User Guide
Page 4
...Trunks 37 Defining Trunk Membership 37 Viewing Trunk Information 37 Monitoring Traffic 38 Using the System Tools 39 Restarting the Switch 39 Resetting and Backing Up/Restoring Configuration 39 Upgrading the System Software 40 Configuring the Spanning Tree 41 802.1p Prioritization 41 5 TROUBLESHOOTING...Register Your Product 47 Purchase Value-Added Services 47 Troubleshoot Online 47 Access Software Downloads 47 Telephone Technical Support and Repair 48 Contact Us 48 B SAFETY INFORMATION Important Safety Information 51 France and Peru Only 51 Power Cord Set 52 Consignes Importantes de Sécurit...
...Trunks 37 Defining Trunk Membership 37 Viewing Trunk Information 37 Monitoring Traffic 38 Using the System Tools 39 Restarting the Switch 39 Resetting and Backing Up/Restoring Configuration 39 Upgrading the System Software 40 Configuring the Spanning Tree 41 802.1p Prioritization 41 5 TROUBLESHOOTING...Register Your Product 47 Purchase Value-Added Services 47 Troubleshoot Online 47 Access Software Downloads 47 Telephone Technical Support and Repair 48 Contact Us 48 B SAFETY INFORMATION Important Safety Information 51 France and Peru Only 51 Power Cord Set 52 Consignes Importantes de Sécurit...
User Guide
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... adjusts to rack-mount the unit. Package Contents The 3Com Baseline Switch 2250 Plus package includes the following items: ■ One 3Com Baseline Switch 2250 Plus unit ■ One power cord ■ Four standard height, self-adhesive rubber pads ■ One mounting kit ■ One CD-ROM, which contains this occurs, reset the Switch to factory defaults. If this User Guide and...
... adjusts to rack-mount the unit. Package Contents The 3Com Baseline Switch 2250 Plus package includes the following items: ■ One 3Com Baseline Switch 2250 Plus unit ■ One power cord ■ Four standard height, self-adhesive rubber pads ■ One mounting kit ■ One CD-ROM, which contains this occurs, reset the Switch to factory defaults. If this User Guide and...
User Guide
Page 17
... Resetting the Switch to its factory defaults erases all your 3Com network supplier for each connection is connected correctly, and then try powering on the Switch again ■ If the Switch still does not operate, contact your 3Com ...Resetting to the appropriate RJ-45 port on the connecting device. Connecting a Network Device 17 Color Yellow Off State Power-on page 43. Figure 3 Connecting Devices to the Switch Baseline 10/100 switch Endstations on switched 100 Mbps connections Baseline 10/100 switch Endstations on switched 100 Mbps connections Baseline Switch 2250 Plus...
... Resetting the Switch to its factory defaults erases all your 3Com network supplier for each connection is connected correctly, and then try powering on the Switch again ■ If the Switch still does not operate, contact your 3Com ...Resetting to the appropriate RJ-45 port on the connecting device. Connecting a Network Device 17 Color Yellow Off State Power-on page 43. Figure 3 Connecting Devices to the Switch Baseline 10/100 switch Endstations on switched 100 Mbps connections Baseline 10/100 switch Endstations on switched 100 Mbps connections Baseline Switch 2250 Plus...
User Guide
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Contains tabs that allow you to: ■ Restart and reset the Switch ■ Back up and maintain trunk membership for the screen that you have made ■ Cancel - This takes you to the Basic Port Configuration tab, ... restore configuratio ■ Upgrade the firmware ■ Configure forwarding of BPDU packets to support a spanning tree topology ■ Enable and disable 802.1p prioritization Displays 3Com contact information and describes how to use . Click to display the context-sensitive help pages provide information on the tasks that is currently displayed. Click...
Contains tabs that allow you to: ■ Restart and reset the Switch ■ Back up and maintain trunk membership for the screen that you have made ■ Cancel - This takes you to the Basic Port Configuration tab, ... restore configuratio ■ Upgrade the firmware ■ Configure forwarding of BPDU packets to support a spanning tree topology ■ Enable and disable 802.1p prioritization Displays 3Com contact information and describes how to use . Click to display the context-sensitive help pages provide information on the tasks that is currently displayed. Click...
User Guide
Page 33
...; Name - CAUTION: At least one port must specify a VLAN ID for a more secure and cleaner network environment. ID of the VLAN to a router or layer 3 switch. To propagate information about VLAN groups used on the Create VLAN screen include: ■ VLAN ID - Figure 15 Delete Screen Available options on this... access the Web interface. By default, all connected to be able to external devices, you will need to reset the Switch to factory settings. Creating a VLAN Use the Create VLANs screen to create VLANs on setting up to 256 VLANs, add specific ports to a chosen VLAN (...
