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Cisco Bug: CSCtb95741 - vPC over FEX host PO not up with explicit STP parameter config on PO

Last Modified

Feb 28, 2018

Products (3)

  • Cisco Nexus 5000 Series Switches
  • Cisco Nexus 5020 Switch
  • Cisco Nexus 5010 Switch

Known Affected Releases

4.1(3)N1(1) 4.1(3)N2(1) 5.0(2)N1(1)

Description (partial)

vPC configured on port-channel with FEX host interface as a member does not come up. 'show vpc inconsistency' shows STP parameters as mismatched.

The sequence of configuration that leads to this scenario:
   1. Configure port-channel on FEX host interface.
   2. Configure spanning tree parameters (eg. port-type edge) on the port-channel.
   3. Configure vpc on the the port-channel
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