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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)

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.

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

1.	----06--
2.	----11--
3.	----3A--
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