3Com 3CBLSG24 User Guide

3Com 3CBLSG24 - Baseline Switch 2924-SFP Manual

3Com 3CBLSG24 manual table of contents:

  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 2
    ...is provided with only such rights as are provided in 3Com's standard commercial license for the Software. Technical data is provided with limited rights ... in, or delivered to you in conjunction with, this User Guide. Unless otherwise indicated, 3Com registered trademarks are registered in the United ...
  • 3Com 3CBLSG24 | 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 4
    4 ABOUT THIS GUIDE
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 6
    ...User Guide Overview ...3 Intended Audience...5 Conventions ...5 Related Documentation ...5 1 GETTING STARTED About the Switch 2916 ... Passwords...27 Upgrading Software using the CLI...27 2 USING THE 3COM WEB INTERFACE ... Web Interface...28 Understanding the 3Com Web Interface ...30 Using Screen and ...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 8
    ...VLAN Settings ...107 Removing VLANs ...108 9 CONFIGURING IP AND MAC ADDRESS INFORMATION Defining IP Addressing ...109 Configuring ARP Settings...110 Configuring Address Tables...114 10 ...Removing SNMP Traps ...140 13 CONFIGURING QUALITY OF SERVICE Viewing CoS Settings...143 Defining CoS...
  • 3Com 3CBLSG24 | User Guide - Page 9
    ... Configuring Port Mirroring ...175 Viewing Cable Diagnostics ...178 A 3COM NETWORK MANAGEMENT 3Com Network Supervisor...181 3Com Network Director ...182 3Com Network Access Manager ...182 3Com Enterprise Management Suite ...183 Integration Kit with HP OpenView Network Node Manager ...
  • 3Com 3CBLSG24 | User Guide - Page 10
    ... Cable...190 PC-AT Serial Cable ...190 Modem Cable...190 Ethernet Port RJ-45 Pin Assignments ...191 D TROUBLESHOOTING Problem Management ...192 Troubleshooting Solutions ...192 E 3COM CLI REFERENCE GUIDE Getting Started with the Command Line Interface ...
  • 3Com 3CBLSG24 | User Guide - Page 11
    ... 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....covers summaries of hardware and software features and also the following topics: About the Switch 2916 and 2924 ...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 13
    ...Mounting Front Panel Detail Figure 1 shows the front panel of the Switch 2916-SFP Plus 16-Port unit. Figure 1 Switch...13 16 15 16 Figure 2 shows the front panel of the Switch 2924-SFP Plus 24-Port unit. Figure 2 Switch 2924 SFP Plus 24-Port-front panel 1 4 5 8 9 12 22 24 13 16 17 20 ...
  • 3Com 3CBLSG24 | 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... 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 3CBLSG24 | User Guide - Page 15
    ... 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 in.) 2.0 kg (4.4 lb) ...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 17
    ... of accessing 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 Console Port Viewing IP Information using the Console Port Setting Up Web ...
  • 3Com 3CBLSG24 | User Guide - Page 18
    ... running the Simple Network Management Protocol (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 Switch Connect over ...
  • 3Com 3CBLSG24 | User Guide - Page 19
    ...is automatically configured using DHCP See page 20 The switch uses its default IP information See page 20 Yes Do you want to manually configure the IP... See page 25 Refer to the label on the rear of the switch which details the default IP address. Connect to the console port and ...
  • 3Com 3CBLSG24 | User Guide - Page 20
    ... an IP address from a DHCP server on the network. Default IP Address If no DHCP server is detected, the switch will use its default IP information. The default IP address is 169.254.x.y, ...last two bytes of its MAC address. Note: The switch's default IP address is listed on a label located on ...
  • 3Com 3CBLSG24 | User Guide - Page 21
    Using the Command Line Interface (CLI) 21
  • 3Com 3CBLSG24 | User Guide - Page 22
    .... 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 manually set up the switch with IP information using the command line interface.
  • 3Com 3CBLSG24 | User Guide - Page 23
    ...option# should be displayed. 5 Enter the IP address and subnet mask for the switch as follows: ipSetup ...method. See "Methods of Managing a Switch" on page 17. Viewing IP Information using the Console... to the switch Console port as described in "Connecting to the Console Port" page 21. The automatic IP...
