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Cisco Bug: CSCut48074 - Flood in VTEP switch blocked on High Gig ports configured as sub-int

Last Modified

Aug 14, 2018

Products (11)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 9516 Switch
  • Cisco Nexus 9396PX Switch
  • Cisco Nexus 9396TX Switch
  • Cisco Nexus 9504 Switch
  • Cisco Nexus 3164Q Switch
  • Cisco Nexus 9332PQ Switch
  • Cisco Nexus 9508 Switch
  • Cisco Nexus 93128TX Switch
  • Cisco Nexus 9372PX Switch
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Known Affected Releases

7.0(3)I1(1) 7.0(3)I1(1.189)

Description (partial)

Random multicast traffic  is dropped by the VTEP switch .

When the Border leaf receives multicast traffic, it is supposed to flood the packet. But this is not being observed on some multicast packets. This is seen if subinterface is configured on any 40G TOR (93xx) uplink port.
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