Gateway

[ ! -c /dev/net/tun ] && echo "Error: TUN network interface not available..." && exit 85

update-alternatives --set iptables /usr/sbin/iptables-legacy > /dev/null

update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy > /dev/null

GATEWAY=$(ip r | grep default | awk '{print $3}')

if [ "$DEBUG" = "Y" ]; then

  IP=$(ip address show dev eth0 | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)

  echo "Info: Container IP: ${IP}" && echo

  echo "Info: Container IP is ${IP} with gateway {GATEWAY}" && echo

fi

update-alternatives --set iptables /usr/sbin/iptables-legacy > /dev/null

update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy > /dev/null

GATEWAY=$(ip r | grep default | awk '{print $3}')

if [[ "$GATEWAY" == "172."* ]]; then

  # Bridge network

  configureNAT