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Cisco Bug: CSCuo66257 - 7SGW intermittently corrupting UDP checksum for GTPU packets in R15

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0 15.0(16)

Description (partial)

Symptom:
On a 4G network with an SGW on R15, intermittently downlink traffic towards EnodeB might be getting dropped by EnodeB because the UDP checksum on the GTPU packets is corrupted.

Conditions:
This issue can be reproduced for any eNodeB Data teid of following series,

1.	----06--
2.	----11--
3.	----3A--
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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