  • 3Com 3CBLSG24 | User Guide - Page 24
    ...of the display from the Summary command. Select menu option# summary IP Method: default IP address: 169.254.99.51 Subnet mask: 255....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 ...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 27
    ... also upgrade the software using the switch Web user interface. See "Upgrade the Firmware Image" ...aaa is the IP address of the TFTP server and bbb is the source bootcode filename. The bootcode firmware ...not be a new bootcode file to download. 3 To set the switch to boot from the new software you have ...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 29
    ... 3Com Web Interface 29 Accessing the 3Com Web Interface This section contains information on starting ...interface. To access the 3Com user interface: 1 Open an Internet browser. 2 Enter the device IP address ...blank. Passwords are case sensitive. 4 Click Login. The 3Com Web Interface Home Page opens:...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 32
    ... 3COM WEB INTERFACE Device Representation The 3Com Web Interface Home Page contains a graphical ... information, and include the following: Table 7 Button 3Com Web Interface Configuration Buttons Button ... device. Deletes configuration settings. Table 8 Tab 3Com Web Interface Information Tabs Tab ...
  • 3Com 3CBLSG24 | 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: Viewing Configuration Information Adding Configuration Information Modifying Configuration Information Removing Configuration ...
  • 3Com 3CBLSG24 | User Guide - Page 34
    ... INTERFACE Adding Configuration Information User-defined information can be added to specific 3Com Web Interface pages, by opening the IP Setup Page. For example, ... Setup. The IP Setup Page opens: Figure 12 IP Setup Page 2 Enter requisite information in the text ...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | 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 deleted. 3 Click Remove. The user account is deleted, and the ...
  • 3Com 3CBLSG24 | User Guide - Page 37
    Saving the Configuration 37 Saving the Configuration Configuration changes are only saved to the device once the user saves the changes to the flash memory. The Save Configuration tab allows the latest configuration to be saved to the flash memory. To save the device configuration: 1 Click Save ...
  • 3Com 3CBLSG24 | User Guide - Page 38
    38 CHAPTER 2: USING THE 3COM WEB INTERFACE Resetting the Device The Reset Page enables resetting the device from a remote location. To prevent the current configuration from being lost, use the Save Configuration Page to save all user-defined changes to the flash memory before resetting the ...
  • 3Com 3CBLSG24 | User Guide - Page 39
    Restoring Factory Defaults 39 Restoring Factory 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 ...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 41
    ... displays general information, including the system name, location, 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 42
    42 CHAPTER 3: VIEWING BASIC SETTINGS
  • 3Com 3CBLSG24 | 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 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 45
    ... allows 10 users to be created and access the switch concurrently. Access levels provide read or read/write permissions to users for configuring the switch. Login information is managed in the local database. ... password is required of each user. Two access levels exist on the 3Com Web Interface:...
  • 3Com 3CBLSG24 | User Guide - Page 46
    46 CHAPTER 4: MANAGING DEVICE SECURITY Viewing System Access Settings The System Access Summary 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 47
    Configuring System Access 47 Defining System Access The System Access Setup Page allows network administrators to define users, passwords, and access levels for users using the System Access Interface. Monitor users have no access to this page. 1 Click Administration > System Access > Setup. The...
  • 3Com 3CBLSG24 | User Guide - Page 48
    48 CHAPTER 4: MANAGING DEVICE SECURITY Modifying System Access The System Access Modify Page allows network administrators to modify users, passwords, and access levels using the System Access Interface. Monitor users have no access to this page. 1 Click Administration > System Access > Modify. ...
  • 3Com 3CBLSG24 | User Guide - Page 49
    Configuring System Access 49 Removing System Access The System Access Remove Page allows network administrators 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 ...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 51
    Defining RADIUS Clients 51
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 53
    Defining Port-Based Authentication (802.1X) 53 Viewing 802.1X Authentication 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....
  • 3Com 3CBLSG24 | User Guide - Page 54
    54 CHAPTER 4: MANAGING DEVICE SECURITY
  • 3Com 3CBLSG24 | 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 3CBLSG24 | 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 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 58
    58 CHAPTER 4: MANAGING DEVICE SECURITY Viewing MAC Based ACLs The MAC Based ACL Summary Page displays information regarding MAC Based ACLs 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...
