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SERVICE INSTABILITY DUE TO DIFFERENT CONFIGURED LOCAL&REMOTE LDP KEEPALIVE HOLD TIMER

Publication Date:  2012-07-27 Views:  37 Downloads:  0
Issue Description
While different vendors are cooperating for a company, the configured timers are an important factor for the service stability. In my case after link failures are recovered, L2VPN Services are down because of different configured local&remote ldp keepalive  hold timers in case of a ring topology.
 
Alarm Information
All services are down.
Handling Process
If more than one LDP LSP links between two LSRs is set up, the timeout period of Keepalive hold timers of all the links must be the same. Otherwise, the session may become instable.
 
Root Cause
Please refer to attachment...
Suggestions
If more than one LDP LSP links between two LSRs is set up, the timeout period of Keepalive hold timers of all the links must be the same. Otherwise, the session may become instable. 

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