: MANAGING DEVICE DIAGNOSTICS To test cables: 1 Click Monitoring > Cable Diagnostics > Diagnostics. The Diagnostics Page opens: Figure 101 Diagnostics Page The Diagnostics Page contains the following fields:
  • 3Com 2916-SFP | User Guide - Page 181
    ... 3Com Network Access Manager 3Com Enterprise Management Suite Integration Kit with HP OpenView Network Node Manager Details of these and other 3Com Network Management Solutions can be found at ... all levels of experience. To find out more about 3Com Network Supervisor and to download a trial version,...
  • 3Com 2916-SFP | User Guide - Page 182
    .... It simplifies tasks such as backup and restore for 3Com device configurations as well as firmware and agent upgrades. 3ND makes it easy ... 3Com Network Access Manager leverages the advanced desktop security capabilities of 3Com switches and wireless access points (using IEEE 802...
  • 3Com 2916-SFP | User Guide - Page 183
    3Com Enterprise Management Suite 183 3Com Enterprise Management Suite 3Com Enterprise Management Suite (EMS) delivers comprehensive management that is flexible and scalable enough to meet the needs of the largest enterprises and advanced networks. This solution provides particularly powerful ...
  • 3Com 2916-SFP | User Guide - Page 184
    B Related Standards DEVICE SPECIFICATIONS AND FEATURES The 3Com® Baseline Switch 2916-SFP Plus and Baseline Switch 2924-SFP Plus... 0-95% (non-condensing) EN 60068 (IEC 68) Physical Width Depth Height Weight Switch 2916-SFP Plus Switch 2924-SFP Plus Mounting 440 mm (17.3 in.) 173 mm cm (6.81 in.)...
  • 3Com 2916-SFP | User Guide - Page 185
    ... Line Frequency Input Voltage Current Rating Switch 2916-SFP Plus Switch 2924-... Maximum Power Consumption Switch 2916-SFP Plus Switch 2924-SFP Plus Max Heat Dissipation Switch 2916-SFP Plus Switch 2924-SFP Plus 50/... the following features: Table 11 Features of the Baseline Switch 2916-SFP Plus and ...
  • 3Com 2916-SFP | User Guide - Page 186
    186 APPENDIX B: DEVICE SPECIFICATIONS AND FEATURES Table 11 Features of the Baseline Switch 2916-SFP Plus and Switch 2924-SFP Plus (continued) Feature Address Resolution Protocol (ARP) Description ARP converts between IP addresses and MAC (i.e., hardware) ...
  • 3Com 2916-SFP | User Guide - Page 187
    Switch Features 187 Table 11 Features of the Baseline Switch 2916-SFP Plus and Switch 2924-SFP Plus (continued) Feature MAC Address Capacity Support MAC Multicast Support Description The device supports up to 8K MAC addresses. The device ...
  • 3Com 2916-SFP | User Guide - Page 188
    188 APPENDIX B: DEVICE SPECIFICATIONS AND FEATURES Table 11 Features of the Baseline Switch 2916-SFP Plus and Switch 2924-SFP Plus (continued) Feature SNMP Alarms and Trap Logs SNMP Versions 1 and 2 Spanning Tree Protocol Description The system logs events ...
  • 3Com 2916-SFP | User Guide - Page 189
    C Console Cable PIN-OUTS A Console cable is an 8-conductor RJ45-to-DB9 cable. One end of the cable has an RJ-45 plug for connecting to the switch's Console port, and the other end has a DB-9 socket connector for connecting to the serial port on the terminal, as shown in Figure 102. Figure 102 ...
  • 3Com 2916-SFP | User Guide - Page 190
    ... Null Modem Cable RJ-45 to RS-232 25-pin Switch 5500 Cable connector: RJ-45 female Screen TxD ...required for handshake PC-AT Serial Cable RJ-45 to 9-pin Switch 5500 Cable connector: RJ-45 female Screen DTR ... Modem Cable RJ-45 to RS-232 25-pin Switch 5500 Cable connector: RJ-45 female Screen TxD ...