  • 3Com 3CBLSG24 | User Guide - Page 59
    Defining Access Control Lists 59
  • 3Com 3CBLSG24 | User Guide - Page 60
    60 CHAPTER 4: MANAGING DEVICE SECURITY Add Rules to ACL
  • 3Com 3CBLSG24 | User Guide - Page 61
    Defining Access Control Lists 61 packet is assigned rate limiting restrictions for forwarding. The options are as follows:
  • 3Com 3CBLSG24 | User Guide - Page 62
    62 CHAPTER 4: MANAGING DEVICE SECURITY Modify
  • 3Com 3CBLSG24 | User Guide - Page 63
    Defining Access Control Lists 63
  • 3Com 3CBLSG24 | User Guide - Page 64
    64 CHAPTER 4: MANAGING DEVICE SECURITY
  • 3Com 3CBLSG24 | User Guide - Page 65
    ... Viewing IP Based ACLs The IP Based ACL Summary Page displays information regarding IP Based ACLs configured on the device. To view IP Based ACLs: 1 Click Device >... Based ACL > Summary. The IP Based ACL Summary Page opens: Figure 32 IP Based ACL Summary Page The IP Based ACL Summary Page contains ...
  • 3Com 3CBLSG24 | User Guide - Page 66
    66 CHAPTER 4: MANAGING DEVICE SECURITY
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 68
    68 CHAPTER 4: MANAGING DEVICE SECURITY
  • 3Com 3CBLSG24 | User Guide - Page 69
    Defining Access Control Lists 69
  • 3Com 3CBLSG24 | User Guide - Page 70
    70 CHAPTER 4: MANAGING DEVICE SECURITY
  • 3Com 3CBLSG24 | User Guide - Page 71
    Defining Access Control Lists 71 The IP Based ACL Modify Page contains the following fields:
  • 3Com 3CBLSG24 | User Guide - Page 72
    72 CHAPTER 4: MANAGING DEVICE SECURITY For each TCP flag, the possible field values are:
  • 3Com 3CBLSG24 | User Guide - Page 73
    Defining Access Control Lists 73
  • 3Com 3CBLSG24 | User Guide - Page 74
    74 CHAPTER 4: MANAGING DEVICE SECURITY The IP Based ACL Remove Page contains the following fields:
  • 3Com 3CBLSG24 | User Guide - Page 75
    Defining Access Control Lists 75
  • 3Com 3CBLSG24 | User Guide - Page 76
    76 CHAPTER 4: MANAGING DEVICE SECURITY Configuring ACL Binding The ACL Binding Setup Page allows the network administrator 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 77
    Defining Access Control Lists 77 Removing ACL Binding The ACL Binding Remove Page allows the network administrator 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...
  • 3Com 3CBLSG24 | User Guide - Page 78
    78 CHAPTER 4: MANAGING DEVICE SECURITY Enabling Broadcast Storm Broadcast Storm limits the amount of Multicast and Broadcast frames accepted and forwarded by the device. When Layer 2 frames are forwarded, Broadcast and Multicast frames are flooded to all ports on the relevant VLAN. This occupies...
  • 3Com 3CBLSG24 | User Guide - Page 79
    Enabling Broadcast Storm 79 The Broadcast Storm Setup Page contains the following fields:
  • 3Com 3CBLSG24 | User Guide - Page 80
    5 GENERAL SYSTEM INFORMATION This section contains information about configuring general system parameters, and includes the following:
  • 3Com 3CBLSG24 | User Guide - Page 81
    Viewing System Description 81 The Device View Page contains the following fields:
  • 3Com 3CBLSG24 | User Guide - Page 82
    82 CHAPTER 5: GENERAL SYSTEM INFORMATION Configuring System Name Information The System Name Page allows the Network Administrator to provide a user-defined system name, location, and contact information for the device. Monitor users have read-only permissions on this page. To configure the ...
  • 3Com 3CBLSG24 | User Guide - Page 83
    .... Daylight Savings Time can be enabled on the device. Monitor 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 84
    84 CHAPTER 5: GENERAL SYSTEM INFORMATION
  • 3Com 3CBLSG24 | User Guide - Page 85
    6 CONFIGURING PORTS This section contains information for configuring Port Settings, and includes the following sections:
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 87
    Viewing Port Settings 87
  • 3Com 3CBLSG24 | User Guide - Page 88
    88 CHAPTER 6: CONFIGURING PORTS Defining Port Settings The Port Administration Setup Page allows network managers to configure 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...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 90
    90 CHAPTER 6: CONFIGURING PORTS Viewing Port 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...
  • 3Com 3CBLSG24 | User Guide - Page 91
    Viewing Port Details 91
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 93
    Viewing Link Aggregation 93 Viewing Link Aggregation The Link Aggregation Summary Page displays port usage by linking a group of ports together to form a single LAG. Aggregating ports multiplies the bandwidth between the devices, increases port flexibility, and provides link redundancy. To view ...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 95
    Modifying Link Aggregation 95 Modifying Link Aggregation The Link Aggregation Modify Page optimizes port usage by linking a group of ports together to form a single LAG. Aggregating ports multiplies the bandwidth between the devices, increases port flexibility, and provides link redundancy. ...
