Methods and apparatus for multicast traffic failover in a network

摘要

An apparatus includes an access switch having a set of ports and configured to be operatively coupled to a multicast router via a first port from the set of ports. The access switch is configured to be associated with a network associated with the multicast router, and designate the first port as a multicast-router interface during a time period. The access switch is configured to send a message to the multicast router via each port from the set of ports in response to an indication of a change in a topology of the network after the time period. The access switch is configured to designate a second port from the set of ports as the multicast-router interface and dedesignate the first port as the multicast-router interface in response to receiving, via the second port and in response to the message, a signal from the multicast router.

主权项

1. An apparatus, comprising:
an access switch having a set of ports, the access switch configured to be operatively coupled to a multicast router via a data path including a first port from the set of ports, the access switch configured to be associated with a network associated with the multicast router, the access switch configured to designate the first port as a multicast-router interface, the access switch configured to send a message to the multicast router via each port from the set of ports in response to an indication of a change in a topology of the network, the access switch configured to receive, via a subset of ports from the set of ports, a signal from the multicast router in response to the message, the access switch configured to select a port from the subset of ports to designate as the multicast-router interface based on at least one of a predetermined priority ranking or an order of receipt of the response to the message, the access switch configured to designate the port from the subset of ports as the multicast-router interface.