Chapter 3 Troubleshooting
How to Replace a Failed Stack Member
•Enable or disable management through the external ports
•Change configuration
•Change or update firmware
For a switch stack, you can use the CLI to perform the same functions. For more information, see the switch module software configuration guide and the command reference on Cisco.com.
Using the Mode Button to Reset the Switch Module
You can use the Mode button to reset a standalone switch module.
Caution For a standalone switch module, resetting the switch module deletes the configuration and reboots the switch module.
For a standalone switch module, use a small pointed object to press and hold the Mode button on the switch module front panel. The switch module LEDs begin blinking after about 3 seconds. Continue holding down the Mode button. The LEDs stop blinking after 7 more seconds, and then the switch module reboots.
The switch module is now unconfigured. You can enter the switch module IP information by following the procedures described in the switch module getting started guide on Cisco.com,
For switch stacks, pressing and holding the Mode button on a member switch module causes the stack to reboot. It does not remove the configuration from any member switch.
How to Replace a Failed Stack Member
If you need to replace a failed stack member, you can hot swap or replace the switch module by following this procedure (only Catalyst 3110 switch modules):
1.Get a replacement switch module that has the same model number as the failed switch module.
2.Disconnect and remove any modules and cable connections.
3.Remove the failed switch module.
4.Install and then connect the replacement switch module to the stack.
If you had manually set the member numbers for any members in the stack, you need to manually assign the replacement switch module with the same member number as the failed switch module. To manually assign the member number, see the switch module software configuration guide on Cisco.com.
5.Make the same Gigabit Ethernet connections on the replacement switch module that were on the failed switch module.
6.Reinstall any modules and cable connections.
The replacement switch module will have the same configuration for all the interfaces as the failed switch module and will function the same as the failed switch module.
Catalyst Switch Module 3110G, 3110X, and 3012 for IBM BladeCenter Hardware Installation Guide
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