User Guide
Page 4
... the Trunk Summary 38 Viewing Statistics 39 Monitoring Traffic 39 Running Cable Diagnostic 40 Using the System Tools 41 Restart 41 Configuration 41 Resetting to Factory Defaults 42 Backing Up and Restoring Configuration 42 Upgrade 42 Spanning Tree 43 Support 44 5 TROUBLESHOOTING Forgotten Password 45 Forgotten Static IP Address 45 Solving...
... the Trunk Summary 38 Viewing Statistics 39 Monitoring Traffic 39 Running Cable Diagnostic 40 Using the System Tools 41 Restart 41 Configuration 41 Resetting to Factory Defaults 42 Backing Up and Restoring Configuration 42 Upgrade 42 Spanning Tree 43 Support 44 5 TROUBLESHOOTING Forgotten Password 45 Forgotten Static IP Address 45 Solving...
User Guide
Page 11
...This returns the Switch to the factory default settings if, for details. The Switch comes with the recesses of the lower unit. Place the unit on top of the unit. Package Contents 11 Package Contents Before installing and using the Switch, verify that is... button reinitializes the Switch. If any of the Switch contains a power supply socket and a recovery button. (8) Power Socket The Switch automatically adjusts to be lost. CAUTION: 3Com recommends that you back up your configuration settings before you recover the Switch, otherwise your 3Com network supplier immediately...
...This returns the Switch to the factory default settings if, for details. The Switch comes with the recesses of the lower unit. Place the unit on top of the unit. Package Contents 11 Package Contents Before installing and using the Switch, verify that is... button reinitializes the Switch. If any of the Switch contains a power supply socket and a recovery button. (8) Power Socket The Switch automatically adjusts to be lost. CAUTION: 3Com recommends that you back up your configuration settings before you recover the Switch, otherwise your 3Com network supplier immediately...
User Guide
Page 17
... browser, and then enter http://knowledgebase.3com.com. ■ Contact your settings. Inserting an SFP Transceiver To be recognized as valid, the SFP transceiver must have the following : ■ Power off the Switch, and then power it on again. CAUTION: Resetting the Switch to its factory defaults erases all your 3Com network supplier for assistance. You can...
... browser, and then enter http://knowledgebase.3com.com. ■ Contact your settings. Inserting an SFP Transceiver To be recognized as valid, the SFP transceiver must have the following : ■ Power off the Switch, and then power it on again. CAUTION: Resetting the Switch to its factory defaults erases all your 3Com network supplier for assistance. You can...
User Guide
Page 34
... to either VLAN 0 or 1 as a tagged member. Each port will initially have no leading zeroes). If you will need to reset the Switch to factory settings. CAUTION: At least one option can be associated with other ports assigned to the same VLAN selected in the VLAN ID drop down menu... VLAN (1-4094, no ports associated with all connected to configure the port mode of VLAN 1 (the management VLAN). However, they are all VLANs on the Switch. ■ U - If you will no longer be an untagged member of a selected VLAN. Untagged. Modify VLANs Click the icon under "All". If you...
... to either VLAN 0 or 1 as a tagged member. Each port will initially have no leading zeroes). If you will need to reset the Switch to factory settings. CAUTION: At least one option can be associated with other ports assigned to the same VLAN selected in the VLAN ID drop down menu... VLAN (1-4094, no ports associated with all connected to configure the port mode of VLAN 1 (the management VLAN). However, they are all VLANs on the Switch. ■ U - If you will no longer be an untagged member of a selected VLAN. Untagged. Modify VLANs Click the icon under "All". If you...
User Guide
Page 41
No configuration information will have their computers when the restart has completed and the Switch is operational again. Restart Pressing the Restart the Switch button has the same effect as power cycling the unit. Any network users who are experiencing problems and you are ...reboot their access interrupted while the restart takes place, and they may be lost. Configuration Use the Configuration tab to reset the Switch to factory defaults and to re-establish your Internet connection. Figure 22 Cable Diagnostic Screen Using the System Tools 41 Figure 23 Restart Screen Using...
No configuration information will have their computers when the restart has completed and the Switch is operational again. Restart Pressing the Restart the Switch button has the same effect as power cycling the unit. Any network users who are experiencing problems and you are ...reboot their access interrupted while the restart takes place, and they may be lost. Configuration Use the Configuration tab to reset the Switch to factory defaults and to re-establish your Internet connection. Figure 22 Cable Diagnostic Screen Using the System Tools 41 Figure 23 Restart Screen Using...
User Guide
Page 42
... normally or if the firmware becomes corrupted, you can be prompted to download and save a file to factory defaults, click Reset. Backing Up and Restoring Configuration To back up the Switch's setting to the default IP address 169.254.x.y (using the process described in "Automatic IP Configuration".... The newer version of system software that 3Com may need to reconfigure the Switch after you to install on page 49. The Switch LAN IP address will be downloaded via HTTP and once copied to re-establish communication with the Switch. Upgrade The Upgrade feature allows you reset it...
... normally or if the firmware becomes corrupted, you can be prompted to download and save a file to factory defaults, click Reset. Backing Up and Restoring Configuration To back up the Switch's setting to the default IP address 169.254.x.y (using the process described in "Automatic IP Configuration".... The newer version of system software that 3Com may need to reconfigure the Switch after you to install on page 49. The Switch LAN IP address will be downloaded via HTTP and once copied to re-establish communication with the Switch. Upgrade The Upgrade feature allows you reset it...
User Guide
Page 45
...3com.com before contacting your Switch, refer to Appendix A. blank (no password) Forgotten Static IP Address If you forget the static IP address that is not listed here and you need to reset the Switch to regain access. For information on basic LED checks, refer to Factory... Defaults" on page 42 for your local technical support representative. admin ■ Password - See "Resetting to the following topics in Chapter 1: ■ (3) Link/Activity Status LEDs ■ (4) Module Active LEDs ■ (5) SFP Port Status LEDs ■ (6) Power LED After resetting the Switch, ...
...3com.com before contacting your Switch, refer to Appendix A. blank (no password) Forgotten Static IP Address If you forget the static IP address that is not listed here and you need to reset the Switch to regain access. For information on basic LED checks, refer to Factory... Defaults" on page 42 for your local technical support representative. admin ■ Password - See "Resetting to the following topics in Chapter 1: ■ (3) Link/Activity Status LEDs ■ (4) Module Active LEDs ■ (5) SFP Port Status LEDs ■ (6) Power LED After resetting the Switch, ...
User Guide
Page 47
... IP address, or you forget the user name or password that you can be reset to the factory defaults. 4 Click on the Restart the Switch button. 5 Restore the configuration file that you need to upgrade the firmware, refer to be lost . The Discovery application can restore ...how to use Discovery to detect the Switch on the network, refer to "Running the Discovery Application" on -screen instructions to upgrade the Switch to its factory default settings. Alternatively, click reset to return the Switch to the required version of the Switch. The firmware image has become corrupted If...
... IP address, or you forget the user name or password that you can be reset to the factory defaults. 4 Click on the Restart the Switch button. 5 Restore the configuration file that you need to upgrade the firmware, refer to be lost . The Discovery application can restore ...how to use Discovery to detect the Switch on the network, refer to "Running the Discovery Application" on -screen instructions to upgrade the Switch to its factory default settings. Alternatively, click reset to return the Switch to the required version of the Switch. The firmware image has become corrupted If...