• Stack member 1 is the stack master
• Stack member 3 is a provisioned switch
and want to remove the provisioned information and to avoid receiving an error message, you can
remove power from stack member 3, disconnect the cables between the stack member 3 and switches
to which it is connected, reconnect the cables between the remaining stack members, and enter the
no switch stack-member-number provision global configuration command.
Troubleshooting the Switch Stack
Temporarily Disabling a Stack Port
If a stack port is flapping and causing instability in the stack ring, to disable the port, enter the switch
stack-member-number stack port port-number disable privileged EXEC command. To reenable the port,
enter the switch stack-member-number stack port port-number enable command.
Be careful when using the switch stack-member-number stack port port-number disable command. When
you disable the stack port, the stack operates at half bandwidth.
Note
A stack is in the full-ring state when all members are connected through the stack ports and are in the ready
state.
The stack is in the partial-ring state when the following occurs:
• All members are connected through their stack ports but some are not in the ready state.
• Some members are not connected through the stack ports.
Procedure
PurposeCommand or Action
Disables the specified stack port.
switch stack-member-number stack port
port-number disable
Step 1
Example:
Switch# switch 2 stack port 1 disable
Reenables the stack port.
switch stack-member-number stack port
port-number enable
Step 2
Example:
Switch# switch 2 stack port 1 enable
When you disable a stack port and the stack is in the full-ring state, you can disable only one stack port. This
message appears:
Managing Switch Stacks
18
Managing Switch Stacks
Troubleshooting the Switch Stack
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