80
Figure 27 Network diagram
Configuration procedure
1. Assign an IP address and subnet mask to each interface, as shown in Figure 27. (Details not
shown.)
2. Configure OSPF on the routers in the PIM-DM domain. (Details not shown.)
3. Enable IP multicast routing, and enable IGMP and PIM-DM:
# On Router A, enable IP multicast routing.
<RouterA> system-view
[RouterA] multicast routing
[RouterA-mrib] quit
# Enable IGMP on GigabitEthernet 1/0/1.
[RouterA] interface gigabitethernet 1/0/1
[RouterA-GigabitEthernet1/0/1] igmp enable
[RouterA-GigabitEthernet1/0/1] quit
# Enable PIM-DM on GigabitEthernet 1/0/2.
[RouterA] interface gigabitethernet 1/0/2
[RouterA-GigabitEthernet1/0/2] pim dm
[RouterA-GigabitEthernet1/0/2] quit
# On Router B, enable IP multicast routing.
<RouterB> system-view
[RouterB] multicast routing
[RouterB-mrib] quit
# Enable IGMP on GigabitEthernet 1/0/1.
[RouterB] interface gigabitethernet 1/0/1
[RouterB-GigabitEthernet1/0/1] igmp enable
[RouterB-GigabitEthernet1/0/1] quit
# Enable PIM-DM on GigabitEthernet 1/0/2.
[RouterB] interface gigabitethernet 1/0/2
[RouterB-GigabitEthernet1/0/2] pim dm
Router A
Router B
Router C
Querier
PIM-DM
Ethernet Ethernet
N1
N2
Receiver
Receiver
Host A
Host B
Host C
Host D
GE1/0/1
10.110.1.1/24
GE1/0/1
10.110.2.1/24
GE1/0/1
10.110.2.2/24
GE1/0/2
GE1/0/2
GE1
/0/2
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