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2. Configure OSPFv3 on the routers in the IPv6 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 IPv6 multicast routing, IPv6 PIM-SM, and MLD:
# On Router D, enable IPv6 multicast routing.
<RouterD> system-view
[RouterD] ipv6 multicast routing
[RouterD-mrib6] quit
# Enable MLDv2 on GigabitEthernet 2/1/1 (the interface that connects to the receiver host).
[RouterD] interface gigabitethernet 2/1/1
[RouterD-GigabitEthernet2/1/1] mld enable
[RouterD-GigabitEthernet2/1/1] mld version 2
[RouterD-GigabitEthernet2/1/1] quit
# Enable IPv6 PIM-SM on the other interfaces.
[RouterD] interface gigabitethernet 2/1/2
[RouterD-GigabitEthernet2/1/2] ipv6 pim sm
[RouterD-GigabitEthernet2/1/2] quit
[RouterD] interface gigabitethernet 2/1/3
[RouterD-GigabitEthernet2/1/3] ipv6 pim sm
[RouterD-GigabitEthernet2/1/3] quit
# On Router A, enable IPv6 multicast routing globally, and enable IPv6 PIM-SM on each interface.
<RouterA> system-view
[RouterA] ipv6 multicast routing
[RouterA-mrib6] quit
[RouterA] interface gigabitethernet 2/1/1
[RouterA-GigabitEthernet2/1/1] ipv6 pim sm
[RouterA-GigabitEthernet2/1/1] quit
[RouterA] interface gigabitethernet 2/1/2
[RouterA-GigabitEthernet2/1/2] ipv6 pim sm
[RouterA-GigabitEthernet2/1/2] quit
[RouterA] interface gigabitethernet 2/1/3
[RouterA-GigabitEthernet2/1/3] ipv6 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] ipv6 pim
[RouterD-pim6] c-bsr 1003::2
[RouterD-pim6] c-rp 1003::2
[RouterD-pim6] quit
5. Configure the IPv6 SSM group range:
# Configure the IPv6 SSM group range FF3E::/64 on Router D.
[RouterD] acl ipv6 number 2000
[RouterD-acl6-basic-2000] rule permit source ff3e:: 64
[RouterD-acl6-basic-2000] quit
[RouterD] ipv6 pim
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