bgpkit-parser 0.21.0

{
  "field": "bgp",
  "label": "BGP message (134 bytes)",
  "offset": 0,
  "length": 134,
  "children": [
    {
      "field": "bgp.header",
      "label": "Header",
      "offset": 0,
      "length": 19,
      "children": [
        {
          "field": "bgp.header.marker",
          "label": "Marker (all ones)",
          "offset": 0,
          "length": 16,
          "children": []
        },
        {
          "field": "bgp.header.length",
          "label": "Length: 134",
          "offset": 16,
          "length": 2,
          "children": []
        },
        {
          "field": "bgp.header.type",
          "label": "Type: UPDATE (2)",
          "offset": 18,
          "length": 1,
          "children": []
        }
      ]
    },
    {
      "field": "bgp.update",
      "label": "UPDATE",
      "offset": 19,
      "length": 115,
      "children": [
        {
          "field": "bgp.update.withdrawn_routes.length",
          "label": "Withdrawn routes length: 0",
          "offset": 19,
          "length": 2,
          "children": []
        },
        {
          "field": "bgp.update.path_attributes.length",
          "label": "Total path attribute length: 111",
          "offset": 21,
          "length": 2,
          "children": []
        },
        {
          "field": "bgp.update.path_attributes",
          "label": "Path attributes (111 bytes)",
          "offset": 23,
          "length": 111,
          "children": [
            {
              "field": "bgp.attr.1",
              "label": "ORIGIN (type 1), 1 bytes",
              "offset": 23,
              "length": 4,
              "children": [
                {
                  "field": "bgp.attr.flags",
                  "label": "Flags: 0x40",
                  "offset": 23,
                  "length": 1,
                  "children": []
                },
                {
                  "field": "bgp.attr.type",
                  "label": "Type: 1 (ORIGIN)",
                  "offset": 24,
                  "length": 1,
                  "children": []
                },
                {
                  "field": "bgp.attr.length",
                  "label": "Length: 1",
                  "offset": 25,
                  "length": 1,
                  "children": []
                },
                {
                  "field": "bgp.attr.value",
                  "label": "Value (1 bytes)",
                  "offset": 26,
                  "length": 1,
                  "children": [
                    {
                      "field": "bgp.attr.origin",
                      "label": "Origin: IGP (0)",
                      "offset": 26,
                      "length": 1,
                      "children": []
                    }
                  ]
                }
              ]
            },
            {
              "field": "bgp.attr.2",
              "label": "AS_PATH (type 2), 18 bytes",
              "offset": 27,
              "length": 21,
              "children": [
                {
                  "field": "bgp.attr.flags",
                  "label": "Flags: 0x40",
                  "offset": 27,
                  "length": 1,
                  "children": []
                },
                {
                  "field": "bgp.attr.type",
                  "label": "Type: 2 (AS_PATH)",
                  "offset": 28,
                  "length": 1,
                  "children": []
                },
                {
                  "field": "bgp.attr.length",
                  "label": "Length: 18",
                  "offset": 29,
                  "length": 1,
                  "children": []
                },
                {
                  "field": "bgp.attr.value",
                  "label": "Value (18 bytes)",
                  "offset": 30,
                  "length": 18,
                  "children": [
                    {
                      "field": "bgp.attr.as_path.segment",
                      "label": "AS_SEQUENCE: 201333 6762 174 20473",
                      "offset": 30,
                      "length": 18,
                      "children": []
                    }
                  ]
                }
              ]
            },
            {
              "field": "bgp.attr.4",
              "label": "MULTI_EXIT_DISC (type 4), 4 bytes",
              "offset": 48,
              "length": 7,
              "children": [
                {
                  "field": "bgp.attr.flags",
                  "label": "Flags: 0x80",
                  "offset": 48,
                  "length": 1,
                  "children": []
                },
                {
                  "field": "bgp.attr.type",
                  "label": "Type: 4 (MULTI_EXIT_DISC)",
                  "offset": 49,
                  "length": 1,
                  "children": []
                },
                {
                  "field": "bgp.attr.length",
                  "label": "Length: 4",
                  "offset": 50,
                  "length": 1,
                  "children": []
                },
                {
                  "field": "bgp.attr.value",
                  "label": "Value (4 bytes)",
                  "offset": 51,
                  "length": 4,
                  "children": [
                    {
                      "field": "bgp.attr.u32",
