{
    "type" : "node",
    "name" : "ipv6",
    "layout" : [
        {
            "name" : "version",
            "size" : "4",
            "default" : "6",
            "readonly" : "true"
        },
        {
            "name" : "dscp",
            "size" : "6"
        },
        {
            "name" : "ecn",
            "size" : "2"
        },
        {
            "name" : "flowlabel",
            "size" : "20"
        },
        {
            "name" : "payloadlength",
            "size" : "16",
            "autoincrease" : "true"
        },
        {
            "name" : "nextheader",
            "size" : "8"
        },
        {
            "name" : "hoplimit",
            "size" : "8"
        },
        {
            "name" : "src",
            "size" : "128",
            "format" : "ipv6"
        },
        {
            "name" : "dst",
            "size" : "128",
            "format" : "ipv6"
        }
    ]
}