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Cisco Bug: CSCuq93721 - N7k - MTU max. payload size restricted to 9132 on OTV (instead of 9146)

Last Modified

Sep 11, 2019

Products (4)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch

Known Affected Releases

6.1(1)

Description (partial)

Symptom:
When MTU set to 9216 on all links and SVIs:    Maximum packet size in pings SHOULD be 9146 bytes (9216 ? 70 bytes)  [OTV+ICMP+IP header)] 

BUT in our case, size till max 9132 works. ( > 9132 drops)

Conditions:
6.1.1 release
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