...; Name - CAUTION: At least one port must specify a VLAN ID for a more secure and cleaner network environment. ID of the VLAN to a router or layer 3 switch. To propagate information about VLAN groups used on the Create VLAN screen include: ■ VLAN ID - Figure 15 Delete Screen Available options on this... access the Web interface. By default, all connected to be able to external devices, you will need to reset the Switch to factory settings. Creating a VLAN Use the Create VLANs screen to create VLANs on setting up to 256 VLANs, add specific ports to a chosen VLAN (...
User Guide
Page 39
...to disk. Figure 25 Configuration Screen ■ Click BACKUP to save a file to download and save the current configurations of the Switch. Resetting and Backing Up/Restoring Configuration Select the Configuration tab to its accompanying documentation. You will be lost. No configuration information will have ... takes place, and they may need to re-establish your Internet connection. Restart the Switch if you want to reboot their computers when the restart has completed and the Switch is operational again. For information on how to interpret the output on the port analyzer...
...to disk. Figure 25 Configuration Screen ■ Click BACKUP to save a file to download and save the current configurations of the Switch. Resetting and Backing Up/Restoring Configuration Select the Configuration tab to its accompanying documentation. You will be lost. No configuration information will have ... takes place, and they may need to re-establish your Internet connection. Restart the Switch if you want to reboot their computers when the restart has completed and the Switch is operational again. For information on how to interpret the output on the port analyzer...
User Guide
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...green. The upgrade procedure can be downloaded via HTTP and copied to the Switch; You may need to restart your configuration settings, 3Com recommends that you make a backup of system software that 3Com may make available. Although the upgrade process has been designed to preserve ... and then click Apply. Upgrading the System Software The Upgrade facility allows you to install on your Switch to those that were loaded at the factory, click RESET. the Switch will be able to see "Automatic IP Configuration" on your configuration changes. For security purposes, restoring...
...green. The upgrade procedure can be downloaded via HTTP and copied to the Switch; You may need to restart your configuration settings, 3Com recommends that you make a backup of system software that 3Com may make available. Although the upgrade process has been designed to preserve ... and then click Apply. Upgrading the System Software The Upgrade facility allows you to install on your Switch to those that were loaded at the factory, click RESET. the Switch will be able to see "Automatic IP Configuration" on your configuration changes. For security purposes, restoring...
User Guide
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...check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your local technical support representative. Click OK to Appendix A. See "Automatic IP Configuration" on . For more information. CAUTION: Resetting the Switch to factory defaults erases all your Switch, refer to confirm. ■ Powering off the Switch, and...Web interface after you set it, you will perform automatic IP configuration after you reset it back on page 29 for more information on the rear panel of the Switch. To reset the Switch to its factory defaults: 1 Using the tip of a pen (or a ...
...check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your local technical support representative. Click OK to Appendix A. See "Automatic IP Configuration" on . For more information. CAUTION: Resetting the Switch to factory defaults erases all your Switch, refer to confirm. ■ Powering off the Switch, and...Web interface after you set it, you will perform automatic IP configuration after you reset it back on page 29 for more information on the rear panel of the Switch. To reset the Switch to its factory defaults: 1 Using the tip of a pen (or a ...
User Guide
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... using the Discovery application, refer to the following topics in good condition. ■ The SFP module is correctly inserted. ■ A 3Com SFP module is being used for 1000BASE-T operation. After resetting the Switch, log on the front panel of cable is being used for instructions. Category 3 cables can be used . A fiber cable is...
... using the Discovery application, refer to the following topics in good condition. ■ The SFP module is correctly inserted. ■ A 3Com SFP module is being used for 1000BASE-T operation. After resetting the Switch, log on the front panel of cable is being used for instructions. Category 3 cables can be used . A fiber cable is...
User Guide
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... POST 16 powering on 16 power-on self-test See POST protocol defined 62 R rack-mounting 14 rear panel power supply 12 Recovery button 12 resetting to factory defaults 43 RJ-45 defined 62 ports 11 S server defined 62 SFP ports 8, 10 SFP transceivers 18 approved (supported) 18 inserting 18 ...removing 19 spot checks 19 subnet mask 62 switch defined 62 T TCP/IP 61 defined 62 traffic 63 monitoring 38 troubleshooting 43 forgotten IP address 43 forgotten password 43 LED-related issues 44 POST...
... POST 16 powering on 16 power-on self-test See POST protocol defined 62 R rack-mounting 14 rear panel power supply 12 Recovery button 12 resetting to factory defaults 43 RJ-45 defined 62 ports 11 S server defined 62 SFP ports 8, 10 SFP transceivers 18 approved (supported) 18 inserting 18 ...removing 19 spot checks 19 subnet mask 62 switch defined 62 T TCP/IP 61 defined 62 traffic 63 monitoring 38 troubleshooting 43 forgotten IP address 43 forgotten password 43 LED-related issues 44 POST...