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Cisco Bug: CSCur35252 - The Syslog and Netflow packets generated by VSM have UDP checksum 0!

Last Modified

Jan 07, 2017

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

5.3.0.BASE

Description (partial)

Symptom:
The UDP Netflow or Syslog packets containing the NAT translation information have UDP checksum of 0.

Conditions:
This issue is seen only when VSM is used on ASR9K for NAT44/NAT64/DS Lite applications and the translation logging is enabled.
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