diff -r 483d006cc607 tools/examples/network-bridge
--- a/tools/examples/network-bridge	Fri Apr 25 13:46:27 2008 +0100
+++ b/tools/examples/network-bridge	Mon Apr 28 22:36:23 2008 -0600
@@ -72,6 +72,9 @@ find_alt_device () {
     echo "$ifs"
 }
 
+if [ $bridge ]; then
+    namedbr=$bridge
+fi
 netdev=${netdev:-$(ip route list 0.0.0.0/0  | \
                    sed 's/.*dev \([a-z]\+[0-9]\+\).*$/\1/')}
 if is_network_root ; then
@@ -198,6 +201,42 @@ show_status () {
     echo '============================================================'
 }
 
+op_start_named_bridge () {
+    if link_exists "$bridge"; then
+        # The device is already up.
+        return
+    fi
+
+    create_bridge ${bridge}
+
+    preiftransfer ${netdev}
+    transfer_addrs ${netdev} ${bridge}
+    get_ip_info ${netdev}
+    ip addr flush ${netdev} > /dev/null 2>&1
+    brctl addif ${bridge} ${netdev}
+    do_ifup ${bridge}
+
+    if [ ${antispoof} = 'yes' ] ; then
+	antispoofing
+    fi
+}
+
+op_stop_named_bridge () {
+    if ! link_exists "$bridge"; then
+	return
+    fi
+
+    transfer_addrs ${bridge} ${netdev}
+    get_ip_info ${bridge}
+    ip link set ${netdev} down
+    ip addr flush ${bridge}
+    
+    brctl delif ${bridge} ${netdev}
+    ip link set ${bridge} down
+    do_ifup ${netdev}
+    brctl delbr ${bridge}
+}
+
 op_start () {
     if [ "${bridge}" = "null" ] ; then
 	return
@@ -281,11 +320,19 @@ add_to_bridge2() {
 
 case "$command" in
     start)
-	op_start
+	if [ $namedbr ]; then
+	    op_start_named_bridge
+	else
+	    op_start
+	fi
 	;;
     
     stop)
-	op_stop
+	if [ $namedbr ]; then
+	    op_stop_named_bridge
+	else
+	    op_stop
+	fi
 	;;
 
     status)