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Cisco Bug: CSCvv65667 - MAC ACL + MAC packet classification could not let IPv6 NS/NA pass through in N9K-C93600CD-GX

Last Modified

Oct 06, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

9.3(5)

Description (partial)

Symptom:
With the configuration of MAC ACL + MAC packet classification, the port will deny IPv6 NS/NA packets. It caused the IPv6 traffic could not go through the port.
Example configuration:
mac access-list test
  statistics per-entry
  10 permit any any 0x86dd  <<<<< ethertype of IPv6
 
interface Ethernet2/1
  switchport
  mac port access-group test
  mac packet-classify
  no shutdown

Conditions:
9.3.5
Port is configured with MAC ACL + MAC packet classification.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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