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Cisco Bug: CSCvs90012 - N9K 'feature dot1x' enabled causes vpc peer to punt traffic (new-learn on peer-link)

Last Modified

May 12, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

9.2(3) 9.3(3)

Description (partial)

Traffic from orphan Host1(Vlan A) to orphan Host2(Vlan B) is software switched on both N9Ks with 'feature dot1x' enabled causing high CPU. Traffic would need to travel via peer-link as hosts are orphan ports.

N9K-C9372 switches running nxos versions 9.2.3 or 9.3.3 in vpc and sending traffic across peer-link
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