Administrator Guide

The default is 0.
Managing Redundancy on a Stack
Use the following commands to manage the redundancy on a stack.
• Reset the current management unit and make the standby unit the new master unit.
EXEC Privilege mode
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
You may reset any stack unit except for the master management unit, as shown in the following message.
% 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 light of the LED status indicator on the front panel of the stack identifies the unit’s role in the stack.
• Off indicates the unit is a stack member.
• The master LED is in OFF state for the standby unit.
• Solid green indicates the unit is the stack master (management unit).
Stacking
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