RE: RFC 4541 Data forwarding in snooping switches

Hi everybody:

 

Section 2.1.2. of RFC 4541 says that the snooping switch must forward the data on router ports.

 

I  think this is a limitation to the bandwidth: it has no sense to connect more than one multicast router or more than one router interface to a switch because the limit of the traffic is the bandwidth of one interface because all the data must be forwarded to all routers.

 

It is so impossible to connect 5 multicast routers with 1 GBit interface to a switch and allow hosts connected to the switch to receive 5GBits of multicast because the limit is 1 GBit.

 

I know that the routers must forward the data coming from senders and to do it they must receive some information about the senders but it is not necessary to send all the data to all routers to inform routers that there is a new sender.

 

Is there any error in this conclusion?

 
Regards

Alvaro

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