User Guide
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... 22 Removing an SFP Transceiver 23 Performing Spot Checks 23 3 CONNECTING TO THE WEB INTERFACE Requirements for Accessing the Web Interface 25 Using the Console Command Line Interface (CLI) 25 Logging On to the Web Interface 27 Navigating the Web Interface 28 Menu 28 Buttons 31 Port Status 31 Accessing the Switch using the 3Com Switch Detect Application 31 Running the 3Com Switch Detect Application 32 4 CONFIGURING THE SWITCH FROM THE WEB INTERFACE Configuration Overview 35 Device Summary Information 35 Administration Settings 37 Modifying the IP Address Settings...
... 22 Removing an SFP Transceiver 23 Performing Spot Checks 23 3 CONNECTING TO THE WEB INTERFACE Requirements for Accessing the Web Interface 25 Using the Console Command Line Interface (CLI) 25 Logging On to the Web Interface 27 Navigating the Web Interface 28 Menu 28 Buttons 31 Port Status 31 Accessing the Switch using the 3Com Switch Detect Application 31 Running the 3Com Switch Detect Application 32 4 CONFIGURING THE SWITCH FROM THE WEB INTERFACE Configuration Overview 35 Device Summary Information 35 Administration Settings 37 Modifying the IP Address Settings...
User Guide
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... 38 Backup Configuration 38 Restore Configuration 39 Firmware Upgrade 39 Reset 40 System Access 40 System Name 43 System Time 43 SNMP 43 Configuring VLANs 44 VLAN 45 Forwarding Tagged/Untagged Frames 49 Sample VLAN Configurations 49 Spanning Tree 51 IGMP Snooping & Query 54 Broadcast Storm 55 QoS VoIP Traffic Settings 56 PoE (3CBLSF26-PWR only) 59 Configuring Port Settings 60 Administration 60 Link Aggregation 63 Statistics 66 Security 66 RADIUS Client 66 802.1X Settings 67 Monitoring 69 Address Table 69 Port Mirroring 70 Cable Diagnostics 72 5 TROUBLESHOOTING Resetting to Factory Defaults 75...
... 38 Backup Configuration 38 Restore Configuration 39 Firmware Upgrade 39 Reset 40 System Access 40 System Name 43 System Time 43 SNMP 43 Configuring VLANs 44 VLAN 45 Forwarding Tagged/Untagged Frames 49 Sample VLAN Configurations 49 Spanning Tree 51 IGMP Snooping & Query 54 Broadcast Storm 55 QoS VoIP Traffic Settings 56 PoE (3CBLSF26-PWR only) 59 Configuring Port Settings 60 Administration 60 Link Aggregation 63 Statistics 66 Security 66 RADIUS Client 66 802.1X Settings 67 Monitoring 69 Address Table 69 Port Mirroring 70 Cable Diagnostics 72 5 TROUBLESHOOTING Resetting to Factory Defaults 75...
User Guide
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It covers the following switches: Baseline Switch 2226-SFP Plus (3CBLSF26) Baseline Switch 2426-PWR Plus (3CBLSF26PWR) Baseline Switch 2250-SFP Plus (3CBLSF50) Unless noted otherwise, the features, specifications and procedures described hereafter are shared by those responsible for each. Device drawings, screen captures and command line interface examples are based on the 3Com World Wide Web site: www.3Com.com Conventions Table 1 and Table 2 list conventions that are available in this guide. Diese Anleitung ist für die...
It covers the following switches: Baseline Switch 2226-SFP Plus (3CBLSF26) Baseline Switch 2426-PWR Plus (3CBLSF26PWR) Baseline Switch 2250-SFP Plus (3CBLSF50) Unless noted otherwise, the features, specifications and procedures described hereafter are shared by those responsible for each. Device drawings, screen captures and command line interface examples are based on the 3Com World Wide Web site: www.3Com.com Conventions Table 1 and Table 2 list conventions that are available in this guide. Diese Anleitung ist für die...
User Guide
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The selection of active ports can use to reset the Switch to factory defaults, change the IP address that is assigned to the Switch, set the admin password, reboot the Switch, or upgrade the Switch firmware via the Web interface. To connect to the Console Port, you need the following: ■ The console cable provided in the Switch package, connected to the console port of the Switch, and to an available serial (com) port on your computer ■ A terminal emulation application capable of VT100...
