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Cisco Bug: CSCvi52201 - NCS5500 is not able fragement multicast packet 224.x.x.x

Last Modified

Jan 18, 2019

Products (1)

  • Cisco Network Convergence System 5500 Series

Known Affected Releases

6.2.3.BASE 6.5.1.BASE

Description (partial)

On any OSPF neighborship do a ping to mcast address out of that interface with datagram size higher than MTU and we can see it does not fragment. But for the same datagram size if it was unicast ping then it does fragment and it works. Or datagram size below MTU but multicast destination it works.

NCS5k configured for OSPF which handles multicast ( & packet.
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