wan6: 6in4
Add possibility to set up ipv6 tunnet in foris:
config 'interface' 'wan6'
option 'proto' '6in4'
option 'mtu' '1424' # the IPv6 tunnel MTU (optional)
option 'peeraddr' '62.12.34.56' # the IPv4 tunnel endpoint at the tunnel provider
option 'ip6addr' '2001:DB8:1111:EFGH::2/64' # the IPv6 tunnel
option 'ip6prefix' '2001:DB8:1112::/48' # Your routed prefix (required!)
# configuration options below are only valid for HEnet tunnels. ignore them for other tunnel providers.
option tunnelid '123456' # HE.net tunnel id
option username 'username' # HE.net username, used for login into tunnelbroker, not the User ID shows after you have login in.
option password 'password' # HE.net password if there is no updatekey for tunnel
option updatekey 'updatekey' # HE.net updatekey instead of password, default for new tunnels