Customer have configured intra-board 1+1 protection on LDX card. During failover testing, he noticed that client port configured for protection drops during failover, causing the routing protocol to drop on the router. The ports and protocol stayed alive when the router ports for configured with a hold-off timer of 100ms.
The question is how much is the switching time for intra-board 1+1 protection.
The switching time for Intra-Board 1+1 Protection is around 50ms, excluding detection time.