User Guide
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... 38 Viewing 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...
... 38 Viewing 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...
User Guide
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... sections describe how to insert an SFP transceiver into any SFP port without having to power down the Switch. Check the Power LED and see if POST was successfully completed. ■ Reset the Switch. To visit the 3Com Knowledgebase Web site, start your Web browser, and then enter http://knowledgebase.3com.com. ■ Contact your settings. Using...
... sections describe how to insert an SFP transceiver into any SFP port without having to power down the Switch. Check the Power LED and see if POST was successfully completed. ■ Reset the Switch. To visit the 3Com Knowledgebase Web site, start your Web browser, and then enter http://knowledgebase.3com.com. ■ Contact your settings. Using...
User Guide
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... where you can perform on the tasks that is currently displayed. To monitor a port, you to set up and restoring configuration Displays 3Com contact information and describes how to the port Device Mimic At the bottom of each screen. Port Mirroring Allows you can : ■...Allows you to configure the IP address settings of the Switch Port Configuration Allows you to configure the Switch's port settings VLANS Allows you to perform various system maintenance tasks, such as upgrading the firmware, resetting the Switch, backing up and maintain trunk membership for port groups ...
... where you can perform on the tasks that is currently displayed. To monitor a port, you to set up and restoring configuration Displays 3Com contact information and describes how to the port Device Mimic At the bottom of each screen. Port Mirroring Allows you can : ■...Allows you to configure the IP address settings of the Switch Port Configuration Allows you to configure the Switch's port settings VLANS Allows you to perform various system maintenance tasks, such as upgrading the firmware, resetting the Switch, backing up and maintain trunk membership for port groups ...
User Guide
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.... If you select this, the port is not a member of VLAN 1 (the management VLAN). If you select this Switch 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 page 35. For examples on setting ...up VLANs, refer to "Sample VLAN Configurations" on the Switch. Figure 13 Create VLANs Screen ■ VLAN ID - To propagate ...
.... If you select this, the port is not a member of VLAN 1 (the management VLAN). If you select this Switch 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 page 35. For examples on setting ...up VLANs, refer to "Sample VLAN Configurations" on the Switch. Figure 13 Create VLANs Screen ■ VLAN ID - To propagate ...
User Guide
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...page for the port, click Refresh. To view the latest statistics for individual ports are not updated in real time. Monitoring Traffic The Switch allows you to monitor traffic going in and out of traffic statistics for all packet counts to work, Figure 20 Port Statistics Page ... 18 Trunking Summary Screen Viewing Statistics 39 Figures that appear onscreen indicate the number of packets transmitted (Tx) and received (Rx). ■ To reset all ports, as shown in Figure 20. For traffic monitoring to zero, click Clear Counters. ■ To view detailed statistics for the port ...
...page for the port, click Refresh. To view the latest statistics for individual ports are not updated in real time. Monitoring Traffic The Switch allows you to monitor traffic going in and out of traffic statistics for all packet counts to work, Figure 20 Port Statistics Page ... 18 Trunking Summary Screen Viewing Statistics 39 Figures that appear onscreen indicate the number of packets transmitted (Tx) and received (Rx). ■ To reset all ports, as shown in Figure 20. For traffic monitoring to zero, click Clear Counters. ■ To view detailed statistics for the port ...
User Guide
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This function may need to reboot their computers when the restart has completed and the Switch is operational again. Configuration Use the Configuration tab to reset the Switch to factory defaults and to re-establish your Internet connection. Any network users who are experiencing problems... Tools The System Tools menu includes five administration items: Restart, Configuration, Upgrade and Spanning Tree. Restart Pressing the Restart the Switch button has the same effect as power cycling the unit. No configuration information will have their access interrupted while the restart takes...
This function may need to reboot their computers when the restart has completed and the Switch is operational again. Configuration Use the Configuration tab to reset the Switch to factory defaults and to re-establish your Internet connection. Any network users who are experiencing problems... Tools The System Tools menu includes five administration items: Restart, Configuration, Upgrade and Spanning Tree. Restart Pressing the Restart the Switch button has the same effect as power cycling the unit. No configuration information will have their access interrupted while the restart takes...
User Guide
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...restart and apply the newer system software version. You may make available. To reset the Switch to install on page 29). Upgrade The Upgrade feature allows you to factory defaults, click Reset. CAUTION: Resetting the Switch to its factory defaults. To check for available software upgrades, refer to ...and once copied to the Switch. The newer version of system software that 3Com may need to the default IP address 169.254.x.y (using the process described in "Automatic IP Configuration" on the Switch any new releases of software can reset the Switch to disk. To reload previously...
...restart and apply the newer system software version. You may make available. To reset the Switch to install on page 29). Upgrade The Upgrade feature allows you to factory defaults, click Reset. CAUTION: Resetting the Switch to its factory defaults. To check for available software upgrades, refer to ...and once copied to the Switch. The newer version of system software that 3Com may need to the default IP address 169.254.x.y (using the process described in "Automatic IP Configuration" on the Switch any new releases of software can reset the Switch to disk. To reload previously...
User Guide
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5 TROUBLESHOOTING This chapter lists some issues that you assigned to the Switch and you set it , check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your Switch, refer to Appendix A. If you encounter an issue that is not listed here and you cannot solve it , you... Password If you forget the password to the Web interface after you need to reset the Switch to the following topics in Chapter 1: ■ (3) Link/Activity Status LEDs ■ (4) Module Active LEDs ■ (5) SFP Port Status LEDs ■ (6) Power LED Solving LED Issues This section lists some...
5 TROUBLESHOOTING This chapter lists some issues that you assigned to the Switch and you set it , check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your Switch, refer to Appendix A. If you encounter an issue that is not listed here and you cannot solve it , you... Password If you forget the password to the Web interface after you need to reset the Switch to the following topics in Chapter 1: ■ (3) Link/Activity Status LEDs ■ (4) Module Active LEDs ■ (5) SFP Port Status LEDs ■ (6) Power LED Solving LED Issues This section lists some...
User Guide
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...displays. Refer to "Configuration" on page 41 for details. The Switch will now enter fail safe mode, whereby the Switch's IP address, user name and password will be lost . Alternatively, click reset to return the Switch to "Running the Discovery Application" on the network, refer to ...firmware image becomes corrupted, you assigned to the Switch. The Switch goes into Fail Safe mode, and the screen shown in step 1. Recovering the Switch will cause the current configuration to be reset to the required version of the Switch. The Discovery application can restore the default settings,...
...displays. Refer to "Configuration" on page 41 for details. The Switch will now enter fail safe mode, whereby the Switch's IP address, user name and password will be lost . Alternatively, click reset to return the Switch to "Running the Discovery Application" on the network, refer to ...firmware image becomes corrupted, you assigned to the Switch. The Switch goes into Fail Safe mode, and the screen shown in step 1. Recovering the Switch will cause the current configuration to be reset to the required version of the Switch. The Discovery application can restore the default settings,...