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Cisco Bug: CSCuw52501 - GBMR1: Multicast traffic loss post ISSU due to incorrect PIM DR election

Last Modified

Feb 15, 2018

Products (9)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 4-Slot Switch
  • Cisco Nexus 7700 6-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7700 18-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch
  • Cisco Nexus 7700 10-Slot Switch
  • Cisco Nexus 7700 2-Slot Switch

Known Affected Releases

7.2(1)D1(0.93) 7.2(2)D1(2)

Description (partial)

Receiver doesn't get traffic from source ( RP doesn't get register packet from first hop router)

In LAN, when more than one PIM node exists, the router higher metrics may not elect DR as himself ( When all nodes support dr priority)
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