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Cisco Bug: CSCup42509 - N30xx/31xx vPC secondary not building S,G

Last Modified

Nov 27, 2020

Products (7)

  • CiscoPro Workgroup EtherSwitch Software
  • Cisco Nexus 3064 Switch
  • Cisco Nexus 3016 Switch
  • Cisco Nexus 3064-T Switch
  • Cisco Nexus 3048 Switch
  • Cisco Nexus 3132Q Switch
  • Cisco Nexus 3172 Switch

Known Affected Releases

6.0(2)U3(1) 6.0(2)U4(1)

Description (partial)

N30xx/31xx vPC secondary is not building S,G

This behavior is seen when there is vPC attached source, vPC attached receiver, PIM-DR is on vPC primary, flow ingresses vPC Primary, and No RP is defined for this group.

The traffic must only need to be intervlan routed on these vPC peers and not required PIM state to be built on any other devices for an RP to not have to be defined.
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