From 35c33a5e249e7c90a80441a99a6b98afed7af241 Mon Sep 17 00:00:00 2001
From: Bill Nottingham <notting@redhat.com>
Date: Tue, 5 Mar 2002 21:27:10 +0000
Subject: initial support for setting source addresses (for LVS). may or may
 not work

---
 sysconfig/network-scripts/ifup | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

(limited to 'sysconfig/network-scripts')

diff --git a/sysconfig/network-scripts/ifup b/sysconfig/network-scripts/ifup
index cd2c2286..678ba257 100755
--- a/sysconfig/network-scripts/ifup
+++ b/sysconfig/network-scripts/ifup
@@ -212,6 +212,13 @@ else
     else
         SCOPE=
     fi
+    
+    if [ -n "$SRCADDR" ]; then
+       SRC="src $SRCADDR"
+       sysctl -w "net.ipv4.conf.${REALDEVICE}.arp_filter=1"
+    else
+       SRC=
+    fi
 
     if ! LC_ALL=C ip addr ls ${REALDEVICE} | grep -q "${IPADDR}/${PREFIX}" ; then
 	 if ! ip addr add ${IPADDR}/${PREFIX} \
@@ -227,17 +234,17 @@ else
 
     # Add a route for the subnet.  Replace any existing route.
     if [ "${ISALIAS}" = no ]; then
-	ip route replace ${NETWORK}/${PREFIX} dev ${REALDEVICE}
+	ip route replace ${NETWORK}/${PREFIX} ${SRC} dev ${REALDEVICE}
     fi
 
     # Set a default route.
     if [ -z "${GATEWAYDEV}" -o "${GATEWAYDEV}" = "${REALDEVICE}" ]; then
 	# set up default gateway
 	if [ -n "${GATEWAY}" -a "`ipcalc --network ${GATEWAY} ${NETMASK} 2>/dev/null`" = "NETWORK=${NETWORK}" ]; then
-	    ip route add default via ${GATEWAY}
+	    ip route add default via ${GATEWAY} ${SRC}
 	    DEFGW=${GATEWAY}
 	elif [ "${GATEWAYDEV}" = "${DEVICE}" ]; then
-	    ip route add default dev ${REALDEVICE}
+	    ip route add default ${SRC} dev ${REALDEVICE} 
 	fi
     fi
 fi
-- 
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