R2

en
conf t
hostname R2
ipv6 unicast-routing
ipv6 router ospf 51
router-id 2.2.2.2
int gi0/1
ipv6 address 2020::2/64
ipv6 address FE80::2 link-local
ipv6 ospf 51 area 0
ipv6 ospf priority 255
no shut
int gi0/2
ipv6 address 2040::1/64
ipv6 address FE80::1 link-local
ipv6 ospf 51 area 0
ipv6 ospf priority 255
no shut
int l0
ipv6 address 2:2:2:2::/128
ipv6 ospf 51 area 0
ipv6 ospf priority 255
no shut
line con 0
logging synchronous
transport preferred none
exec-timeout 0 0
end
wr

conf t
ipv6 multicast-routing
ipv6 pim rp-address 2:2:2:2::
end
wr