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Cisco Bug: CSCvv61267 - PMTUD is not able to calculate MTU correctly when MTU changes in path on Vedge.

Last Modified

Oct 13, 2020

Products (1)

  • Cisco SD-WAN

Known Affected Releases

18.4.5 19.2.1

Description (partial)

Symptom:
PMTUD is not working when MTU changes in path on vEdge2000

Conditions:
running PMTUD on vEdge2000 with 19.2.1, MTU need to change hard code in upstream routers.
MTU change on directly connected next hop interface is calculated correctly.
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