  • 3Com 2916-SFP | User Guide - Page 191
    Ethernet Port RJ-45 Pin Assignments 191 Ethernet Port RJ-45 Pin Assignments 10/100 and 1000BASE-T RJ-45 connections. Table 10 Pin assignments Pin Number Ports configured as MDI 1 2 3 4 5 6 7 8 Transmit Data + Transmit Data − Receive Data + Not assigned Not assigned Receive Data − Not ...
  • 3Com 2916-SFP | User Guide - Page 192
    D TROUBLESHOOTING This section describes problems that may arise when installing the and how to resolve these issue. This section includes the following topics:
  • 3Com 2916-SFP | User Guide - Page 193
    ... 12 Troubleshooting Solutions Problems Possible Cause Solution Verify that the power cord is properly connected to the switch, and to the mains supply. Be sure the terminal emulator program is..., etc. Be sure the switch has a valid IP address, subnet mask and default gateway configured ...
  • 3Com 2916-SFP | User Guide - Page 194
    194 APPENDIX D: TROUBLESHOOTING Table 12 Troubleshooting Solutions (continued) Problems Device is in a reboot loop Possible Cause Software fault Solution Download and ... LED or zoom screen in the NMS application, and change setting if necessary Lost Password Contact 3Com
  • 3Com 2916-SFP | User Guide - Page 195
    E 3COM CLI REFERENCE GUIDE This section describes using the Command Line Interface (CLI) to ...1 Connect the RJ-45 cable to the Console port of the switch to the serial port of the terminal or computer running the ... Login process requires a User Name and Password. The default user name for first time ...
  • 3Com 2916-SFP | User Guide - Page 196
    196 APPENDIX E: 3COM CLI REFERENCE GUIDE 3 Press Enter. The Password prompt displays: Password: The Login information is verified, and displays... Commands This Command section contains the following commands: ? Ping Summary ipSetup Upgrade Initialize Reboot Logout Password
  • 3Com 2916-SFP | User Guide - Page 197
    ... presented for the ? command: Select menu option#? initialize ipsetup logout ping reboot summary upgrade Reset the device to factory default and reboot. Configures IP address Logout from this session. Send echo messages Power cycles the device...
  • 3Com 2916-SFP | User Guide - Page 198
    198 APPENDIX E: 3COM CLI REFERENCE GUIDE Ping The Ping command sends ICMP echo request packets to another node on the network. Syntax ping [IP address | URL| hostname] Parameters
  • 3Com 2916-SFP | User Guide - Page 199
    ... and software versions running on the device: Select menu option: IP Method: IP address: Subnet mask: Default gateway: Runtime version: Bootcode version: Summary Manual 1.2.3.4 255.255.255.0 4.3.2.1 example1.ext example2.ext
  • 3Com 2916-SFP | User Guide - Page 200
    200 APPENDIX E: 3COM CLI REFERENCE GUIDE ipSetup The ipSetup command allows the user to define an IP address on the device either manually or via a DHCP server. Syntax ipSetup [dhcp| ip-address mask [default-gateway ip-address]] Parameters
  • 3Com 2916-SFP | User Guide - Page 201
    CLI Commands 201 Upgrade The Upgrade command starts a system download and thereby allowing a system upgrade. Syntax upgrade [TFTP Server IP Address|Destination File Name| File Type] Parameters
  • 3Com 2916-SFP | User Guide - Page 202
    202 APPENDIX E: 3COM CLI REFERENCE GUIDE Initialize The Initialize command resets the device configuration to factory defaults, including the IP configuration. ... initializes the system to factory defaults and causes a reset. Do you wish to continue (Y,N)[N]: N Select menu option#
  • 3Com 2916-SFP | User Guide - Page 203
    ... Commands 203 Reboot The Reboot command simulates a power cycle of the device. Syntax reboot Default Configuration This command has no default configuration. User Guidelines There are no user guidelines for this command. Example Select menu option: reboot Are ...
