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Cisco Bug: CSCvv64935 - N9k: port-security feature may not restrict traffic on the VPC port-channel

Last Modified

Oct 08, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases


Description (partial)

In the scenario where the port-security vPC port-channel is configured with violation restrict all source-miss traffic may be allowed by the hardware (due to misprogramming). This can be triggered by removing the port-security feature globally and reconfiguring it afresh.

The issue was reported and reproduced under certain conditions, like: 
1: Reaching port-security violation count 10 followed by the reconfigured port-security feature 

Note: other triggers are still possible
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Bug Details Include

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