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Cisco Bug: CSCuo71433 - S2T: multicast flood with igmp snooping enabled

Last Modified

Feb 02, 2017

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

15.2(4)S

Description (partial)

Symptom:
Multicast is flooding for all ports even with IGMP snooping configured and no receivers behind these ports.

Conditions:
1) VS-SUP2T-10G with DFC modules

2) Egress multicast replication mode

3) MET vlan should be changed in config from default:
vlan internal reserved met vlan <#>
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