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How to Locate the Cause of the Problem that an LDP Session Flaps After a Hello Hold Timer Expires?

Latest reply: May 19, 2017 06:18:23 1285 1 0 0 0
How to Locate the Cause of the Problem that an LDP Session Flaps After a Hello Hold Timer Expires?
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Created May 19, 2017 06:18:23

When the Hello Hold timer expires, you can run the display mpls ldp interface command to check whether both ends of the LDP session can send Hello messages. If Hello messages are not sent normally, the possible cause is that the system is busy or a fault occurs in the system. If Hello messages are normally sent but fail to be received, the possible cause is that the transmission on links is abnormal. In this case, you can ping the IP address of the peer interface to check the forwarding status.
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