  • 3Com 3CBLSG24 | User Guide - Page 96
    96 CHAPTER 7: AGGREGATING PORTS Summary
  • 3Com 3CBLSG24 | User Guide - Page 97
    Viewing LACP 97 The Link Aggregation Remove Page includes the following fields:
  • 3Com 3CBLSG24 | User Guide - Page 98
    98 CHAPTER 7: AGGREGATING PORTS The LACP Summary Page contains the following fields:
  • 3Com 3CBLSG24 | User Guide - Page 99
    Modifying LACP 99 The LACP Modify Page contains the following fields:
  • 3Com 3CBLSG24 | User Guide - Page 100
    ... more efficiently within subgroups. VLANs use software to reduce the amount of time it takes for network ...management VLAN. You can only manage the switch through a port that is an untagged member of VLAN1....other logical connection combination, since they are software-based and not defined by physical ...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 102
    102 CHAPTER 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 103
    Viewing VLAN Port 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 104
    104 CHAPTER 8: CONFIGURING VLANS Creating 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 105
    Modifying VLAN Settings 105 3 Click Create. The VLANs are configured, and the device is updated. To rename a VLAN: 1 Highlight a VLAN to be renamed from the VLAN list. 2 Enter the new name for the VLAN. 3 Click Rename. The VLAN is renamed, and the device is updated. Modifying VLAN Settings The ...
  • 3Com 3CBLSG24 | User Guide - Page 106
    106 CHAPTER 8: CONFIGURING VLANS
  • 3Com 3CBLSG24 | User Guide - Page 107
    Modifying Port VLAN Settings 107 Modifying Port VLAN 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 108
    108 CHAPTER 8: CONFIGURING VLANS 3 Select Membership type. 4 Enter VLAN ID to be assigned to the port. 5 Click Apply. The VLANs are configured, and the device is updated. Removing VLANs The VLAN Remove Page allows the network administrator to remove VLANs. The monitor users have no access to ...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 110
    110 CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION The IP Setup Page contains the following fields:
  • 3Com 3CBLSG24 | User Guide - Page 111
    Configuring ARP Settings 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 112
    112 CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION Defining ARP Settings The ARP Settings Setup Page allows network managers 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 > ...
  • 3Com 3CBLSG24 | User Guide - Page 113
    ... for removing 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 114
    114 CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION
  • 3Com 3CBLSG24 | User Guide - Page 115
    Configuring Address Tables 115 Viewing Address Table Settings The 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 116
    116 CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION
  • 3Com 3CBLSG24 | User Guide - Page 117
    Configuring Address Tables 117
  • 3Com 3CBLSG24 | User Guide - Page 118
    118 CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION The Address Table Add Page contains the following fields:
  • 3Com 3CBLSG24 | User Guide - Page 119
    ... is the amount of time the MAC Addresses remain in the Dynamic MAC Address 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. To define the Aging Time: 1 Click Monitoring > Address Tables > Setup...
  • 3Com 3CBLSG24 | User Guide - Page 120
    120 CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION Removing Address Table Ports The Port Remove 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 121
    Configuring Address Tables 121
  • 3Com 3CBLSG24 | User Guide - Page 122
    122 CHAPTER 9: CONFIGURING IP AND MAC ADDRESS INFORMATION
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 124
    124 CHAPTER 10: CONFIGURING IGMP SNOOPING Defining IGMP Snooping The IGMP Snooping 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 ...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 127
    Viewing Spanning Tree 127 Viewing Spanning Tree The 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 128
    128 CHAPTER 11: CONFIGURING SPANNING TREE
  • 3Com 3CBLSG24 | User Guide - Page 129
    Viewing Spanning Tree 129
  • 3Com 3CBLSG24 | User Guide - Page 130
    130 CHAPTER 11: CONFIGURING SPANNING TREE Defining Spanning Tree Network administrators can assign STP settings to specific 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 131
    Defining Spanning Tree 131 Global Setting
  • 3Com 3CBLSG24 | User Guide - Page 132
    132 CHAPTER 11: CONFIGURING SPANNING TREE Designated Root
  • 3Com 3CBLSG24 | User Guide - Page 133
    Modifying Spanning Tree 133 Modifying Spanning Tree TheSpanning Tree Modify Page contains 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 134
    134 CHAPTER 11: CONFIGURING SPANNING TREE
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 136
    136 CHAPTER 12: CONFIGURING SNMP Defining SNMP Communities Access rights are managed by defining communities in the SNMP Communities Setup Page. When the community names are changed, access rights are also changed. SNMP communities are defined only for SNMP v1 and SNMP v2c. Monitor users have no...
