-- binary
04 04               # version, type
00 4c               # len
01 02 03 04         # xid
00 5c 16 c7         # experimenter
00 00 00 0f         # subtype
00 01               # vport type
00 3c               # vport len
00 00 00 03         # vport flags
00 00 00 01         # parent port no
00 00 00 02         # loopback port no
0a 0b 0c 0d 0e 0f   # local mac
01 02 03 04 05 06   # next hop mac
c0 00 00 02         # src ip
c0 00 10 02         # dst ip
01 40 00 00         # dscp, ttl, pad(2)
00 00 be ef         # vpn
66 6f 6f 00 00 00 00 00 00 00 00 00 00 00 00 00 # vport if name
-- python
ofp.message.bsn_virtual_port_create_request(
xid=0x01020304, vport=ofp.bsn_vport_l2gre(
flags=ofp.OF_BSN_VPORT_L2GRE_LOCAL_MAC_IS_VALID | ofp.OF_BSN_VPORT_L2GRE_DSCP_ASSIGN,
port_no=1,
loopback_port_no=2,
local_mac=[0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f],
nh_mac=[0x01, 0x02, 0x03, 0x04, 0x05, 0x06],
src_ip=0xc0000002,
dst_ip=0xc0001002,
dscp=1,
ttl=64,
vpn=0xbeef,
if_name="foo"
))
-- c
obj = of_bsn_virtual_port_create_request_new(OF_VERSION_1_3);
of_bsn_virtual_port_create_request_xid_set(obj, 0x01020304);
{
    of_object_t *vport = of_bsn_vport_l2gre_new(OF_VERSION_1_3);
    {
        of_port_name_t if_name = "foo";
        of_mac_addr_t local_mac = { { 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f } };
        of_mac_addr_t nh_mac = { { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 } };
        of_bsn_vport_l2gre_flags_set(vport,
            OF_BSN_VPORT_L2GRE_LOCAL_MAC_IS_VALID |
            OF_BSN_VPORT_L2GRE_DSCP_ASSIGN);
        of_bsn_vport_l2gre_port_no_set(vport, 1);
        of_bsn_vport_l2gre_loopback_port_no_set(vport, 2);
        of_bsn_vport_l2gre_local_mac_set(vport, local_mac);
        of_bsn_vport_l2gre_nh_mac_set(vport, nh_mac);
        of_bsn_vport_l2gre_src_ip_set(vport, 0xc0000002);
        of_bsn_vport_l2gre_dst_ip_set(vport, 0xc0001002);
        of_bsn_vport_l2gre_dscp_set(vport, 1);
        of_bsn_vport_l2gre_ttl_set(vport, 64);
        of_bsn_vport_l2gre_vpn_set(vport, 0xbeef);
        of_bsn_vport_l2gre_if_name_set(vport, if_name);
    }
    of_bsn_virtual_port_create_request_vport_set(obj, vport);
    of_object_delete(vport);
}
-- java
builder.setXid(0x01020304)
    .setVport(
        factory.buildBsnVportL2Gre()
            .setFlags(
                ImmutableSet.<OFBsnVportL2GreFlags>of(
                    OFBsnVportL2GreFlags.BSN_VPORT_L2GRE_LOCAL_MAC_IS_VALID,
                    OFBsnVportL2GreFlags.BSN_VPORT_L2GRE_DSCP_ASSIGN
                )
            )
            .setPortNo(OFPort.of(1))
            .setLoopbackPortNo(OFPort.of(2))
            .setLocalMac(MacAddress.of("0a:0b:0c:0d:0e:0f"))
            .setNhMac(MacAddress.of("01:02:03:04:05:06"))
            .setSrcIp(IPv4Address.of("192.0.0.2"))
            .setDstIp(IPv4Address.of("192.0.16.2"))
            .setDscp((short)1)
            .setTtl((short)64)
            .setVpn(0xbeef)
            .setIfName("foo")
            .build()
    );