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Cisco Bug: CSCun29142 - L2Mcast:mrouter Tor sending traffic on-all ports with no joins on it

Last Modified

Aug 13, 2014

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

6.1(1.735)

Description (partial)

Symptom:
On Egress/Transit TOR, we will flood Unknown IP Multicast packets in the incoming BD if there is atleast one Mrouter port on any BD.

Conditions:
When BD's flag of UnkonwnMcastAction is in Flood mode, the unknown IP Multicast packets will be flooded on egress or transit tors.
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