Redundancy - Cisco Catalyst 4500 Series Command Reference Manual

Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches

redundancy

To enter the redundancy configuration mode, use the redundancy command in the global configuration
mode.
Syntax Description
This command has no arguments or keywords.
Defaults
This command has no default settings.
Command Modes
Global configuration mode
Command History Release
12.1(12c)EW
Usage Guidelines
The redundancy configuration mode is used to enter the main CPU submode.
To enter the main CPU submode, use the
The main CPU submode is used to manually synchronize the configurations on the two supervisor
engines.
From the main CPU submode, use the
configuration files in NVRAM.
Use the no command to disable redundancy. If you disable redundancy, then reenable redundancy, the
switch returns to default redundancy settings.
Use the exit command to exit the redundancy configuration mode.
Examples
This example shows how to enter redundancy mode:
Switch(config)# redundancy
Switch(config-red)#
This example shows how to enter the main CPU submode:
Switch(config)# redundancy
Switch(config-red)# main-cpu
Switch(config-r-mc)#
Related Commands
OL-25342 -01
redundancy
Modification
Support for this command was introduced on the Catalyst 4500 series switch
(Catalyst 4507R and 4510R only).
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.3.0SG and IOS 15.1(1)SG)
main-cpu command in the redundancy configuration mode.
auto-sync command to enable automatic synchronization of the
redundancy
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