72
Configuration procedure
1. Assign an IP address and subnet mask to each interface according to Figure 27. (Details not
shown.)
2. Configure OSPF on the routers in the PIM-SM domain to make sure the following conditions are
met: (Details not shown.)
{ The routers are interoperable at the network layer.
{ The routers can dynamically update their routing information.
3. Enable IP multicast routing, PIM-SM, and IGMP:
# On Router D, enable IP multicast routing.
<RouterD> system-view
[RouterD] multicast routing
[RouterD-mrib] quit
# Enable IGMPv3 on GigabitEthernet 2/1/1 (the interface that connects to the receiver host).
[RouterD] interface gigabitethernet 2/1/1
[RouterD-GigabitEthernet2/1/1] igmp enable
[RouterD-GigabitEthernet2/1/1] igmp version 3
[RouterD-GigabitEthernet2/1/1] quit
# Enable PIM-SM on the other interfaces.
[RouterD] interface gigabitethernet 2/1/2
[RouterD-GigabitEthernet2/1/2] pim sm
[RouterD-GigabitEthernet2/1/2] quit
[RouterD] interface gigabitethernet 2/1/3
[RouterD-GigabitEthernet2/1/3] pim sm
[RouterD-GigabitEthernet2/1/3] quit
# On Router A, enable IP multicast routing, and enable PIM-SM on each interface.
<RouterA> system-view
[RouterA] multicast routing
[RouterA-mrib] quit
[RouterA] interface gigabitethernet 2/1/1
[RouterA-GigabitEthernet2/1/1] pim sm
[RouterA-GigabitEthernet2/1/1] quit
[RouterA] interface gigabitethernet 2/1/2
[RouterA-GigabitEthernet2/1/2] pim sm
[RouterA-GigabitEthernet2/1/2] quit
[RouterA] interface gigabitethernet 2/1/3
[RouterA-GigabitEthernet2/1/3] pim sm
[RouterA-GigabitEthernet2/1/3] quit
# Configure Router B and Router C in the same way Router A is configured. (Details not shown.)
4. Configure C-BSR and C-RP interfaces on Router D.
[RouterD] pim
[RouterD-pim] c-bsr 192.168.4.1
[RouterD-pim] c-rp 192.168.4.1
[RouterD-pim] quit
5. Configure the SSM group range:
# Configure the SSM group range 232.1.1.0/24 on Router D.
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