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Cisco Bug: CSCvt44918 - Incorrect PMTU programmed for XE SDWAN router tunnel control-plane while data-plane is correct

Last Modified

Oct 23, 2020

Products (6)

  • Cisco SD-WAN
  • Cisco XE SD-WAN Routers
  • Cisco 1000 Series Integrated Services Routers
  • Cisco 4000 Series Integrated Services Routers
  • Cisco ASR 1000 Series Aggregation Services Routers
  • Cisco Cloud Services Router 1000V Series

Known Affected Releases

16.12.2r 17.3.1

Description (partial)

In some instances, a XE SDWAN router may show an incorrect PMTU in 'show sdwan tunnel statistics' while the BFD LD has the correct PMTU negotiated.

This has been observed after a reload but may occur in other instances.
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