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## Related Documentation

- Stateful SRP Switchover Redundancy Modes
- Guidelines for Activating High Availability
- redundancy
- mode

# Activating High Availability

The switch route processor (SRP) module can operate in one of the two redundancy modes—file system synchronization and high availability. When you activate high availability, the router uses mirroring to keep the configuration and state of the standby SRP module coordinated with the configuration and state of the active SRP module.

To activate high availability:

1. From Global Configuration mode, launch Redundancy Configuration mode.
   host1(config)#redundancy
2. In Redundancy Configuration mode, specify high availability as the redundancy mode.
   host1(config-redundancy)#mode high-availability

## Related Documentation

- Stateful SRP Switchover Redundancy Modes
- Guidelines for Activating High Availability
- redundancy
- mode

#### Published: 2011-03-24

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