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Cisco Bug: CSCta29118 - Known Limitation: Menlo is not supporting more than 64 Multicast IDX

Last Modified

Feb 21, 2017

Products (1)

  • Cisco Unified Computing System

Known Affected Releases


Description (partial)

Broadcast packet does not reach even if the promiscus mode is set on Server.
IGMP Join group is seen on Fabric connect, but still multicast packets are not reaching
the server for those multicast groups which were added after the multicast table
on the adapter is full.


When Springfield is configured in ENM mode and when adapter/server becomes part 
of more than 32 VLAN in the trunk mode. Check the output of

show ip igmp snooping 

You will see single interface (veth) part of more groups than what Menlo can 
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Known Fixed Releases
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