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Cisco Bug: CSCvu63081 - FEX 2248 dropping multicast during IGMP update from client on a different FEX

Last Modified

Sep 18, 2020

Products (12)

  • Cisco Nexus 5000 Series Switches
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 6004 Switch
  • Cisco Nexus 5624Q Switch
  • Cisco Nexus 5672UP Switch
  • Cisco Nexus 6001 Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 56128P Switch
  • Cisco Nexus 5696Q Switch
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Known Affected Releases

7.1(4)N1(1)

Description (partial)

Symptom:
FEX N2K-C2248TP-E-1GE with a Nexus 5000 parent switch is intermittently dropping a small number of multicast packets during IGMP updates coming to the parent switch.

Conditions:
The issue happens only during IGMP update the parent Nexus switch. In particular, it is seen when parent Nexus 5K receives IGMP leave report from a host connected to a different FEX.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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