--- /dev/null
+#! /bin/sh -ve
+
+ovs-ofctl add-flow br0 "table=1, priority=0, actions=drop"
+
+ovs-ofctl add-flow br0 \
+ "table=1, priority=99, in_port=1, actions=resubmit(,2)"
+
+ovs-ofctl add-flows br0 - <<'EOF'
+ table=1, priority=99, in_port=2, vlan_tci=0, actions=mod_vlan_vid:20, resubmit(,2)
+ table=1, priority=99, in_port=3, vlan_tci=0, actions=mod_vlan_vid:30, resubmit(,2)
+ table=1, priority=99, in_port=4, vlan_tci=0, actions=mod_vlan_vid:30, resubmit(,2)
+EOF