138 IPv6
ipv6 address 2020:2::2/64
ipv6 ospf
ipv6 ospf network point-to-point
exit
interface tunnel 0
ipv6 address 2001::2/64
tunnel mode ipv6ip
tunnel source 10.10.10.1
tunnel destination 20.20.20.1
ipv6 ospf
ipv6 ospf network point-to-point
exit
interface loopback 0
ip address 2.2.2.2 255.255.255.0
exit
exit