Subject: [magma] question on igmp snooping

From: Anouk Rocher <[email-masked]>
Date: Wed, 11 Jun 2003 16:56:44 -0400

Section 2.1.1 of draft-ietf-magma-snoop-07.txt lays down the
rules for forwarding IGMP packets. However, it does not
explicitly indicate if an IGMP Membership Reports should be
forwarded on interfaces connected to other IGMP snooping
switches.

It seems like one would need to forward IGMP packets to other
IGMP snooping switches to make a network of Snooping switches
connected to a multicast router at one end, work. Or else
how will IGMP Snooping work in the network below :

               [multicast router]
                  /         \
              [switch2]    [host3]
               /     \
           [switch1] [host2]
             |
          [host1]

Comments?
Anouk

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