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Cisco Bug: CSCuq19357 - frame size calculation in L2TP ucode includes internal headers

Last Modified

Jan 05, 2017

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

5.2.0.BASE

Description (partial)

Symptom:
Unexpected packet fragmentation. NP counter RSV_PUNT_IP_MTU_EXCEEDED is incrementing unexpectedly.

Conditions:
Observed on ASR9000 Enhanced Ethernet Line Cards (aka Typhoon), when both L2TP and monitor-session (aka SPAN) are enabled.
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