2. Configure IPv4/v6 Outer Tunnel $ show version Version: VC6.6R1 (VyattaCore 6.6R1) VR-1 IPv4 over IPv6 Tunnel 192.168.168.1/24 tun0 2001:db8::1/64 eth0 set system host-name VR-1 set interfaces ethernet eth0 address 2001:db8::1/64 set interfaces tunnel tun0 address 192.168.168.1/30 set interfaces tunnel tun0 encapsulation ipip6 set interfaces tunnel tun0 local-ip 2001:db8::1 set interfaces tunnel