auto tun6to4
iface tun6to4 inet6 v4tunnel
    pre-up modprobe ipv6
    address 2002:4e9b:2аа1:0::1
        netmask 64
    gateway ::192.88.99.1
    endpoint any
    local 78.101.123.209

iface tun6to4 inet6 static
address 2002:4e9b:2аа1:0:e22d:40a4:23da:1111
  netmask 64
iface tun6to4 inet6 static
address 2002:4e9b:2аа1:0:e22d:40a4:23da:2222
  netmask 64
gateway 2002:4e9b:2аа1:0::1