158
Device Interface IP address
Device
Interface
IP address
Router C
GigabitEthernet
2/1/1
10.110.2.2/24 Router G
GigabitEthernet
2/1/2
192.168.4.1/24
Router C
GigabitEthernet
2/1/2
192.168.2.1/24 Router G Loopback 0 3.3.3.3/32
Router C
GigabitEthernet
2/1/3
10.110.4.1/24
Configuration procedure
1. Assign an IP address and subnet mask to each interface according to Table 13. (Details not
shown.)
2. Configure OSPF on the routers in the ASs 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, and configure PIM-SM domain borders:
# On Router C, enable IP multicast routing.
<RouterC> system-view
[RouterC] multicast routing
[RouterC-mrib] quit
# Enable PIM-SM on each interface, and enable IGMP on GigabitEthernet 2/1/2 (the interface
that connects to the receiver host).
[RouterC] interface gigabitethernet 2/1/1
[RouterC-GigabitEthernet2/1/1] pim sm
[RouterC-GigabitEthernet2/1/1] quit
[RouterC] interface gigabitethernet 2/1/2
[RouterC-GigabitEthernet2/1/2] igmp enable
[RouterC-GigabitEthernet2/1/2] quit
[RouterC] interface gigabitethernet 2/1/3
[RouterC-GigabitEthernet2/1/3] pim sm
[RouterC-GigabitEthernet2/1/3] quit
# Configure Router A, Router B, Router D, Router E, Router F, and Router G in the same way.
(Details not shown.)
# On Router B, configure the PIM domain borders.
[RouterB] interface gigabitethernet 2/1/3
[RouterB-GigabitEthernet2/1/3] pim bsr-boundary
[RouterB-GigabitEthernet2/1/3] quit
# Configure the PIM domain borders on Router C, Router D, and Router F in the same way. (Details
not shown.)
4. Configure C-BSRs and C-RPs:
# On Router A, configure Loopback 0 as a C-BSR and a C-RP.
[RouterA] pim
[RouterA-pim] c-bsr 1.1.1.1
[RouterA-pim] c-rp 1.1.1.1
[RouterA-pim] quit
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