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bgpd: EVPN fix per rd specific type-2 json output
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Current Issue:

paths key is not there for
'show bgp l2vpn evpn route rd <rd-id> mac <mac> json' uses
evpn prefix as key for each path.
Replace the evpn prefix with "paths".
This aligned with overall EVPN RIB json output like
'show bgp l2vpn evpn route json'
'show bgp l2vpn evpn route rd <> type 2 json'

Fix:

paths key is added instead of prefix info.

Ticket:#4087461

Issue:4087461

Testing:

Before fix:

leaf22# show bgp l2vpn evpn route rd 6.0.0.17:2 mac 00:02:00:00:00:12 json
{
  "prefix":"[2]:[0]:[48]:[00:02:00:00:00:12]",
  "prefixLen":352,
  "rd":"6.0.0.17:2",
  "routeType":2,
  "ethTag":0,
  "macLen":48,
  "mac":"00:02:00:00:00:12",
  "advertisedTo":{
    "220.20.0.33":{
      "hostname":"spine21"
    },
    "220.21.0.33":{
      "hostname":"spine22"
    }
  },
  "[2]:[0]:[48]:[00:02:00:00:00:12]":[ <=====  Prefix info instead of "paths" key
    [
      {
        "vni":"101101",
        "aspath":{
          "string":"65202 65024",
          "segments":[
            {
              "type":"as-sequence",
              "list":[
                65202,
                65024
              ]
            }
          ],
          "length":2
        },
        "esi":"03:00:00:00:77:02:04:00:00:18",
        "es_info":{
          "localEs":true
        },
        "origin":"IGP",
        "valid":true,
        "version":5,
        "bestpath":{
          "bestpathFromAs":65202,
          "overall":true,
          "selectionReason":"Older Path"
        },
        "extendedCommunity":{
          "string":"RT:65024:101101 ET:8"
        },
        "lastUpdate":{
          "epoch":1726803218,
          "string":"Fri Sep 20 03:33:38 2024\n"
        },
        "nexthops":[
          {
            "ip":"6.0.0.17",
            "hostname":"spine21",
            "afi":"ipv4",
            "metric":0,
            "accessible":true,
            "used":true
          }
        ],
        "peer":{
          "peerId":"220.20.0.33",
          "routerId":"6.0.0.20",
          "hostname":"spine21",
          "type":"external"
        }
      }
    ],
    [
      {
        "vni":"101101",
        "aspath":{
          "string":"65202 65024",
          "segments":[
            {
              "type":"as-sequence",
              "list":[
                65202,
                65024
              ]
            }
          ],
          "length":2
        },
        "esi":"03:00:00:00:77:02:04:00:00:18",
        "es_info":{
          "localEs":true
        },
        "origin":"IGP",
        "valid":true,
        "version":5,
        "extendedCommunity":{
          "string":"RT:65024:101101 ET:8"
        },
        "lastUpdate":{
          "epoch":1726803218,
          "string":"Fri Sep 20 03:33:38 2024\n"
        },
        "nexthops":[
          {
            "ip":"6.0.0.17",
            "hostname":"spine22",
            "afi":"ipv4",
            "metric":0,
            "accessible":true,
            "used":true
          }
        ],
        "peer":{
          "peerId":"220.21.0.33",
          "routerId":"6.0.0.21",
          "hostname":"spine22",
          "type":"external"
        }
      }
    ]
  ],
  "numPaths":2
}

After fix:

eaf22# show bgp l2vpn evpn route rd 6.0.0.17:2 mac 00:02:00:00:00:12 json
{
  "prefix":"[2]:[0]:[48]:[00:02:00:00:00:12]",
  "prefixLen":352,
  "rd":"6.0.0.17:2",
  "routeType":2,
  "ethTag":0,
  "macLen":48,
  "mac":"00:02:00:00:00:12",
  "advertisedTo":{
    "220.20.0.33":{
      "hostname":"spine21"
    },
    "220.21.0.33":{
      "hostname":"spine22"
    }
  },
  "paths":[
    [
      {
        "vni":"101101",
        "aspath":{
          "string":"65202 65024",
          "segments":[
            {
              "type":"as-sequence",
              "list":[
                65202,
                65024
              ]
            }
          ],
          "length":2
        },
        "esi":"03:00:00:00:77:02:04:00:00:18",
        "es_info":{
          "localEs":true
        },
        "origin":"IGP",
        "valid":true,
        "version":3,
        "bestpath":{
          "bestpathFromAs":65202,
          "overall":true,
          "selectionReason":"Router ID"
        },
        "extendedCommunity":{
          "string":"RT:65024:101101 ET:8"
        },
        "lastUpdate":{
          "epoch":1727175046,
          "string":"Tue Sep 24 10:50:46 2024\n"
        },
        "nexthops":[
          {
            "ip":"6.0.0.17",
            "hostname":"spine21",
            "afi":"ipv4",
            "metric":0,
            "accessible":true,
            "used":true
          }
        ],
        "peer":{
          "peerId":"220.20.0.33",
          "routerId":"6.0.0.20",
          "hostname":"spine21",
          "type":"external"
        }
      }
    ],
    [
      {
        "vni":"101101",
        "aspath":{
          "string":"65202 65024",
          "segments":[
            {
              "type":"as-sequence",
              "list":[
                65202,
                65024
              ]
            }
          ],
          "length":2
        },
        "esi":"03:00:00:00:77:02:04:00:00:18",
        "es_info":{
          "localEs":true
        },
        "origin":"IGP",
        "valid":true,
        "version":3,
        "extendedCommunity":{
          "string":"RT:65024:101101 ET:8"
        },
        "lastUpdate":{
          "epoch":1727175046,
          "string":"Tue Sep 24 10:50:46 2024\n"
        },
        "nexthops":[
          {
            "ip":"6.0.0.17",
            "hostname":"spine22",
            "afi":"ipv4",
            "metric":0,
            "accessible":true,
            "used":true
          }
        ],
        "peer":{
          "peerId":"220.21.0.33",
          "routerId":"6.0.0.21",
          "hostname":"spine22",
          "type":"external"
        }
      }
    ]
  ],
  "numPaths":2
}

Signed-off-by: Sindhu Parvathi Gopinathan's <[email protected]>
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@chiragshah6
Sindhu Parvathi Gopinathan authored and chiragshah6 committed Sep 25, 2024
1 parent 2203dc4 commit ff008ce
Showing 1 changed file with 2 additions and 2 deletions.
4 changes: 2 additions & 2 deletions bgpd/bgp_evpn_vty.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2820,9 +2820,9 @@ static void evpn_show_route_rd_macip(struct vty *vty, struct bgp *bgp,
path_cnt++;
}

if (json && path_cnt) {
if (json) {
if (path_cnt)
json_object_object_addf(json, json_paths, "%pFX", &p);
json_object_object_add(json, "paths", json_paths);
json_object_int_add(json, "numPaths", path_cnt);
} else {
vty_out(vty, "\nDisplayed %u paths for requested prefix\n",
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