Describes how an automatic switchover from the active route processor to the standby occurs when the active RP encounters a serious system error.
Automatic switchover from the active RP to the standby RP occurs only if the active RP encounters a serious system error, such as the loss of a mandatory process or a hardware failure. When an automatic switchover occurs, the RPs respond in these ways:
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If a standby RP is installed and ready for switchover, the standby RP becomes the active RP. The original active RP attempts to reboot.
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If the standby RP is not in the ready state, then both RPs reboot. The first RP to boot successfully adopts the role of active RP.