#! /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