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The redundant supervisor module is an auxiliary (standby) supervisor module that acts as a fault-tolerant supervisor in the event that the active supervisor fails. The redundant supervisor provides a seamless solution to switch failure. Once the redundant supervisor is installed, loaded with the same software version as the active supervisor, and synchronized, it is ready to act as a backup to the active supervisor. If the active supervisor does fail, the redundant module quickly assumes control with the least possible effect on network operation. No user intervention is required for the CPU module switchover. The management view is accessible without changing IP or MAC addresses.
For more information about the redundant supervisor module, see Chapter 10:�Configuring Redundancy Options.
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