VYOS Routers interface utilisation
This dashboard graphs the input and output packets on VYOS router interfaces eth0 and eth1
The following is the telegraf configuration in /etc/telegraf/telegraf.d/monitor-vyos-snmp.conf


[[inputs.snmp]]
    agents = [ "<host1-ip>:161" ]
    version = 2
    community = "public"
    name = "snmp"
    [[inputs.snmp.field]]
        name = "hostname"
        oid = "SNMPv2-MIB::sysName.0"
        is_tag = true
    [[inputs.snmp.table]]
        name = "snmp"
        inherit_tags = [ "hostname" ]
        oid = "IF-MIB::ifXTable"
    [[inputs.snmp.table.field]]
        name = "ifName"
        oid = "IF-MIB::ifName.2"
        is_tag = true
	  
[[inputs.snmp]]
	agents = [ "<host2-ip>:161" ]
	version = 2
	community = "public"
	name = "snmp"
    [[inputs.snmp.field]]
        name = "hostname"
        oid = "SNMPv2-MIB::sysName.0"
        is_tag = true
    [[inputs.snmp.table]]
        name = "snmp"
        inherit_tags = [ "hostname" ]
        oid = "IF-MIB::ifXTable"
    [[inputs.snmp.table.field]]
        name = "ifName"
        oid = "IF-MIB::ifName.2"
        is_tag = true

{
  "__inputs": [
    {
      "name": "DS_INFLUXDB-TELEGRAF",
      "label": "InfluxDB-Telegraf",
      "description": "",
      "type": "datasource",
      "pluginId": "influxdb",
      "pluginName": "InfluxDB"
    }
  ],
  "__requires": [
    {
      "type": "grafana",
      "id": "grafana",
      "name": "Grafana",
      "version": "7.0.3"
    },
    {
      "type": "panel",
      "id": "graph",
      "name": "Graph",
      "version": ""
    },
    {
      "type": "datasource",
      "id": "influxdb",
      "name": "InfluxDB",
      "version": "1.0.0"
    }
  ],
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": "-- Grafana --",
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",
        "type": "dashboard"
      }
    ]
  },
  "editable": true,
  "gnetId": 12564,
  "graphTooltip": 0,
  "id": null,
  "links": [],
  "panels": [
    {
      "alert": {
        "alertRuleTags": {},
        "conditions": [
          {
            "evaluator": {
              "params": [
                1500
              ],
              "type": "lt"
            },
            "operator": {
              "type": "and"
            },
            "query": {
              "params": [
                "D",
                "5m",
                "now"
              ]
            },
            "reducer": {
              "params": [],
              "type": "avg"
            },
            "type": "query"
          }
        ],
        "executionErrorState": "alerting",
        "for": "5m",
        "frequency": "1m",
        "handler": 1,
        "name": "VYOS1 eth0 utilisation alert",
        "noDataState": "no_data",
        "notifications": []
      },
      "aliasColors": {},
      "bars": false,
      "cacheTimeout": null,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_INFLUXDB-TELEGRAF}",
      "description": "interface utilization on Eth0",
      "fieldConfig": {
        "defaults": {
          "custom": {}
        },
        "overrides": []
      },
      "fill": 1,
      "fillGradient": 0,
      "gridPos": {
        "h": 7,
        "w": 24,
        "x": 0,
        "y": 0
      },
      "hiddenSeries": false,
      "id": 2,
      "interval": "",
      "legend": {
        "alignAsTable": false,
        "avg": false,
        "current": true,
        "hideEmpty": false,
        "hideZero": false,
        "max": false,
        "min": false,
        "rightSide": false,
        "show": true,
        "total": false,
        "values": true
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "options": {
        "dataLinks": []
      },
      "percentage": false,
      "pluginVersion": "6.7.2",
      "pointradius": 2,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [
        {}
      ],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "alias": "$tag_ifName $col",
          "groupBy": [
            {
              "params": [
                "$__interval"
              ],
              "type": "time"
            },
            {
              "params": [
                "null"
              ],
              "type": "fill"
            }
          ],
          "hide": false,
          "orderByTime": "ASC",
          "policy": "default",
          "query": "SELECT non_negative_derivative(mean(\"ifHCInOctets\"), 1s) *8 AS \"In\" FROM \"snmp\" WHERE (\"hostname\" = 'VYOS1' AND \"ifAlias\" = 'eth0') AND $timeFilter GROUP BY time($__interval), \"hostname\", \"ifName\" fill(null)",
          "rawQuery": true,
          "refId": "C",
          "resultFormat": "time_series",
          "select": [
            [
              {
                "params": [
                  "value"
                ],
                "type": "field"
              },
              {
                "params": [],
                "type": "mean"
              }
            ]
          ],
          "tags": []
        },
        {
          "alias": "$tag_ifName $col",
          "groupBy": [
            {
              "params": [
                "$__interval"
              ],
              "type": "time"
            },
            {
              "params": [
                "null"
              ],
              "type": "fill"
            }
          ],
          "hide": false,
          "orderByTime": "ASC",
          "policy": "default",
          "query": "SELECT non_negative_derivative(mean(\"ifHCOutOctets\"), 1s) *8 AS \"Out\" FROM \"snmp\" WHERE (\"hostname\" = 'VYOS1' AND \"ifName\" = 'eth0') AND $timeFilter GROUP BY time($__interval), \"hostname\", \"ifName\" fill(null)",
          "rawQuery": true,
          "refId": "D",
          "resultFormat": "time_series",
          "select": [
            [
              {
                "params": [
                  "value"
                ],
                "type": "field"
              },
              {
                "params": [],
                "type": "mean"
              }
            ]
          ],
          "tags": []
        }
      ],
      "thresholds": [
        {
          "colorMode": "critical",
          "fill": true,
          "line": true,
          "op": "lt",
          "value": 1500
        }
      ],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "VYOS1 eth0 utilisation",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "bps",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "decimals": null,
          "format": "KBs",
          "label": "",
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "alert": {
        "alertRuleTags": {},
        "conditions": [
          {
            "evaluator": {
              "params": [
                10
              ],
              "type": "lt"
            },
            "operator": {
              "type": "and"
            },
            "query": {
              "params": [
                "B",
                "5m",
                "now"
              ]
            },
            "reducer": {
              "params": [],
              "type": "avg"
            },
            "type": "query"
          }
        ],
        "executionErrorState": "alerting",
        "for": "5m",
        "frequency": "1m",
        "handler": 1,
        "name": "VYOS1 eth1 alert",
        "noDataState": "no_data",
        "notifications": []
      },
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_INFLUXDB-TELEGRAF}",
      "fieldConfig": {
        "defaults": {
          "custom": {}
        },
        "overrides": []
      },
      "fill": 1,
      "fillGradient": 0,
      "gridPos": {
        "h": 7,
        "w": 24,
        "x": 0,
        "y": 7
      },
      "hiddenSeries": false,
      "id": 6,
      "interval": "",
      "legend": {
        "avg": false,
        "current": true,
        "max": false,
        "min": false,
        "show": true,
        "total": false,
        "values": true
      },
      "lines": true,
      "linewidth": 1,
      "nullPointMode": "null",
      "options": {
        "dataLinks": []
      },
      "percentage": false,
      "pointradius": 2,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "alias": "$tag_ifName $col",
          "groupBy": [
            {
              "params": [
                "$__interval"
              ],
              "type": "time"
            },
            {
              "params": [
                "null"
              ],
              "type": "fill"
            }
          ],
          "orderByTime": "ASC",
          "policy": "default",
          "query": "SELECT non_negative_derivative(mean(\"ifHCInOctets\"), 1s) *8 AS \"In\" FROM \"snmp\" WHERE (\"hostname\" = 'VYOS1' AND \"ifName\" = 'eth1') AND $timeFilter GROUP BY time($__interval), \"hostname\", \"ifName\" fill(null)",
          "rawQuery": true,
          "refId": "A",
          "resultFormat": "time_series",
          "select": [
            [
              {
                "params": [
                  "value"
                ],
                "type": "field"
              },
              {
                "params": [],
                "type": "mean"
              }
            ]
          ],
          "tags": []
        },
        {
          "alias": "$tag_ifName $col",
          "groupBy": [
            {
              "params": [
                "$__interval"
              ],
              "type": "time"
            },
            {
              "params": [
                "null"
              ],
              "type": "fill"
            }
          ],
          "orderByTime": "ASC",
          "policy": "default",
          "query": "SELECT non_negative_derivative(mean(\"ifHCOutOctets\"), 1s) *8 AS \"Out\" FROM \"snmp\" WHERE (\"hostname\" = 'VYOS1' AND \"ifName\" = 'eth1') AND $timeFilter GROUP BY time($__interval), \"hostname\", \"ifName\" fill(null)",
