ipv6 unicast-routing
interface loopback 0
ipv6 address 2001::1/128
interface fastEthernet 0/0
ipv6 enable
ipv6 router rip RIPNGTEST
exit
interface fastEthernet 0/0
ipv6 rip RIPNGTEST enable
exit
interface loopback 0
ipv6 rip RIPNGTEST enable
show ipv6 interface brief