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Cisco Bug: CSCup91114 - PTP packets gets dropped on MPLS PHP node

Last Modified

Dec 11, 2015

Products (1)

  • Cisco ASR 920 Series Aggregation Services Router

Known Affected Releases

15.4(3)S 15.5(1)S

Description (partial)

Symptom:
PTP session is not formed with the master if the path is MPLS.

Conditions:
This is seen when ASR920 is acting as MPLS PHP node and the slave node advertises implicit-null label for PTP loopback for peering with the master. This is not seen if slave node advertises explicit-null label to ASR920 sitting as PHP.
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