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[/] [openrisc/] [trunk/] [or1ksim/] [brend.sh] - Rev 440
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#!/bin/bash # Copyright (C) 2010 ORSoC AB # Copyright (C) 2010 Embecosm Limited # Contributor Julius Baxter <julius.baxter@orsoc.se> # Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> # This file is a superuser script to close down an Ethernet bridge and restore # the simple Ethernet interface. # This program is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation; either version 3 of the License, or (at your option) # any later version. # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # You should have received a copy of the GNU General Public License along # with this program. If not, see <http://www.gnu.org/licenses/>. # ------------------------------------------------------------------------------ # Pre-requisites: bridge-utils must be installed. # Usage: ./brset.sh <bridge> <eth> <mac> <tap> [<tap> <tap> ...] # - <bridge> is the bridge interface to use, e.g. br0 # - <eth> is the hardware ethernet interface to use, e.g. eth0 # The tap interface can subsequently be deleted (so long as no one else is # using it) with # openvpn --rmtun --dev tap<n> # Define Bridge Interface br=$1 shift # Host ethernet interface to use eth=$1 shift # Determine the IP address, netmask and broadcast of the bridge. eth_ip=`ifconfig $br | \ grep "inet addr" | \ head -1 | \ sed -e 's/^.*inet addr:\([^ \t]*\).*$/\1/'` eth_netmask=`ifconfig $br | \ grep "Mask" | \ head -1 | \ sed -e 's/^.*Mask:\([^ \t]*\).*$/\1/'` eth_broadcast=`ifconfig $br | \ grep "Bcast" | \ head -1 | \ sed -e 's/^.*Bcast:\([^ \t]*\).*$/\1/'` # Define list of TAP interfaces to be bridged, tap=$* echo "Deleting bridge $br" echo " Host Ethernet device: $eth" echo " Host IP address: $eth_ip" echo " Host netmask: $eth_netmask" echo " Host broadcast: $eth_broadcast" # Delete the bridge ifconfig $br down brctl delbr $br # Restore the Ethernet interface ifconfig $eth $eth_ip netmask $eth_netmask broadcast $eth_broadcast
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