52
Figure 19 Network diagram
Configuration procedure
1. Assign an IP address and subnet mask for each interface, as shown in Figure 19. (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 B, enable IP multicast routing.
<RouterB> system-view
[RouterB] multicast routing
[RouterB-mrib] quit
# Enable IGMP on the receiver-side interface (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 the other interfaces.
[RouterB] interface gigabitethernet 1/0/2
[RouterB-GigabitEthernet1/0/2] pim dm
[RouterB-GigabitEthernet1/0/2] quit
[RouterB] interface gigabitethernet 1/0/3
[RouterB-GigabitEthernet1/0/3] pim dm
[RouterB-GigabitEthernet1/0/3] quit
# On Router A, enable IP multicast routing.
<RouterA> system-view
[RouterA] multicast routing
[RouterA-mrib] quit
# Enable PIM-DM on each interface.
[RouterA] interface gigabitethernet 1/0/1
[RouterA-GigabitEthernet1/0/1] pim dm
Multicast static route
Router A Router B
Router C
GE1/0/3
30.1.1.2/24
GE1/0/2
40.1.1.2/24
GE1/0/1
50.1.1.1/24
GE1/0/2
40.1.1.1/24
GE1/0/1
20.1.1.2/24
GE1/0/2
20.1.1.1/24
GE1/0/3
30.1.1.1/24
GE1/0/1
10.1.1.1/24
Source Receiver
50.1.1.100/24 10.1.1.100/24
PIM-DM