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Configuration procedure
1.
Assign an IPv6 address and prefix length for each interface according to
shown.)
2.
Configure RIPng on all the routers. (Details not shown.)
3.
Configure Router A:
# Enable IPv6 multicast routing globally.
<RouterA> system-view
[RouterA] ipv6 multicast routing
[RouterA-mrib6] quit
# Enable IPv6 PIM-SM on each interface.
[RouterA] interface gigabitethernet 1/0/1
[RouterA-GigabitEthernet1/0/1] ipv6 pim sm
[RouterA-GigabitEthernet1/0/1] quit
[RouterA] interface gigabitethernet 1/0/2
[RouterA-GigabitEthernet1/0/2] ipv6 pim sm
[RouterA-GigabitEthernet1/0/2] quit
# Configure GigabitEthernet 1/0/2 as a C-BSR and a C-RP.
[RouterA] ipv6 pim
[RouterA-pim6] c-bsr 1001::1
[RouterA-pim6] c-rp 1001::1
[RouterA-pim6] quit
4.
Configure Router B:
# Enable IPv6 multicast routing globally.
<RouterB> system-view
[RouterB] ipv6 multicast routing
[RouterB-mrib6] quit
# Enable IPv6 PIM-SM on each interface.
[RouterB] interface gigabitethernet 1/0/1
[RouterB-GigabitEthernet1/0/1] ipv6 pim sm
[RouterB-GigabitEthernet1/0/1] quit
[RouterB] interface gigabitethernet 1/0/2
[RouterB-GigabitEthernet1/0/2] ipv6 pim sm
[RouterB-GigabitEthernet1/0/2] quit
5.
Configure Router C:
# Enable IPv6 multicast routing globally.
<RouterC> system-view
[RouterC] ipv6 multicast routing
[RouterC-mrib6] quit
# Enable MLD on GigabitEthernet 1/0/1.
[RouterC] interface gigabitethernet 1/0/1
[RouterC-GigabitEthernet1/0/1] mld enable
[RouterC-GigabitEthernet1/0/1] quit
# Enable IPv6 PIM-SM on GigabitEthernet 1/0/2.
[RouterC] interface gigabitethernet 1/0/2
[RouterC-GigabitEthernet1/0/2] ipv6 pim sm
[RouterC-GigabitEthernet1/0/2] quit
6.
Configure Router D: