diff --git a/ctdb/config/functions b/ctdb/config/functions
index 531f85937db..06751547395 100644
--- a/ctdb/config/functions
+++ b/ctdb/config/functions
@@ -447,13 +447,14 @@ add_ip_to_iface()
 	local _iface=$1
 	local _ip=$2
 	local _maskbits=$3
+	local _readd_base="$CTDB_BASE/state/interface_modify.$_iface.readd.d"
 	local _lockfile="$CTDB_BASE/state/interface_modify.$_iface.flock"
 
 	test -f $_lockfile || {
 		touch $_lockfile
 	}
 
-	flock --timeout 30 $_lockfile $CTDB_BASE/interface_modify.sh add "$_iface" "$_ip" "$_maskbits"
+	flock --timeout 30 $_lockfile $CTDB_BASE/interface_modify.sh add "$_iface" "$_ip" "$_maskbits" "$_readd_base"
 	return $?
 }
 
@@ -462,13 +463,31 @@ delete_ip_from_iface()
 	local _iface=$1
 	local _ip=$2
 	local _maskbits=$3
+	local _readd_base="$CTDB_BASE/state/interface_modify.$_iface.readd.d"
 	local _lockfile="$CTDB_BASE/state/interface_modify.$_iface.flock"
 
 	test -f $_lockfile || {
 		touch $_lockfile
 	}
 
-	flock --timeout 30 $_lockfile $CTDB_BASE/interface_modify.sh delete "$_iface" "$_ip" "$_maskbits"
+	flock --timeout 30 $_lockfile $CTDB_BASE/interface_modify.sh delete "$_iface" "$_ip" "$_maskbits" "$_readd_base"
+	return $?
+}
+
+setup_iface_ip_readd_script()
+{
+	local _iface=$1
+	local _ip=$2
+	local _maskbits=$3
+	local _readd_script=$4
+	local _readd_base="$CTDB_BASE/state/interface_modify.$_iface.readd.d"
+	local _lockfile="$CTDB_BASE/state/interface_modify.$_iface.flock"
+
+	test -f $_lockfile || {
+		touch $_lockfile
+	}
+
+	flock --timeout 30 $_lockfile $CTDB_BASE/interface_modify.sh readd_script "$_iface" "$_ip" "$_maskbits" "$_readd_base" "$_readd_script"
 	return $?
 }
 
diff --git a/ctdb/config/interface_modify.sh b/ctdb/config/interface_modify.sh
index 2835d18faff..738530b4e9e 100755
--- a/ctdb/config/interface_modify.sh
+++ b/ctdb/config/interface_modify.sh
@@ -5,12 +5,16 @@ OP=$1
 IFACE=$2
 IP=$3
 MASKBITS=$4
+READD_BASE=$5
+READD_SCRIPT=$6
 
 add_ip_to_iface()
 {
 	local _iface=$1
 	local _ip=$2
 	local _maskbits=$3
+	local _readd_base=$4
+	local _script_dir="$_readd_base/$_ip.$_maskbits"
 
 	# we make sure the interface is up first
 	/sbin/ip link set $_iface up || {
@@ -22,6 +26,13 @@ add_ip_to_iface()
 		return 1;
 	}
 
+	mkdir -p $_script_dir || {
+		echo "Failed to mkdir -p $_script_dir"
+		return 1;
+	}
+
+	rm -f $_script_dir/*
+
 	return 0;
 }
 
@@ -30,6 +41,8 @@ delete_ip_from_iface()
 	local _iface=$1
 	local _ip=$2
 	local _maskbits=$3
+	local _readd_base=$4
+	local _script_dir="$_readd_base/$_ip.$_maskbits"
 
 	# the ip tool will delete all secondary IPs if this is the primary. To work around
 	# this _very_ annoying behaviour we have to keep a record of the secondaries and re-add
@@ -49,8 +62,27 @@ delete_ip_from_iface()
 		    echo "re-adding secondary address $_i to dev $_iface"
 		    /sbin/ip addr add $_i brd + dev $_iface || _failed=1
 		fi
+		local _s_ip=`echo "$_i" | cut -d '/' -f1`
+		local _s_maskbits=`echo "$_i" | cut -d '/' -f2`
+		local _s_script_dir="$_readd_base/$_s_ip.$_s_maskbits"
+
+		local _s_script=""
+		for _s_script in $_s_script_dir/*; do
+			$_s_script "$_iface" "$_s_ip" "$_s_maskbits" || {
+				ret=$?
+				echo "$_s_script '$_iface' '$_s_ip' '$_s_maskbits' - failed - $ret"
+				_failed=1
+			}
+			echo "call $_s_script '$_iface' '$_s_ip' '$_s_maskbits'"
+		done
+
 	    done
 	}
+
+	test -d $_script_dir && {
+		rm -f $_script_dir/*
+	}
+
 	[ $_failed = 0 ] || {
 		echo "Failed to del $_ip on dev $_iface"
 		return 1;
@@ -58,13 +90,47 @@ delete_ip_from_iface()
 	return 0;
 }
 
+setup_iface_ip_readd_script()
+{
+	local _iface=$1
+	local _ip=$2
+	local _maskbits=$3
+	local _readd_base=$4
+	local _readd_script=$5
+	local _script_dir="$_readd_base/$_ip.$_maskbits"
+
+	test -x "$_readd_script" || {
+		echo "Script '$_readd_script' isn't executable"
+		return 1;
+	}
+
+	local _readd_basename=`basename $_readd_script`
+	local _readd_final="$_script_dir/$_readd_basename"
+
+	mkdir -p $_script_dir || {
+		echo "Failed to mkdir -p $_script_dir"
+		return 1;
+	}
+
+	cp -a $_readd_script $_readd_final || {
+		echo "Failed to - cp -a $_readd_script $_readd_final"
+		return 1;
+	}
+
+	return 0
+}
+
 case "$OP" in
 	add)
-		add_ip_to_iface $IFACE $IP $MASKBITS
+		add_ip_to_iface $IFACE $IP $MASKBITS $READD_BASE
 		exit $?
 		;;
 	delete)
-		delete_ip_from_iface $IFACE $IP $MASKBITS
+		delete_ip_from_iface $IFACE $IP $MASKBITS $READD_BASE
+		exit $?
+		;;
+	readd_script)
+		setup_iface_ip_readd_script $IFACE $IP $MASKBITS $READD_BASE $READD_SCRIPT
 		exit $?
 		;;
 esac