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Cisco Bug: CSCtf43373 - Intermittent connectivity issue when a fabric bounces

Last Modified

Feb 02, 2017

Products (2)

  • Cisco Nexus 1000V Switch for VMware vSphere
  • Cisco Nexus 1000V Switch

Known Affected Releases


Description (partial)

In vPC-HM topology, that is N1K VEM is connected to different upstream switches, when one of the switch goes down and come back (fabric failed and came back), you may notice intermittent connectivity issue


In vPC-HM topology, N1K VEM is connected different upstream switches, when one of the fabrics goes down and come back up.
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