--- /dev/null	2009-06-24 15:58:51.000000000 -0700
+++ bond.sh	2009-06-24 15:54:35.000000000 -0700
@@ -0,0 +1,96 @@
+#!/bin/sh
+# @(#) $Id: bond.sh,v 1.4 2009/06/23 20:56:21 leres Exp $ (LBL)
+#
+# One pair:
+#
+#	bond_enable="YES"
+#	bond_interfaces="sk0 sk1"
+#
+# or two pairs (UNTESTED)
+#
+#	bond_interfaces="sk0 sk1 - em2 em3"
+#
+# or three interfaces
+#
+#	bond_interfaces="em1 em2 em3"
+#
+
+test=""
+
+case "$1" in
+
+'start')
+	;;
+
+'stop')
+	exit
+	;;
+
+
+'test')
+	test="echo"
+	;;
+
+
+*)
+	echo "Usage: $0 { start | stop | test }"
+	exit 1
+	;;
+esac
+
+# use NETGRAPH to bond interfaces together
+
+. /etc/rc.conf
+
+if [ -z "${bond_enable}" -o "x${bond_enable}" != "xYES" ] ; then
+	exit
+fi
+
+if [ -z "${bond_interfaces}" ] ; then
+	exit
+fi
+
+# ng_ether must be loaded so netgraph can "see" the
+if [ -z "${test}" ]; then
+	mod="ng_ether"
+	kldstat -m ${mod} > /dev/null 2>&1 || kldload ${mod}
+fi
+
+# assumes the interfaces are already up
+dobond() {
+	local ngeth
+
+	ngeth="ngeth$1"
+	shift
+	${test} ngctl mkpeer . eiface hook ether || exit 1
+	${test} ngctl mkpeer ${ngeth}: one2many lower one || exit 1
+	n2=0
+	while [ $# -gt 0 ]; do
+		${test} ifconfig $1 -arp -monitor promisc || exit 1
+		many="many${n2}"
+		${test} ngctl connect $1: ${ngeth}:lower lower ${many} || exit 1
+		n2="`expr ${n2} + 1`"
+		shift
+	done
+
+	# bring up ngeth0 for sniffing duties
+	${test} ifconfig ${ngeth} -arp up || exit 1
+}
+
+iflist=""
+n=0
+for i in ${bond_interfaces}; do
+	if [ "${i}" = "-" ]; then
+		if [ -n "${iflist}" ]; then
+			dobond ${n} ${iflist}
+			n="`expr ${n} + 1`"
+			iflist=""
+		fi
+		continue
+	fi
+	iflist="${iflist} ${i}"
+done
+
+if [ -n "${iflist}" ]; then
+	dobond ${n} ${iflist}
+fi