#!/bin/sh

# You don't usually need to touch this file at all, the full configuration
# of the bridge can be done in a standard way on /etc/network/interfaces.

# Have a look at /usr/share/doc/bridge-utils/README.Debian.gz if you want
# more info about the way on wich a bridge is set up on Debian.

if [ ! -x /usr/sbin/brctl ]
then
  exit 0
fi

case "$IF_BRIDGE_PORTS" in
    "")
	exit 0
	;;
    none)
	INTERFACES=""
	;;
    all)
	INTERFACES=`grep eth /proc/net/dev|sed 's/\(\ *\)\(eth[^:]*\)\(.*\)/\2/'`
	;;
    *)
	INTERFACES="$IF_BRIDGE_PORTS"
	;;
esac

brctl addbr $IFACE &&

for i in $INTERFACES
do
  if [ -x /etc/network/if-pre-up.d/vlan ]; then
    env IFACE=$i /etc/network/if-pre-up.d/vlan
  fi
  brctl addif $IFACE $i && ip link set dev $i up
done

brctl stp $IFACE off