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Cisco Bug: CSCvs32425 - The "ip igmp static-oif" command can take effect on the PIM DR and non-DR interfaces (SVI)

Last Modified

Jul 20, 2020

Products (59)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 3548-X Switch
  • Cisco Nexus 3548 Switch
  • Cisco Nexus 9516 Switch
  • Cisco Nexus 92348GC-X Switch
  • Cisco Nexus 3636C-R Switch
  • Cisco Nexus 93108TC-FX Switch
  • Cisco Nexus 9396PX Switch
  • Cisco Nexus 92304QC Switch
  • Cisco Nexus 3132Q-V Switch
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Known Affected Releases

7.0(3)I7(7) 9.3(1)

Description (partial)

Duplicated multicast trafic is observed when two Nexus 9000 are PIM neighbors and have  static-oif configured on both side for the same interface Vlan.
Both Nexus 9000 (DR and non-DR interfaces) will have the static OIF for SVI and it causes the duplicate multicast traffic due to two valid OIFs.

Two Nexus 9000 as PIM neighbors (no vPC) connected using L3 link.
Interface Vlan with "ip igmp static-oif x.x.x.x" configured on on both of the Nexus 9000. 
PIM SSM specific to multicast group
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