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Cisco Bug: CSCum32811 - Mcast pkts received on L3 ports to VxLAN groups must not be CPU punted

Last Modified

Sep 12, 2014

Products (7)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 9516 Switch
  • Cisco Nexus 9396PX Switch
  • Cisco Nexus 9504 Switch
  • Cisco Nexus 3164Q Switch
  • Cisco Nexus 9508 Switch
  • Cisco Nexus 93128TX Switch

Known Affected Releases

6.1(2)I1(1.122) 6.1(2)I2(2a)

Description (partial)

Multicast packets getting punted to CPU and no mroute gets created.

Packets received by a switch on a routed interface on a group configured as VxLAN delivery group get punted to the CPU. However, software does not install an (S,G) group for such a group, and hence such packets keep coming to the CPU. They are rate limited by the hardware policers
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