#!/bin/bash
#
# version 231012_1439
#

read -p "Enter VLAN Number (Ex: 16) : " VLAN

read -p "Enter Device Name (Ex: enp5s0) : " DEV

echo -e "
VLAN   = $VLAN
Device = $DEV
"


if [ "$(nmcli con |grep br${VLAN}|wc -l)" -eq "0" ]
then
  echo -e "** Adding bridge br${VLAN}..."
  nmcli con add \
   type bridge \
   con-name br${VLAN} \
   ifname br${VLAN} \
   ipv4.method disabled \
   ipv6.method ignore \
   autoconnect yes
else
  echo "** br${VLAN} found"
fi



echo -e "** Putting br${VLAN} in up state..."
nmcli con up "br${VLAN}"


echo -e "** Adding VLAN ${VLAN} to $DEV --> vlan-${DEV}.${VLAN} and then to br${VLAN}"
nmcli con add \
  type vlan \
  con-name vlan-${DEV}.${VLAN} \
  ifname ${DEV}.${VLAN} \
  dev ${DEV} \
  id ${VLAN} \
  ipv4.method disabled  \
  ipv6.method ignore \
  master br${VLAN} \
  autoconnect yes 

echo -e "\n** All done."