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Cisco Bug: CSCvi05237 - FlexVPN Virtual-Access MTU calculated incorrectly

Last Modified

Nov 11, 2019

Products (1)

  • Cisco IOS

Known Affected Releases

15.5(3.0c)M3

Description (partial)

Symptom:
The following messages may be observed during setup of spoke-spoke tunnels in FlexVPN setup:

%TUN-4-MTUCONFIGEXCEEDSTRMTU_IPV4: Virtual-Access6 IPv4 MTU configured 1400 exceeds tunnel transport MTU 1376

The traffic is forwarded nevertheless

Conditions:
FlexVPN spoke-spoke
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