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Cisco Bug: CSCvs89617 - Flooded packet dropped on transit ToR on BL with disable remote IP learn

Last Modified

Oct 03, 2020

Products (24)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 9516 Switch
  • Cisco Nexus 9396PX Switch
  • Cisco Nexus 9396TX Switch
  • Cisco Nexus 93108TC-FX Switch
  • Cisco Nexus 93120TX Switch
  • Cisco Nexus 93240YC-FX2 Switch
  • Cisco Nexus 9372TX-E Switch
  • Cisco Nexus 9504 Switch
  • Cisco Nexus 93108TC-EX Switch
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Known Affected Releases

13.2(9b) 14.2(3l)

Description (partial)

Some ARP packets get dropped across the Cisco ACI fabric.

- BD is configured as flood in encap
- Disable remote EP learning global knob is set

This happens  mostly in topology where either:
- The pod is not full mesh 
- It is a multipod setup , the the packet may get dropped in the destination pod
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