171
Total 1 (*, G) entry; 0 (S, G) entry
(*, 225.1.1.0)
RP: 192.168.9.2 (local)
Protocol: pim-sm, Flag: WC
UpTime: 00:13:16
Upstream interface: Register
Upstream neighbor: 192.168.4.2
RPF prime neighbor: 192.168.4.2
Downstream interface(s) information:
Total number of downstreams: 1
1: Vlan-interface102
Protocol: pim-sm, UpTime: 00:13:16, Expires: 00:03:22
PIM-SM admin-scope zone configuration example
Network requirements
• As shown in Figure 51, receivers receive VOD information through multicast. The entire PIM-SM
domain is divided into admin-scope zone 1, admin-scope zone 2, and the global zone. Switch B,
Switch C, and Switch D are ZBRs of these three domains respectively.
• Source 1 and Source 2 send different multicast information to multicast group 239.1.1.1. Host A
receives the multicast information only from Source 1, and Host B receives the multicast information
only from 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 is required between Switch A, Switch E, Switch I, and their respective receivers.
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