#!/bin/sh if ! grep "ogstun" /proc/net/dev > /dev/null; then ip tuntap add name ogstun mode tun fi ip addr del 10.45.0.1/16 dev ogstun 2> /dev/null ip addr add 10.45.0.1/16 dev ogstun ip addr del cafe::1/64 dev ogstun 2> /dev/null ip addr add cafe::1/64 dev ogstun ip link set ogstun up