[c-nsp] Need help with setting up ip multicastrouting

Phil Mayers p.mayers at imperial.ac.uk
Wed Oct 13 08:39:34 EDT 2010


On 13/10/10 13:32, Rob Taylor wrote:

>>
>> Now I must admit: when I think about it, I don't know what model the
>> layer2 switch in question was; it may not even have been a Cisco (this
>> was some time back) in which case Christopher may also be right ;o)
>
> Christopher is right here ... in this case, even with l2 switch in
> between, the mrouter ports should receive all mcast presented to the
> vlan, as well as any igmp group members on that vlan as well.

Sure: "should". I've seen it "not".


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