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#!/bin/sh
#
# ifup-sit
#
#
# Taken from:
# (P) & (C) 2000-2001 by Peter Bieringer <pb@bieringer.de>
#
# RHL integration assistance by Pekka Savola <pekkas@netcore.fi>
#
# Version 2001-07-17
#
# Uses following information from "/etc/sysconfig/network":
# NETWORKING_IPV6=yes|no: controls IPv6 initialization (global setting)
#
# Uses following information from "/etc/sysconfig/network-scripts/ifcfg-$1":
# IPV6INIT=yes|no: controls IPv6 configuration for this interface
# IPV6_TUNNELMODE=IP|NBMA: mode of tunnel creation [default: IP]
# IPV6_MTU=<MTU for IPv6>: controls IPv6 MTU for this link [optional]
#
# For static tunnels
# IPV6TUNNELIPV4="<ipv4 address of foreign tunnel endpoint>"
# IPV6ADDR=<ipv6address>/<prefixlength> [OPTIONAL: numbered tunnels]
#
# Get global network configuration
. /etc/sysconfig/network
# Source IPv4 helper functions
cd /etc/sysconfig/network-scripts
. network-functions
CONFIG=$1
[ -f "$CONFIG" ] || CONFIG=ifcfg-$CONFIG
source_config
# Test whether IPv6 configuration is enabled for this interface, else stop
[ "$IPV6INIT" = "yes" ] || exit 0
# Test whether IPv6 should be configured, else stop
[ "${NETWORKING_IPV6}" = "yes" ] || exit 0
if [ ! -f /etc/sysconfig/network-scripts/network-functions-ipv6 ]; then
exit 1
fi
# Source IPv6 helper functions
. /etc/sysconfig/network-scripts/network-functions-ipv6
# IPv6 test, module loaded, exit if system is not IPv6-ready
test_ipv6 || exit 1
# Setup IPv6-in-IPv4 tunnel(s)
if [ "$DEVICE" = "sit0" ]; then
ifup_ipv6_autotunnel || exit 1
# Set IPv6 MTU, if given
if [ ! -z "$IPV6_MTU" ]; then
ipv6_set_mtu $DEVICE $IPV6_MTU
fi
elif [ ! -z "$IPV6TUNNELIPV4" ]; then
if [ "$IPV6_TUNNELMODE" = "NBMA" ]; then
if [ ! -z "$IPV6ADDR" ]; then
ifup_ipv6_real sit0 $IPV6ADDR
fi
# Add static IPv6 tunnel routes on specified virtual interface
if [ -f /etc/sysconfig/static-routes-ipv6 ]; then
grep -w "^$DEVICE" /etc/sysconfig/static-routes-ipv6 | while read device ipv6route args; do
ifup_ipv6_tunnel $DEVICE $IPV6TUNNELIPV4 $ipv6route
done
fi
# Set IPv6 MTU, if given and in range
if [ ! -z "$IPV6_MTU" ]; then
ipv6_set_mtu sit0 $IPV6_MTU
fi
elif [ -z "$IPV6_TUNNELMODE" -o "$IPV6_TUNNELMODE" = "IP" ]; then
ifup_ipv6_tunneldev $DEVICE $IPV6TUNNELIPV4 || exit 1
# Set IPv6 MTU, if given and in range
if [ ! -z "$IPV6_MTU" ]; then
ipv6_set_mtu $DEVICE $IPV6_MTU
fi
if [ ! -z "$IPV6ADDR" ]; then
ifup_ipv6_real $DEVICE $IPV6ADDR
fi
if [ -f /etc/sysconfig/static-routes-ipv6 ]; then
grep -w "^$DEVICE" /etc/sysconfig/static-routes-ipv6 | while read device ipv6route args; do
ifup_ipv6_route $ipv6route :: $DEVICE
done
fi
else
echo $"Tunnel creation mode '$IPV6_TUNNELMODE' not supported - skip!"
fi
fi
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