CONFIG. IPV6
R1(config)# ipv6 unicast-routing
int gi0/0
ipv6 address 2001:DB8:1:1::1/64
no shutdown
ipv6 address FE80::1 link-local
int gi0/1
ipv6 address 2001:DB8:1:2::1/64
no shutdown
ipv6 address FE80::1 link-local
int s0/0/0
ipv6 address 2001:DB8:1:A001::2/64
no shutdown
ipv6 address FE80::1 link-local