The selection of active ports can use to reset the Switch to factory defaults, change the IP address that is assigned to the Switch, set the admin password, reboot the Switch, or upgrade the Switch firmware via the Web interface. To connect to the Console Port, you need the following: ■ The console cable provided in the Switch package, connected to the console port of the Switch, and to an available serial (com) port on your computer ■ A terminal emulation application capable of VT100...
User Guide
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... to its factory defaults erases all your settings. If these do not resolve the issue: ■ Check the 3Com Knowledgebase for assistance. Refer to use. Supplying Power to the Switch 21 Table 8 Power LED POST Indications Status Meaning Green The unit is powered on the front panel of the Switch flashes green. The Switch is not receiving power: ■ Verify that POST failed and the Switch has entered fail-safe mode. When the Switch is powered on...
... to its factory defaults erases all your settings. If these do not resolve the issue: ■ Check the 3Com Knowledgebase for assistance. Refer to use. Supplying Power to the Switch 21 Table 8 Power LED POST Indications Status Meaning Green The unit is powered on the front panel of the Switch flashes green. The Switch is not receiving power: ■ Verify that POST failed and the Switch has entered fail-safe mode. When the Switch is powered on...
User Guide
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... two numbers are ready to use the console interface. Enter 1 in this time the above addresses will take up sequence and is available). Enter the username admin with a short menu of your PC (or MAC). Flow control should be displayed as 0.0.0.0. This default IP address can change to a manually assigned IP address by a DHCP server, or to the Switch. In order to see information similar to a COM port on the console interface. Configure a suitable terminal...
... two numbers are ready to use the console interface. Enter 1 in this time the above addresses will take up sequence and is available). Enter the username admin with a short menu of your PC (or MAC). Flow control should be displayed as 0.0.0.0. This default IP address can change to a manually assigned IP address by a DHCP server, or to the Switch. In order to see information similar to a COM port on the console interface. Configure a suitable terminal...
User Guide
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Click to save and apply any unsaved changes Accessing the Switch using the 3Com Switch Detect Application 31 Port Status There is currently displayed, the following configuration options: ■ View detailed port information ■ Configure the port settings ■ View port statistics Accessing the Switch using and then launching your default web browser to connect directly to it is a router between your Switch, establishing what IP address it is running. Contains tabs that allow you have made...
Click to save and apply any unsaved changes Accessing the Switch using the 3Com Switch Detect Application 31 Port Status There is currently displayed, the following configuration options: ■ View detailed port information ■ Configure the port settings ■ View port statistics Accessing the Switch using and then launching your default web browser to connect directly to it is a router between your Switch, establishing what IP address it is running. Contains tabs that allow you have made...
User Guide
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... the network or Switch, click "Next." 3 You will take some time for a connected switch (default), or specifying an IP range. Once installed, the 3Com Switch Detect Application can be offered the choice of your Switch (either directly or on a network that will then be accessed from the Windows Start/Programs list. Follow the prompts that is connected to complete. To use 3Com Switch Detect to connect to the Web interface of...
... the network or Switch, click "Next." 3 You will take some time for a connected switch (default), or specifying an IP range. Once installed, the 3Com Switch Detect Application can be offered the choice of your Switch (either directly or on a network that will then be accessed from the Windows Start/Programs list. Follow the prompts that is connected to complete. To use 3Com Switch Detect to connect to the Web interface of...
User Guide
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... password to the Web interface ■ Assign an IP address to the Switch ■ Configure the Switch's advanced features ■ Upgrade the firmware Device Summary Information The Device Summary screen, which automatically loads after you log on to access the Web interface and configure the Switch. Topics include: ■ Device Summary Information ■ Administration Settings ■ Configuring VLANs ■ Configuring Port Settings ■ Security ■ Monitoring Configuration Overview The Switch is shipped ready for use...
... password to the Web interface ■ Assign an IP address to the Switch ■ Configure the Switch's advanced features ■ Upgrade the firmware Device Summary Information The Device Summary screen, which automatically loads after you log on to access the Web interface and configure the Switch. Topics include: ■ Device Summary Information ■ Administration Settings ■ Configuring VLANs ■ Configuring Port Settings ■ Security ■ Monitoring Configuration Overview The Switch is shipped ready for use...
User Guide
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... Configuration When you need to assign an IP address to communicate with the Switch, you power on the Switch for the first time, it - To enable devices on the network to communicate with the Switch, the Switch will use . Color Key Description of its MAC address. Figure 17 Color Key Administration Settings The Administration menu includes eight administration items: ■ IP Setup ■ Backup & Restore ■ Firmware Upgrade ■ Reset ■ System Access...
