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Cisco Bug: CSCur54597 - IGMP snooping removes OIF if only one GSQ is responded to

Last Modified

Feb 19, 2018

Products (10)

  • Cisco Nexus 6000 Series Switches
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 6004 Switch
  • Cisco Nexus 5672UP Switch
  • Cisco Nexus 6001 Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5696Q Switch
  • Cisco Nexus 56128P Switch
  • Cisco Nexus 5596T Switch

Known Affected Releases

7.0(4)N1(1)

Description (partial)

Symptom:
Multicast receivers experience a gap in multicast flows following another receiver for the same feed on the VLAN leaves the group.

Conditions:
This behavior has been seen for IGMPv3 groups where the application only responds to the fist GSQ sent by the querier within the MRT.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Related Community Discussions
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