          "rawQuery": true,
          "refId": "B",
          "resultFormat": "time_series",
          "select": [
            [
              {
                "params": [
                  "value"
                ],
                "type": "field"
              },
              {
                "params": [],
                "type": "mean"
              }
            ]
          ],
          "tags": []
        }
      ],
      "thresholds": [
        {
          "colorMode": "critical",
          "fill": true,
          "line": true,
          "op": "lt",
          "value": 10,
          "yaxis": "left"
        }
      ],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "VYOS1 eth1 Utilisation",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "bps",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "alert": {
        "alertRuleTags": {},
        "conditions": [
          {
            "evaluator": {
              "params": [
                100
              ],
              "type": "lt"
            },
            "operator": {
              "type": "and"
            },
            "query": {
              "params": [
                "A",
                "5m",
                "now"
              ]
            },
            "reducer": {
              "params": [],
              "type": "avg"
            },
            "type": "query"
          }
        ],
        "executionErrorState": "alerting",
        "for": "5m",
        "frequency": "1m",
        "handler": 1,
        "name": "VYOS2 alert",
        "noDataState": "no_data",
        "notifications": []
      },
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_INFLUXDB-TELEGRAF}",
      "fieldConfig": {
        "defaults": {
          "custom": {}
        },
        "overrides": []
      },
      "fill": 1,
      "fillGradient": 0,
      "gridPos": {
        "h": 7,
        "w": 24,
        "x": 0,
        "y": 14
      },
      "hiddenSeries": false,
      "id": 4,
      "interval": "",
      "legend": {
        "avg": false,
        "current": true,
        "max": false,
        "min": false,
        "show": true,
        "total": false,
        "values": true
      },
      "lines": true,
      "linewidth": 1,
      "nullPointMode": "null",
      "options": {
        "dataLinks": []
      },
      "percentage": false,
      "pointradius": 2,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "alias": "$tag_ifName $col",
          "groupBy": [
            {
              "params": [
                "$__interval"
              ],
              "type": "time"
            },
            {
              "params": [
                "null"
              ],
              "type": "fill"
            }
          ],
          "orderByTime": "ASC",
          "policy": "default",
          "query": "SELECT non_negative_derivative(mean(\"ifHCInOctets\"), 1s) *8 AS \"In\" FROM \"snmp\" WHERE (\"hostname\" = 'ip-10-16-20-120' AND \"ifName\" = 'eth0') AND $timeFilter GROUP BY time($__interval), \"hostname\", \"ifName\" fill(null)",
          "rawQuery": true,
          "refId": "A",
          "resultFormat": "time_series",
          "select": [
            [
              {
                "params": [
                  "value"
                ],
                "type": "field"
              },
              {
                "params": [],
                "type": "mean"
              }
            ]
          ],
          "tags": []
        },
        {
          "alias": "$tag_ifName $col",
          "groupBy": [
            {
              "params": [
                "$__interval"
              ],
              "type": "time"
            },
            {
              "params": [
                "null"
              ],
              "type": "fill"
            }
          ],
          "orderByTime": "ASC",
          "policy": "default",
          "query": "SELECT non_negative_derivative(mean(\"ifHCOutOctets\"), 1s) *8 AS \"Out\" FROM \"snmp\" WHERE (\"hostname\" = 'ip-10-16-20-120' AND \"ifName\" = 'eth0') AND $timeFilter GROUP BY time($__interval), \"hostname\", \"ifName\" fill(null)",
          "rawQuery": true,
          "refId": "B",
          "resultFormat": "time_series",
          "select": [
            [
              {
                "params": [
                  "value"
                ],
                "type": "field"
              },
              {
                "params": [],
                "type": "mean"
              }
            ]
          ],
          "tags": []
        }
      ],
      "thresholds": [
        {
          "colorMode": "critical",
          "fill": true,
          "line": true,
          "op": "lt",
          "value": 100
        }
      ],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "VYOS2 eth0 Utilisation",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "transparent": true,
