ifdown-ipv6

#!/bin/sh
#
# filename: ifdown-ipv6
#
# RedHat 6.2
# directory: /etc/sysconfig/network-scripts
#
# permissions: 755
#
# description: Brings down IPv6 for an interface
#
# (P) & (C) 2000 by Peter Bieringer <[e-mail]>
#
#  This script is now explicitly GPL'ed (20001125, Peter Bieringer)
#
#
#  Suggestions, comments and improvements are welcome!
#
#  You will find more information in the IPv6-HowTo for Linux at
#
#
# Changes to:
#  20000703: initial for a new layout
#  20000704: add test for static route file
#  20000723: fix bug in static route selection
#  20000731: fix misnamed function 'forwarding-ipv6-route' -> 'forwarding-ipv6'
#  20000816: fix because "network-functions-ipv6" function names are changed
#  20001125: explicitly GPL'ed
#  20001130: remove not needed copyright reference to RedHat

#set -x

. /etc/sysconfig/network

cd /etc/sysconfig/network-scripts
. network-functions

CONFIG=$1
[ -f "$CONFIG" ] || CONFIG=ifcfg-$CONFIG
source_config

# Test if IPv6 configuration is enabled
if [ ! "$IPV6INIT" = "yes" ]; then
        # not enabled, stop here
        exit 0
fi

# Test if IPv6 is up
if [ "${NETWORKING_IPV6}" = "yes" ]; then
        if [ ! -f /etc/sysconfig/network-scripts/network-functions-ipv6 ]; then
                echo -e "\a You have enabled IPv6 in '/etc/sysconfig/network'"
                echo "  by setting 'NETWORKING_IPV6' to 'yes', but"
                echo "  file '/etc/sysconfig/network-scripts/network-functions-ipv6"
                echo "  is missing -> disabling it!"
                NETWORKING_IPV6=no
        else
                . /etc/sysconfig/network-scripts/network-functions-ipv6

        # Delete additional static IPv6 routes on specified interface
                if [ -f /etc/sysconfig/static-routes-ipv6 ]; then
            grep "^$DEVICE" /etc/sysconfig/static-routes-ipv6 | while read device args; do
                        if [ "$device" = "$DEVICE" ]; then
                            ifdown_ipv6_route $args $DEVICE
                fi
            done
        fi

        # Switch off forwarding per device (packets received on this
        #  interface aren