Reference Guide

Stacking | 871
• If one of the new stacks receives neither the master nor the standby unit, the stack is reset so that a new
election takes place.
Managing Redundant Stack Management
To manage the redundancy behavior in a stack, use the following redundancy commands.
Reset a Unit on a Stack
Use the following reset commands to reload any of the member units or the standby in a stack. If you try to
reset the stack master, an error message is displayed:
Reset of master unit is not allowed.
Task Command Syntax Command Mode
Reset the current stack master and make the
standby unit the new master. A new standby is
elected. When the previous stack master comes
back online, it becomes a member unit.
redundancy force-failover stack-unit
EXEC Privilege
Prevent the stack master or stack unit from
rebooting after a failover. This command does
not affect a forced failover, manual reset, or a
stack-link disconnect.
redundancy disable-auto-reboot stack-unit
CONFIGURATION
Display redundancy information.
show redundancy
EXEC Privilege
Task Command Syntax Command Mode
Reload a stack unit from the master switch
reset stack-unit unit-number
EXEC Privilege
Reload a member unit from the unit itself.
reset-self
EXEC Privilege
Reset a stack-unit when the unit is in a problem state.
reset stack-unit unit-number
hard
EXEC Privilege