diff --git a/test_data/of10/port_desc.data b/test_data/of10/port_desc.data
new file mode 100644
index 0000000..c3c2e38
--- /dev/null
+++ b/test_data/of10/port_desc.data
@@ -0,0 +1,21 @@
+-- binary
+ff fd # port_no
+01 02 03 04 05 06 # hw_addr
+66 6f 6f 00 00 00 00 00 00 00 00 00 00 00 00 00 # name
+00 00 00 10 # config
+00 00 02 00 # state
+00 00 00 01 # curr
+00 00 00 20 # advertised
+00 00 02 00 # supported
+00 00 08 00 # peer
+-- python
+ofp.port_desc(
+    port_no=ofp.OFPP_CONTROLLER,
+    hw_addr=[1,2,3,4,5,6],
+    name="foo",
+    config=ofp.OFPPC_NO_FLOOD,
+    state=ofp.OFPPS_STP_FORWARD,
+    curr=ofp.OFPPF_10MB_HD,
+    advertised=ofp.OFPPF_1GB_FD,
+    supported=ofp.OFPPF_AUTONEG,
+    peer=ofp.OFPPF_PAUSE_ASYM)