... Configuration When you need to assign an IP address to communicate with the Switch, you power on the Switch for the first time, it - To enable devices on the network to communicate with the Switch, the Switch will use . Color Key Description of its MAC address. Figure 17 Color Key Administration Settings The Administration menu includes eight administration items: ■ IP Setup ■ Backup & Restore ■ Firmware Upgrade ■ Reset ■ System Access...
User Guide
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... . 3Com recommends assigning an IP address to the Switch (either by using DHCP or a static IP address) to ensure successful communication between the Switch and other network devices. Figure 18 IP Setup Screen Backup Configuration To save the Switch configuration settings: 1 Click Administration, then Backup & Restore on Apply. IP Setup Use these settings to change the IP address of the Switch. Be default, the IP address configuration method will be altered (greyed out). If you change the IP addressing mode...
... . 3Com recommends assigning an IP address to the Switch (either by using DHCP or a static IP address) to ensure successful communication between the Switch and other network devices. Figure 18 IP Setup Screen Backup Configuration To save the Switch configuration settings: 1 Click Administration, then Backup & Restore on Apply. IP Setup Use these settings to change the IP address of the Switch. Be default, the IP address configuration method will be altered (greyed out). If you change the IP addressing mode...
User Guide
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... IP address of the network. The Switch shall be lost. Selecting any users connected to the Switch will be reset. A screen appears with four system access tabs: ■ Summary ■ Setup ■ Modify ■ Remove To prevent unauthorized users from accessing the Web interface and modifying the Switch's settings, the interface is taking place. blank (no password) Initialize, keep IP setting will return the Switch to the factory default configuration, including the IP address mode which...
... IP address of the network. The Switch shall be lost. Selecting any users connected to the Switch will be reset. A screen appears with four system access tabs: ■ Summary ■ Setup ■ Modify ■ Remove To prevent unauthorized users from accessing the Web interface and modifying the Switch's settings, the interface is taking place. blank (no password) Initialize, keep IP setting will return the Switch to the factory default configuration, including the IP address mode which...
User Guide
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... and is case-sensitive. If you forget the administration password after you set an admin password when you first configure the Switch. Figure 23 Create User Screen The password can be up to your network. User Summary Displays the list of user names and their access level. To ensure that unauthorized users do not intend to actively manage the Switch, 3Com recommends that you set it, refer to "Resetting to the Web interface.
... and is case-sensitive. If you forget the administration password after you set an admin password when you first configure the Switch. Figure 23 Create User Screen The password can be up to your network. User Summary Displays the list of user names and their access level. To ensure that unauthorized users do not intend to actively manage the Switch, 3Com recommends that you set it, refer to "Resetting to the Web interface.
User Guide
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... to access the Web interface. Also, newly created VLANs will initially have no ports associated with all other than VLAN 1, you will need to reset the Switch to factory settings. CAUTION: At least one port must specify a VLAN ID for each VLAN. ID of configured VLAN (1-4094, no longer be an untagged member of VLAN 1 (the management VLAN). Modify VLAN Use the Modify VLAN screen to change the VLAN to which a port belongs, and configure the port...
... to access the Web interface. Also, newly created VLANs will initially have no ports associated with all other than VLAN 1, you will need to reset the Switch to factory settings. CAUTION: At least one port must specify a VLAN ID for each VLAN. ID of configured VLAN (1-4094, no longer be an untagged member of VLAN 1 (the management VLAN). Modify VLAN Use the Modify VLAN screen to change the VLAN to which a port belongs, and configure the port...
User Guide
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... set to Tagged, and that a port on each Switch is the default VLAN and already exists. 2 Set ports 1, 3, and 26 to "Setup" for instructions. Ports 1, 3, and 26 now belong to VLAN2, and will not communicate with each other ports to 2. 50 CHAPTER 4: CONFIGURING THE SWITCH FROM THE WEB INTERFACE Setting Up Two VLANs on the Same Switch Figure 38 illustrates how you can set up a simple VLAN on the Switch using Tagged ports...
... set to Tagged, and that a port on each Switch is the default VLAN and already exists. 2 Set ports 1, 3, and 26 to "Setup" for instructions. Ports 1, 3, and 26 now belong to VLAN2, and will not communicate with each other ports to 2. 50 CHAPTER 4: CONFIGURING THE SWITCH FROM THE WEB INTERFACE Setting Up Two VLANs on the Same Switch Figure 38 illustrates how you can set up a simple VLAN on the Switch using Tagged ports...
