IPv6 /etc/network/interfaces

gistfile1.txt

root@water:~# cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto ens160
iface ens160 inet static
        address A.B.C.G
        netmask 255.255.255.240
        network A.B.C.D
        broadcast A.B.C.E
        gateway A.B.C.F
        # dns-* options are implemented by the resolvconf package, if installed
        dns-nameservers 8.8.8.8
        dns-search winvive.com
iface ens160 inet6 static
        address fe80::2
        netmask 64
        gateway fe80::1%ens160
iface ens160 inet6 static
        address 2607:xyz:abc::71
        netmask 64