144
Source 2. Source 3 sends multicast information to multicast group 224.1.1.1. Host C is a multicast receiver
for this multicast group.
VLAN-interface 101 of Switch B acts as a C-BSR and C-RP of admin-scope zone 1, which serves the
multicast group range 239.0.0.0/8. VLAN-interface 104 of Switch D acts as a C-BSR and C-RP of
admin-scope zone 2, which also serves the multicast group range 239.0.0.0/8. VLAN-interface 109 of
Switch F acts as C-BSRs and C-RPs of the global scope zone, which serves all the multicast groups other
than those in the 239.0.0.0/8 range.
IGMPv2 runs between Switch A, Switch E, Switch I, and their respective receivers.
Figure 48 Network diagram
Device Interface IP address
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