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+#!/bin/bash
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+#
+# See "Simple two-port setup" in tutorial/OVN-Tutorial.md.
+#
+
+set -o xtrace
+
+# Create a logical switch named "sw0"
+ovn-nbctl lswitch-add sw0
+
+# Create two logical ports on "sw0".
+ovn-nbctl lport-add sw0 sw0-port1
+ovn-nbctl lport-add sw0 sw0-port2
+
+# Set a MAC address for each of the two logical ports.
+ovn-nbctl lport-set-macs sw0-port1 00:00:00:00:00:01
+ovn-nbctl lport-set-macs sw0-port2 00:00:00:00:00:02
+
+# Set up port security for the two logical ports.  This ensures that
+# the logical port mac address we have configured is the only allowed
+# source and destination mac address for these ports.
+ovn-nbctl lport-set-port-security sw0-port1 00:00:00:00:00:01
+ovn-nbctl lport-set-port-security sw0-port2 00:00:00:00:00:02
+
+# Create ports on the local OVS bridge, br-int.  When ovn-controller
+# sees these ports show up with an "iface-id" that matches the OVN
+# logical port names, it associates these local ports with the OVN
+# logical ports.  ovn-controller will then set up the flows necessary
+# for these ports to be able to communicate each other as defined by
+# the OVN logical topology.
+ovs-vsctl add-port br-int lport1 -- set Interface lport1 external_ids:iface-id=sw0-port1
+ovs-vsctl add-port br-int lport2 -- set Interface lport2 external_ids:iface-id=sw0-port2