Tim Stevenson wrote:
Please do a sh ip igmp snooping mrouter - is the trunk being learned as a mrouter port? Note that mrouter ports get all multicast traffic for all groups.

Tim

#sh ip igmp snooping mrouter
vlan            ports
-----+----------------------------------------
200  Gi1/26
201  Gi1/26
202  Gi1/26

IPtv router is on interface Gi1/26. This is good
On Gig 1/29 we have one of the "victim" switches without 200-202 vlans. On peak hour more than 250Mbps of traffic flood the victim without going out on any port. Luckily it doesn't go to the victim CPU.

--
Best regards,
Adrian Minta MA3173-RIPE, MA314-ROTLD, www.minta.ro


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