  • 3Com 3CBLSG24 | User Guide - Page 137
    Defining SNMP Communities 137 SNMP Management
  • 3Com 3CBLSG24 | User Guide - Page 138
    138 CHAPTER 12: CONFIGURING SNMP Removing SNMP Communities The SNMP Communities Remove Page allows the system manager 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 139
    Defining SNMP Traps 139
  • 3Com 3CBLSG24 | User Guide - Page 140
    140 CHAPTER 12: CONFIGURING SNMP The SNMP Traps Setup Page contains the following fields:
  • 3Com 3CBLSG24 | User Guide - Page 141
    Removing SNMP Traps 141 The SNMP Traps Remove Page contains the following fields:
  • 3Com 3CBLSG24 | 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 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 144
    144 CHAPTER 13: CONFIGURING QUALITY OF SERVICE Defining CoS The CoS Setup Page contains information for enabling QoS globally. Monitor users have no access to this page. To configure CoS Settings: 1 Click Device > QoS > CoS Setup. The CoS Setup Page opens: Figure 77 CoS Setup Page The CoS Setup ...
  • 3Com 3CBLSG24 | User Guide - Page 145
    Viewing CoS to Queue 145 Viewing CoS to Queue The CoS to Queue 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 ...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 147
    Viewing DSCP to Queue 147 Viewing DSCP to Queue The DSCP to Queue Summary Page contains fields for mapping DSCP settings to traffic 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 ...
  • 3Com 3CBLSG24 | 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 to traffic queues. For example, a packet with a DSCP tag value of 3 can be assigned to queue 1. The monitor user has no access to this page. To map CoS to ...
  • 3Com 3CBLSG24 | User Guide - Page 149
    ... Trust Settings 149 Configuring Trust Settings The Trust Setup Page 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 Trust: 1 Click Device > QoS > Trust Setup. The Trust...
  • 3Com 3CBLSG24 | User Guide - Page 150
    150 CHAPTER 13: CONFIGURING QUALITY OF SERVICE Viewing Bandwidth Settings The Bandwidth Summary Page displays bandwidth settings for a specified interface. To view Bandwidth Settings: 1 Click Device > QoS > Bandwidth > Summary. The Bandwidth Summary Page opens: Figure 83 Bandwidth Summary Page ...
  • 3Com 3CBLSG24 | User Guide - Page 151
    Defining Bandwidth Settings 151 Egress Shaping Rates
  • 3Com 3CBLSG24 | User Guide - Page 152
    152 CHAPTER 13: CONFIGURING QUALITY OF SERVICE The Bandwidth Setup Page contains the following fields: Ingress Rate Limit
  • 3Com 3CBLSG24 | User Guide - Page 153
    ... allows network administrators enhance VoIP service by configuring ports to carry IP voice traffic ... Administrators can configure VLANs on which voice IP traffic is forwarded. Non-VoIP traffic ... ensuring that the quality of voice does not deteriorate if the IP traffic is received unevenly. The system ...
  • 3Com 3CBLSG24 | 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 currently enabled on the device, including the ports enabled and included in the Voice VLAN. To view Voice VLAN Settings: 1 Click Device > QoS > VoIP > Traffic ...
  • 3Com 3CBLSG24 | User Guide - Page 155
    Defining Voice VLAN 155
  • 3Com 3CBLSG24 | User Guide - Page 156
    156 CHAPTER 13: CONFIGURING QUALITY OF SERVICE
  • 3Com 3CBLSG24 | User Guide - Page 157
    Defining Voice VLAN 157
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 159
    ... While the last three bytes contain a unique station ID. Using the OUI, network managers can add specific manufacturer's MAC addresses to the OUI table. Once the OUIs are added, all traffic received on the Voice VLAN ports from the specific IP phone with a listed OUI, is forwarded on the voice VLAN.
