Describes how the data path power-on timer manages Modular Port Adapter initialization on Cisco 8000 series routers and triggers an automatic reload when an MPA does not come up within 20 minutes.
A Modular Port Adapter (MPA) is a hardware component that
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provides flexible and scalable port configurations, and
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is used in networking equipment, such as routers and switches.
A data path power-on timer is used during the power-on sequence of a network device to manage the initialization, stabilization, and diagnostic processes of the data path components. If an MPA card doesn't come up within 20 minutes, the data path power-on timer expires, and the MPA goes for another reload to attempt recovery.
When a router enters an undefined state and disrupts the traffic due to the data path power-on timer expiry (timer associated with a data path has expired), reload the router using the reload location command.