To create a VLAN:
openconfig:vlans/vlan datasource.
                POST /rest/restconf/data/openconfig-vlan:vlans/
    HTTP/1.1
    Host: 10.68.13.192
    Body:
       {
        "openconfig-vlan:vlan":[
        {
            "config": {
                "name": "vlan_10",
                "status": "ACTIVE",
                "tpid": "oc-vlan-types:TPID_0x8100",
                "vlan-id": 10
            }
        }
       ]
    } 
If
                        the request is successful, the server responds with a 201
                            CREATED status message.