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 161
    ... can add specific manufacture's MAC addresses to the OUI table. Once the OUIs are added, all traffic received on the Voice VLAN ports 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 162
    ...FILES This section contains information about 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 163
    Backing Up System Files 163 Backing Up System Files The Backup Page permits network managers to backup the system configuration to a TFTP or HTTP server. The monitor users have no access to this page. 1 To keep your currently running configuration, click the Save Configuration item on the left ...
  • 3Com 3CBLSG24 | User Guide - Page 164
    164 CHAPTER 14: 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 ...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 166
    ... select and reset the Image files. The 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 ...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 168
    168 CHAPTER 15: MANAGING SYSTEM LOGS Viewing Logs The Logging Display Page contains all system logs in a chronological order that are saved in RAM (Cache). The monitor user has read-only access to this feature. To view Logging: 1 Click Administration > Logging > Display. The Logging Display Page...
  • 3Com 3CBLSG24 | User Guide - Page 169
    Configuring Logging 169 Configuring Logging The Logging Setup Page contains fields for defining which events are recorded to which logs. It contains fields for enabling logs globally, and parameters for defining logs. Log messages are listed from the highest severity to the lowest severity level...
  • 3Com 3CBLSG24 | User Guide - Page 170
    170 CHAPTER 15: MANAGING SYSTEM LOGS
  • 3Com 3CBLSG24 | User Guide - Page 171
    Configuring Logging 171
  • 3Com 3CBLSG24 | User Guide - Page 172
    16 VIEWING STATISTICS This section contains information about viewing port statistics. Viewing Port Statistics The Port Statistics Summary Page contains fields for viewing information about device utilization and errors that occurred on the device. To view RMON statistics: 1 Click Ports > ...
  • 3Com 3CBLSG24 | User Guide - Page 173
    Viewing Port Statistics 173
  • 3Com 3CBLSG24 | 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 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 176
    176 CHAPTER 17: MANAGING DEVICE DIAGNOSTICS Defining Port 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 177
    Configuring Port Mirroring 177
  • 3Com 3CBLSG24 | User Guide - Page 178
    178 CHAPTER 17: MANAGING DEVICE DIAGNOSTICS The Port Mirroring Remove Page contains the following fields:
  • 3Com 3CBLSG24 | User Guide - Page 179
    Viewing Cable Diagnostics 179 The Cable Diagnostics Summary Page contains the following fields:
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 181
    ...Director 3Com Network Access Manager 3Com Enterprise Management Suite Integration Kit with HP OpenView Network Node Manager Details of these and other 3Com Network Management ... of experience. To find out more about 3Com Network Supervisor and to download a trial version, go to: www...
  • 3Com 3CBLSG24 | User Guide - Page 182
    ...tasks such as backup and restore for 3Com device configurations as well as firmware and agent upgrades. 3ND...Director can help you manage your 3Com network and to download a trial version, go to:... Manager leverages the advanced desktop security capabilities of 3Com switches and wireless access points (...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 184
    ... Standards DEVICE SPECIFICATIONS AND FEATURES The 3Com® Baseline Switch 2916-SFP Plus and Baseline Switch 2924-SFP Plus have been designed to the following standards: ...IEC 68) Physical Width Depth Height Weight Switch 2916-SFP Plus Switch 2924-SFP Plus Mounting 440 mm (17.3 in.) 173 mm ...
  • 3Com 3CBLSG24 | User Guide - Page 185
    ...185 Electrical Line Frequency Input Voltage Current Rating Switch 2916-SFP Plus Switch 2924-SFP Plus ...Dissipation Switch 2916-SFP Plus Switch 2924-SFP Plus 50/60 Hz 100-240 Vac (auto... The system supports the following features: Table 11 Features of the Baseline Switch 2916-SFP Plus and Switch 2924...
  • 3Com 3CBLSG24 | User Guide - Page 186
    ... 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) ...allows basic features to be configured, including IP address management and firmware upgrading. The CLI is not intended ...
  • 3Com 3CBLSG24 | 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 ...
