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Cisco Bug: CSCuj22176 - traffic loss on vPC trunk with 1K vlans after the reload of vPC+ primary

Last Modified

Feb 15, 2019

Products (7)

  • Cisco Nexus 6000 Series Switches
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 6004 Switch
  • Cisco Nexus 6001 Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5596T Switch

Known Affected Releases

5.2(1)N1(5) 6.0(2)N1(2a)

Description (partial)

On a Nexus 5000 vPC+ pair, reloading the primary vPC switch causes up to 4-5 seconds of traffic loss during the vPC reconvergence.

Nexus 5000 vPC+ pair is part of a FabricPath domain with 1000 FabricPath vlans configured in the vlan database and 1000 vlans permitted on the vPC trunk allowed vlan list.
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Bug Details Include

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