User Guide
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... connected the network analyzer. Remove Use the Remove tab to a port. 2 Access the Web interface. Figure 67 Port Mirroring Setup Screen Monitoring 71 To set up port mirroring: 1 Connect a network analyzer to delete a port mirroring session. Otherwise, the Switch may not be able to copy all the traffic going in or out of high traffic. Figure 68 Port Mirroring Remove Screen Traffic to or from this port will be forwarded to the monitor port. 5 Select Mirror In to monitor a port's incoming traffic, or Mirror Out to the monitor port. Traffic...
... connected the network analyzer. Remove Use the Remove tab to a port. 2 Access the Web interface. Figure 67 Port Mirroring Setup Screen Monitoring 71 To set up port mirroring: 1 Connect a network analyzer to delete a port mirroring session. Otherwise, the Switch may not be able to copy all the traffic going in or out of high traffic. Figure 68 Port Mirroring Remove Screen Traffic to or from this port will be forwarded to the monitor port. 5 Select Mirror In to monitor a port's incoming traffic, or Mirror Out to the monitor port. Traffic...
User Guide
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... connected to is powered on basic LED checks, refer to a workstation, that : ■ The device being used. A fiber cable is connected, but the Link/Activity LED for the required link speed. Forgotten Static IP Address If you have forgotten the static IP address that you have assigned to the Switch and you need to access the Web interface, you can be used for the port is off . Verify that the workstation's network interface is installed and configured...
... connected to is powered on basic LED checks, refer to a workstation, that : ■ The device being used. A fiber cable is connected, but the Link/Activity LED for the required link speed. Forgotten Static IP Address If you have forgotten the static IP address that you have assigned to the Switch and you need to access the Web interface, you can be used for the port is off . Verify that the workstation's network interface is installed and configured...
User Guide
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...; Product model name, part number, and serial number ■ Proof of purchase, if you get full use the appropriate telephone number, URL or e-mail address from 3Com or your product ■ A list of the package, will be found at www.3com.com/ Software Upgrades are correct at http://eSupport.3com.com/. If your product is important to register your product quickly to software downloads can obtain an RMA number online...
...; Product model name, part number, and serial number ■ Proof of purchase, if you get full use the appropriate telephone number, URL or e-mail address from 3Com or your product ■ A list of the package, will be found at www.3com.com/ Software Upgrades are correct at http://eSupport.3com.com/. If your product is important to register your product quickly to software downloads can obtain an RMA number online...
User Guide
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... Started with the Command Line Interface Using the CLI, network managers enter configuration commands and parameters to the CLI Interface: 1 Press Enter without typing in a username. D 3COM CLI REFERENCE GUIDE This section describes using the CLI via a console port: 1 Connect the RJ-45 cable to the Console port of the switch to the serial port of the terminal or computer running the terminal emulation application. 2 Set the baud rate to 38400. 3 Set the data format to 8 data bits, 1 stop bit, and no parity. 4 Set Flow Control to none...
... Started with the Command Line Interface Using the CLI, network managers enter configuration commands and parameters to the CLI Interface: 1 Press Enter without typing in a username. D 3COM CLI REFERENCE GUIDE This section describes using the CLI via a console port: 1 Connect the RJ-45 cable to the Console port of the switch to the serial port of the terminal or computer running the terminal emulation application. 2 Set the baud rate to 38400. 3 Set the data format to 8 data bits, 1 stop bit, and no parity. 4 Set Flow Control to none...
User Guide
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... 104 S server defined 105 SFP transceivers approved (supported) 22 inserting 22 removing 23 spot checks 23 subnet mask 105 Switch positioning 18 switch defined 105 T TCP/IP 103 defined 105 technical specifications 83 traffic 105 monitoring 66, 70 troubleshooting 75 LED-related issues 76 POST failed 21 trunking See link aggregation U user name default 40 V viewing status information 35 VLANs 44 creating 51 maximum supported 45 sample configurations 49 W Web interface accessing using the CLI 25 buttons 31 connecting 25 logging on...
... 104 S server defined 105 SFP transceivers approved (supported) 22 inserting 22 removing 23 spot checks 23 subnet mask 105 Switch positioning 18 switch defined 105 T TCP/IP 103 defined 105 technical specifications 83 traffic 105 monitoring 66, 70 troubleshooting 75 LED-related issues 76 POST failed 21 trunking See link aggregation U user name default 40 V viewing status information 35 VLANs 44 creating 51 maximum supported 45 sample configurations 49 W Web interface accessing using the CLI 25 buttons 31 connecting 25 logging on...