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Cisco Bug: CSCsz59662 - StandbyRP stuck in not ready state due to TCP sync issue

Last Modified

May 14, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

3.6.3.BASE

Description (partial)

Symptom:

LDP didn't reach NSR ready state after a rack OIR. As a result, the standby RP also didn't become ready.

Conditions:

Repeated failures at LPTS level because of the rack OIR (covered by CSCsx74647) can cause failures in standby TCP when replicating sockets. As a result, standby LDP starts leaking the file descriptors. After a while, even after the LPTS issue goes away,  standby LDP would be unable to accept the replicated sockets because it leaked the maximum number of files it can open.
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