[c-nsp] IGMP snooping ME6500

Adrian Minta adrian.minta at gmail.com
Mon Jul 13 14:01:14 EDT 2009


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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