  • 3Com 2916-SFP | User Guide - Page 204
    204 APPENDIX E: 3COM CLI REFERENCE GUIDE Logout The Logout command terminates the CLI session. Syntax logout Default Configuration This command has no default configuration. User Guidelines There are no user guidelines for this command. Example Select menu option: logout ...
  • 3Com 2916-SFP | User Guide - Page 205
    ... command changes the user's password. Syntax password Default Configuration This command has no default configuration. User Guidelines The user needs to login to the session in order to change the password. ...: The command line interface password has been successfully changed. Select menu option:...
  • 3Com 2916-SFP | User Guide - Page 206
    ...address corresponding to a given IP address. This allows the switch to use IP addresses for routing decisions... file. CoS is supported by prioritizing packets based on the required level of service, and then.... Priority may be set according to the port default, the packet's priority bit (in the VLAN tag...
  • 3Com 2916-SFP | User Guide - Page 207
    ...switch. A user name and password is requested by the switch, and then passed to an authentication server ... to communicate across switched networks. An IEEE standard for providing quality of service (QoS) in Ethernet ... access to the switch ports by requiring users to first enter a user ID and password ...
  • 3Com 2916-SFP | User Guide - Page 208
    ... register with their local router for multicast services. If there is more than one multicast switch/router on a given ... network from a station attached directly to the network. A process whereby this switch can pass multicast traffic along to participating hosts. The Type of Service (ToS) octet in ...
  • 3Com 2916-SFP | User Guide - Page 209
    209 Multicast Switching A process whereby the switch filters incoming multicast frames for services for which no attached host has registered, or .... A method whereby data on a target port is mirrored to a monitor port for troubleshooting with a logic analyzer or RMON probe. This allows data on the ...
  • 3Com 2916-SFP | User Guide - Page 210
    ... connections between management clients and the switch. The RIP protocol seeks to find the shortest ... Access Controller Access Control System Plus (TACACS+) Transmission Control Protocol/Internet.... UDP provides a datagram mode for packet-switched communications. It uses IP as the underlying transport...
  • 3Com 2916-SFP | User Guide - Page 211
    211 Virtual LAN (VLAN) A Virtual LAN is a collection of network nodes that share the same collision domain regardless of their physical location or connection point in the network. A VLAN serves as a logical workgroup with no physical barriers, and allows users to share information and resources ...
  • 3Com 2916-SFP | User Guide - Page 212
    ... OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS 3Com offers product registration, case management,... your product at: http://eSupport.3com.com/ 3Com eSupport services are based on accounts that are created or that you are authorized to access. Solve Problems Online 3Com offers the following support tool...
  • 3Com 2916-SFP | User Guide - Page 213
    ...buy an Express or Guardian contract, a Software Upgrades contract, or an equivalent support contract from 3Com or your reseller. Support ...Price List and are available for purchase from your 3Com reseller. Contact Us 3Com offers telephone, internet, and e-mail access to technical support and repair ...
  • 3Com 2916-SFP | User Guide - Page 214
    214 APPENDIX G: OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS To send a product directly to 3Com for repair,...://eSupport.3com.com/. First-time users must apply for a user name and password.... obtain non-urgent support in this region at this email address [email protected] Or request a return ...
  • 3Com 2916-SFP | User Guide - Page 215
    ... support in this region using this URL: http://emea.3com.com/support/email.html You can ... these email addresses: Technical support and general requests: [email protected] Return material ...3com.com Contract requests: [email protected] Latin America - Telephone Technical Support and Repair ...
  • 3Com 2916-SFP | User Guide - Page 216
    ... frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. Operation of ...: How to Identify and Resolve Radio-TV Interference Problems This booklet is available from the U.S. Government Printing Office, Washington, DC ...



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3Com 2916-SFP - Baseline Switch Plus Manual