redundancy force-failover stack-unit
A new standby is elected. When the former stack master comes back online, it becomes a member
unit.
• Prevent the stack master from rebooting after a failover.
CONFIGURATION mode
redundancy disable-auto-reboot stack-unit
This command does not affect a forced failover, manual reset, or a stack-link disconnect.
• Display redundancy information.
EXEC Privilege mode
show redundancy

Resetting a Unit on a Stack

To reload any of the member units or the standby in a stack, use the following reset commands.
If you try to reset the stack master, an error message displays:
% Error: Reset of master unit is not allowed.
To rest a unit on a stack, use the following commands.
• Reload a stack-unit.
EXEC Privilege mode
reset stack-unit unit-number
• Reload a member unit, from the unit itself.
EXEC Privilege mode
reset-self
• Reset a stack-unit when the unit is in a problem state.
EXEC Privilege mode
reset stack-unit unit-number hard
Verify a Stack Configuration
The following lists the status of a stacked switch according to the color of the System Status light
emitting diodes (LEDs) on its front panel.
• Blue indicates the switch is operating as the stack master or as a standalone unit.
• Off indicates the switch is a member or standby unit.
• Amber indicates the switch is booting or a failure condition has occurred.
Stacking 897