  • 3Com 3CBLSG24 | User Guide - Page 188
    ... 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 ... a sequence number. The device supports boot image, software and configuration upload/download via TFTP. ...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | 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 3CBLSG24 | 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 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 193
    ...that the pin-out complies with a standard null-modem cable Cannot connect to switch management using HTTP, SNMP, etc. Be sure the switch has a valid IP address, subnet mask and default gateway configured Check that your cable is properly connected with...
  • 3Com 3CBLSG24 | User Guide - Page 194
    ... D: TROUBLESHOOTING Table 12 Troubleshooting Solutions (continued) Problems Device is in a reboot loop Possible Cause Software fault Solution Download and install a ... or zoom screen in the NMS application, and change setting if necessary Lost Password Contact 3Com
  • 3Com 3CBLSG24 | User Guide - Page 195
    E 3COM CLI REFERENCE GUIDE This section describes using the Command Line Interface (CLI) ... Connect the RJ-45 cable to the Console port of the switch to the serial port of the terminal or computer running ... process requires a User Name and Password. The default user name for first time configuration ...
  • 3Com 3CBLSG24 | 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 ... by automatic logout. Concurrent CLI Sessions The command line interface supports one CLI session. CLI Commands This Command section ...
  • 3Com 3CBLSG24 | User Guide - Page 197
    ...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. Summarizes IP setup and software versions. Software upgrade over TFTP.
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 199
    ...Summary The Summary command displays the current IP configuration and software versions running on the device....command. Example The following displays current IP configuration and software versions running on the device:...Select menu option: IP Method: IP address: Subnet mask: Default gateway: Runtime...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | 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 3CBLSG24 | 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. ... option# initialize WARNING: This command initializes the system to factory defaults and causes a reset. Do you wish to...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 205
    ... Commands 205 Password The Password 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. Example Select menu ...
  • 3Com 3CBLSG24 | User Guide - Page 206
    ... MAC address corresponding to a given IP address. This allows the switch to use IP addresses for routing decisions... devices, Boot Protocol (BOOTP) Class of Service (CoS) including IP address information, the address ...port default, the packet's priority bit (in the VLAN tag), TCP/UDP port number, IP ...
  • 3Com 3CBLSG24 | User Guide - Page 207
    ... way for VLANs to communicate across switched networks. An IEEE standard for providing quality of service (QoS) in Ethernet networks. The ... or to which they already belong. The elected querier is the device with the lowest IP address in the subnetwork. Generic Multicast Registration Protocol (GMRP) ...
  • 3Com 3CBLSG24 | User Guide - Page 208
    ... local router for multicast services. If there is more than one multicast switch/router on... process whereby this switch can pass multicast traffic along to participating hosts. The Type of Service ... are mapped one-to-one to the Class of Service categories by default, but may be configured differently ...
  • 3Com 3CBLSG24 | User Guide - Page 209
    ... Switching A process whereby the switch filters incoming multicast frames for services for which no attached ...reverse path forwarding. PIM uses the router's IP routing table rather than maintaining ... Dial-in User Service (RADIUS) RADIUS is a logon authentication protocol that uses software running ...
  • 3Com 3CBLSG24 | User Guide - Page 210
    ...Trivial File Transfer Protocol (TFTP) User Datagram Protocol (UDP) A TCP/IP protocol commonly used for software downloads. UDP provides a datagram mode for packet-switched communications. It uses IP as the underlying transport mechanism to provide access to IP-...
  • 3Com 3CBLSG24 | 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 3CBLSG24 | User Guide - Page 212
    ... of warranty and other service benefits, you must first register 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 3CBLSG24 | User Guide - Page 213
    .... Separately orderable software releases and licenses are listed in the 3Com 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 services. To access these ...
  • 3Com 3CBLSG24 | User Guide - Page 214
    214 APPENDIX G: OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS To send a product directly to 3Com for repair,... an RMA number online at http://eSupport.3com.com/. First-time users must apply ... obtain non-urgent support in this region at this email address apr_technical_support@3com.com Or request a return ...
  • 3Com 3CBLSG24 | 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: customer_support@3com.com Return material ...3com.com Contract requests: emea_contract@3com.com Latin America - Telephone Technical Support and Repair ...
  • 3Com 3CBLSG24 | 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 ...



Type your new search above

The manual viewer requires the flash plugin to be installed and enabled.
To view this page ensure that Adobe Flash Player version 10 or greater is installed.

3Com 3CBLSG24 - Baseline Switch 2924-SFP Manual