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Cisco Bug: CSCvt33028 - Part of double encapsulated frames dropped with TunnelDecapTooManyTimes code reason

Last Modified

Aug 29, 2020

Products (1)

  • Cisco 3G Wireless WAN

Known Affected Releases

16.9.5

Description (partial)

Symptom:
About 6% packet drop causing retransmission and reduced throughput. Packets are dropped with TunnelDecapTooManyTimes code reason.

Conditions:
WCCP GRE encapsulated return frames arrive over GRE tunnel, and the source IP of the inner packet is reachable ove the same physical interface as the tunnel peer.
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