diff --git a/xCAT/postscripts/updatenetwork b/xCAT/postscripts/updatenetwork
index 9a2cefd4b..a891467ec 100644
--- a/xCAT/postscripts/updatenetwork
+++ b/xCAT/postscripts/updatenetwork
@@ -3,4 +3,14 @@
 echo "Updating hostname to $HOSTNAME"
 sed -i "s/HOSTNAME=.*/HOSTNAME=$HOSTNAME/g" /etc/sysconfig/network
 
-hostname $HOSTNAME
\ No newline at end of file
+hostname $HOSTNAME
+
+echo "Old ifcfg-$DEVICE is:"
+cat /etc/sysconfig/network-scripts/ifcfg-$DEVICE
+
+HWADDR=`ifconfig $DEVICE|grep HWaddr|awk '{print $5}'`
+sed -i "s/HWADDR=.*/HWADDR="$HWADDR"/g" /etc/sysconfig/network-scripts/ifcfg-$DEVICE
+sed -i "s/UUID=.*//g" /etc/sysconfig/network-scripts/ifcfg-$DEVICE
+
+echo "New ifcfg-$DEVICE is:"
+cat /etc/sysconfig/network-scripts/ifcfg-$DEVICE