--binary
06 0c # version, type
00 58 # length
12 34 56 78 # xid
00 # reason
00 00 00 00 00 00 00 # pad
00 00 00 04 # port_no
00 48 # length
00 00 # pad
00 00 00 12 34 56 # hw_addr
00 00 # pad
61 62 63 00 00 00 00 00 # name
00 00 00 00 # config
00 00 00 00 # state
00 00 00 01 # port_desc_prop_header - type, length
00 00 00 01 # properties[0].type
00 00 00 20 # properties[0].length
00 00 00 00 # properties.pad
00 00 00 01 # properties[0].curr
00 00 00 02 # properties[0].advertised
00 00 00 04 # properties[0].supported
00 00 00 08 # properties[0].peer
00 00 00 0a # properties[0].curr_speed
00 00 00 0e # properties[0].max_speed

--java
builder
        .setXid(0x12345678)
        .setReason(OFPortReason.ADD)
        .setDesc(factory.buildPortDesc()
                        .setPortNo(OFPort.ofInt(4))
                        .setHwAddr(MacAddress.of(0x123456))
                        .setName("abc")
                        .setConfig(Sets.immutableEnumSet(OFPortConfig.PORT_DOWN))
                        .setState(Sets.immutableEnumSet(OFPortState.LINK_DOWN))
                        .setProperties(Arrays.asList(new OFPortDescProp[] {factory.buildPortDescPropEthernet()
                        .setCurr(1)
                        .setAdvertised(2)
                        .setSupported(4)
                        .setPeer(8)
                        .setCurrSpeed(10)
                        .setMaxSpeed(14)
                        .build()})).build())