                      "label": "Multi-exit discriminator: 0",
                      "offset": 51,
                      "length": 4,
                      "children": []
                    }
                  ]
                }
              ]
            },
            {
              "field": "bgp.attr.8",
              "label": "COMMUNITIES (type 8), 8 bytes",
              "offset": 55,
              "length": 11,
              "children": [
                {
                  "field": "bgp.attr.flags",
                  "label": "Flags: 0xC0",
                  "offset": 55,
                  "length": 1,
                  "children": []
                },
                {
                  "field": "bgp.attr.type",
                  "label": "Type: 8 (COMMUNITIES)",
                  "offset": 56,
                  "length": 1,
                  "children": []
                },
                {
                  "field": "bgp.attr.length",
                  "label": "Length: 8",
                  "offset": 57,
                  "length": 1,
                  "children": []
                },
                {
                  "field": "bgp.attr.value",
                  "label": "Value (8 bytes)",
                  "offset": 58,
                  "length": 8,
                  "children": [
                    {
                      "field": "bgp.attr.communities.entry",
                      "label": "Community [1]: 6762:30",
                      "offset": 58,
                      "length": 4,
                      "children": []
                    },
                    {
                      "field": "bgp.attr.communities.entry",
                      "label": "Community [2]: 6762:14400",
                      "offset": 62,
                      "length": 4,
                      "children": []
                    }
                  ]
                }
              ]
            },
            {
              "field": "bgp.attr.14",
              "label": "MP_REACH_NLRI (type 14), 65 bytes",
              "offset": 66,
              "length": 68,
              "children": [
                {
                  "field": "bgp.attr.flags",
                  "label": "Flags: 0x80",
                  "offset": 66,
                  "length": 1,
                  "children": []
                },
                {
                  "field": "bgp.attr.type",
                  "label": "Type: 14 (MP_REACH_NLRI)",
                  "offset": 67,
                  "length": 1,
                  "children": []
                },
                {
                  "field": "bgp.attr.length",
                  "label": "Length: 65",
                  "offset": 68,
                  "length": 1,
                  "children": []
                },
                {
                  "field": "bgp.attr.value",
                  "label": "Value (65 bytes)",
                  "offset": 69,
                  "length": 65,
                  "children": [
                    {
                      "field": "bgp.attr.mp_reach.afi",
                      "label": "AFI: 2 (IPv6)",
                      "offset": 69,
                      "length": 2,
                      "children": []
                    },
                    {
                      "field": "bgp.attr.mp_reach.safi",
                      "label": "SAFI: 1",
                      "offset": 71,
                      "length": 1,
                      "children": []
                    },
                    {
                      "field": "bgp.attr.mp_reach.next_hop_length",
                      "label": "Next hop length: 32",
                      "offset": 72,
                      "length": 1,
                      "children": []
                    },
                    {
                      "field": "bgp.attr.mp_reach.next_hop",
                      "label": "Next hop (32 bytes)",
                      "offset": 73,
                      "length": 32,
                      "children": []
                    },
                    {
                      "field": "bgp.attr.mp_reach.reserved",
                      "label": "Reserved",
                      "offset": 105,
                      "length": 1,
                      "children": []
                    },
                    {
                      "field": "bgp.nlri.prefix",
                      "label": "2a0e:97c7::/48",
                      "offset": 106,
                      "length": 7,
                      "children": []
                    },
                    {
                      "field": "bgp.nlri.prefix",
                      "label": "2a0e:97c6:fe::/48",
                      "offset": 113,
                      "length": 7,
                      "children": []
                    },
                    {
                      "field": "bgp.nlri.prefix",
                      "label": "2a10:cc42:17b7::/48",
                      "offset": 120,
                      "length": 7,
                      "children": []
                    },
                    {
                      "field": "bgp.nlri.prefix",
                      "label": "2a10:cc42:1feb::/48",
                      "offset": 127,
                      "length": 7,
                      "children": []
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}