[c-nsp] IGMP snooping ME6500

[Phil Mayers]

On Sat, Jul 11, 2009 at 07:28:36PM +0100, Adrian Minta wrote:
>Hi,
>I have a problem with Layer 2 multicast traffic on ME6500. The switch 
>floods all redundant links with multicast traffic, much like a dumb 
>switch. On all the other small platforms igmp snooping works very good 
>out of the box: Cat2950, Cat3550, ME3400.
>
>A friend of mine have the same symptom on 7600. My software version is 
>Version 12.2(33)SXH3a, don't know his version.
>
>Has anyone encounter the same problem ? Does anybody know a valid solution ?

Config? Software version?

If you don't already have it, try creating an un-numbered SVI e.g.:

vlan 200
  name multicast
int Vlan200
  no ip address

I seem to recall references to this being required for some multicast 
functionality on some versions of 6500/7600 IOS