Nortel Networks NTRN10AN, 3500 manual 16Operation, administration, and maintenance OAM features

2-16Operation, administration, and maintenance (OAM) features

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Step Action

9Node 3 receives the ‘Bridged’ status indication from Node 4. Node 3 enters into the ‘Bridged and Switched’ state. Traffic received on the protection channels are then routed as if they were received from the failed working link. Node 4 then sends a message to Node 3 indicating that it has entered into the ‘Bridged and Switched’ state.

•source node (Node 3)

•destination node (Node 4)

•type of switch request (Signal Degrade)

•path direction (Long)

•node status (’Bridged and Switched’)

Note: Depending on the cross-connects provisioned, Node 3 will then either drop traffic at the add/drop multiplexer or route traffic back out onto the working channels of the ring.

10Switch is complete.

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OPTera Metro 3500 Multiservice Platform NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004