#!/bin/sh

set -e

# tap0 -> clients (vlan: 2)
# tap1 -> wan     (vlan: 3)

VLAN=2
BRIDGE=switch

ifname=$1

[ $ifname = "tap1" ] && VLAN=3

# associate tap interface with bridge
ip link set dev $ifname up
ip link set dev $ifname master $BRIDGE

# delete standard vlan
bridge vlan del dev $ifname vid 1

# correctly tag interface
bridge vlan add dev $ifname vid $VLAN pvid untagged