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Cisco Bug: CSCur44639 - 1 in every 65535 packets being dropped by cgn map-t on ASR9K with VSM

Last Modified

May 09, 2018

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

5.2.1.CE 5.3.2.BASE

Description (partial)

Symptom:
1 in every 65535 packets being dropped by cgn map-t.

"MDF_OPEN_NETWORK_SERVICE_DONE_WTIH_SVC" counter gets incremented on the np with each dropped packet.

Conditions:
When a traffic stream with TCP headers is sent from a traffic generator and the packet has a TCP checksum of 0x7b47.
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