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "bps",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "alert": {
        "alertRuleTags": {},
        "conditions": [
          {
            "evaluator": {
              "params": [
                30
              ],
              "type": "lt"
            },
            "operator": {
              "type": "and"
            },
            "query": {
              "params": [
                "B",
                "5m",
                "now"
              ]
            },
            "reducer": {
              "params": [],
              "type": "avg"
            },
            "type": "query"
          }
        ],
        "executionErrorState": "alerting",
        "for": "5m",
        "frequency": "1m",
        "handler": 1,
        "name": "VYOS2 eth1 utlisation alert",
        "noDataState": "alerting",
        "notifications": []
      },
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_INFLUXDB-TELEGRAF}",
      "fieldConfig": {
        "defaults": {
          "custom": {}
        },
        "overrides": []
      },
      "fill": 1,
      "fillGradient": 0,
      "gridPos": {
        "h": 8,
        "w": 24,
        "x": 0,
        "y": 21
      },
      "hiddenSeries": false,
      "id": 8,
      "legend": {
        "avg": false,
        "current": true,
        "max": false,
        "min": false,
        "show": true,
        "total": false,
        "values": true
      },
      "lines": true,
      "linewidth": 1,
      "nullPointMode": "null",
      "options": {
        "dataLinks": []
      },
      "percentage": false,
      "pointradius": 2,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "alias": "$tag_ifName $col",
          "groupBy": [
            {
              "params": [
                "$__interval"
              ],
              "type": "time"
            },
            {
              "params": [
                "null"
              ],
              "type": "fill"
            }
          ],
          "orderByTime": "ASC",
          "policy": "default",
          "query": "SELECT non_negative_derivative(mean(\"ifHCInOctets\"), 1s) *8 AS \"In\" FROM \"snmp\" WHERE (\"hostname\" = 'ip-10-16-20-120' AND \"ifName\" = 'eth1') AND $timeFilter GROUP BY time($__interval), \"hostname\", \"ifName\" fill(null)",
          "rawQuery": true,
          "refId": "A",
          "resultFormat": "time_series",
          "select": [
            [
              {
                "params": [
                  "value"
                ],
                "type": "field"
              },
              {
                "params": [],
                "type": "mean"
              }
            ]
          ],
          "tags": []
        },
        {
          "alias": "$tag_ifName $col",
          "groupBy": [
            {
              "params": [
                "$__interval"
              ],
              "type": "time"
            },
            {
              "params": [
                "null"
              ],
              "type": "fill"
            }
          ],
          "orderByTime": "ASC",
          "policy": "default",
          "query": "SELECT non_negative_derivative(mean(\"ifHCOutOctets\"), 1s) *8 AS \"Out\" FROM \"snmp\" WHERE (\"hostname\" = 'ip-10-16-20-120' AND \"ifName\" = 'eth1') AND $timeFilter GROUP BY time($__interval), \"hostname\", \"ifName\" fill(null)",
          "rawQuery": true,
          "refId": "B",
          "resultFormat": "time_series",
          "select": [
            [
              {
                "params": [
                  "value"
                ],
                "type": "field"
              },
              {
                "params": [],
                "type": "mean"
              }
            ]
          ],
          "tags": []
        }
      ],
      "thresholds": [
        {
          "colorMode": "critical",
          "fill": true,
          "line": true,
          "op": "lt",
          "value": 30
        }
      ],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "VYOS2 eth1 Utilisation",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "transparent": true,
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "bps",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    }
  ],
  "refresh": "1m",
  "schemaVersion": 25,
  "style": "dark",
  "tags": [],
  "templating": {
    "list": []
  },
  "time": {
    "from": "now-6h",
    "to": "now"
  },
  "timepicker": {
    "hidden": false,
    "refresh_intervals": [
      "10s",
      "30s",
      "1m",
      "5m",
      "15m",
      "30m",
      "1h",
      "2h",
      "1d"
    ]
  },
  "timezone": "",
  "title": "VYOS Routers interface utilisation",
  "uid": "gXvbZf6Zk",
  "version": 11,
  "description": "This dashboard graphs the input and output packets on VYOS router interfaces eth0 and eth1"
}