167
Vlan-int103 192.168.2.1/24 Vlan-int103 192.168.2.2/24
Switch C Vlan-int200 10.110.2.2/24 Vlan-int102 192.168.9.2/24
Vlan-int104 192.168.3.1/24 Vlan-int105 192.168.4.1/24
Configuration procedure
1. Configure IP addresses and unicast routing.
Configure the IP address and subnet mask for each interface according to Figure 50 (details not shown).
Configure OSPF on the switches in the PIM-SM domain to ensure network-layer reachability among them
(details not shown).
2. Enable IP multicast routing, and enable PIM-SM and IGMP.
# Enable IP multicast routing on Switch A, enable PIM-SM on each interface, and enable IGMP on
VLAN-interface 100, which connects Switch A to the stub network.
<SwitchA> system-view
[SwitchA] multicast routing-enable
[SwitchA] interface vlan-interface 100
[SwitchA-Vlan-interface100] igmp enable
[SwitchA-Vlan-interface100] pim sm
[SwitchA-Vlan-interface100] quit
[SwitchA] interface vlan-interface 101
[SwitchA-Vlan-interface101] pim sm
[SwitchA-Vlan-interface101] quit
[SwitchA] interface vlan-interface 102
[SwitchA-Vlan-interface102] pim sm
[SwitchA-Vlan-interface102] quit
The configuration on Switch B and Switch C is similar to that on Switch A. The configuration on Switch D
and Switch E is also similar to that on Switch A except that it is not necessary to enable IGMP on the
corresponding interfaces on these two switches.
3. Configure a C-BSR and a C-RP.
# On Switch D, configure the service scope of RP, specify a C-BSR and a C-RP, and set the hash mask
length to 32 and the priority of the C-BSR to 10.
<SwitchD> system-view
[SwitchD] acl number 2005
[SwitchD-acl-basic-2005] rule permit source 225.1.1.0 0.0.0.255
[SwitchD-acl-basic-2005] quit
[SwitchD] pim
[SwitchD-pim] c-bsr vlan-interface 105 32 10
[SwitchD-pim] c-rp vlan-interface 105 group-policy 2005
[SwitchD-pim] quit
# On Switch E, configure the service scope of RP advertisements, specify a C-BSR and a C-RP, and set
the hash mask length to 32 and the priority of the C-BSR to 20.
<SwitchE> system-view
[SwitchE] acl number 2005
[SwitchE-acl-basic-2005] rule permit source 225.1.1.0 0.0.0.255
[SwitchE-acl-basic-2005] quit
[SwitchE] pim
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