Added a SNMP based (Juniper) internet bandwidth monitor.

sensors.yaml

@@ -18,3 +18,37 @@
         query: 'SELECT table_schema "database", Round(Sum(data_length + index_length) / 1048576, 2) "value" FROM information_schema.tables WHERE table_schema="homeassistant" GROUP BY table_schema;'
         column: 'value'
         unit_of_measurement: MB
+# SNMP (Juniper) router traffic sensor
+  - platform: snmp
+    name: snmp_wan_in
+    host: !secret router_ip
+    community: !secret router_community
+    baseoid: .1.3.6.1.2.1.2.2.1.10.511
+
+  - platform: snmp
+    name: snmp_wan_out
+    host: !secret router_ip
+    community: !secret router_community
+    baseoid: .1.3.6.1.2.1.2.2.1.16.511
+
+  - platform: template
+    sensors:
+        internet_speed_in:
+          friendly_name: 'Internet Speed IN'
+          value_template: '{{ ((states.input_number.internet_traffic_delta_in.state | float ) / 1000000 ) | round(2) }}'
+          unit_of_measurement: 'Mbps'
+
+  - platform: template
+    sensors:
+        internet_speed_out:
+          friendly_name: 'Internet Speed OUT'
+          value_template: '{{ ((states.input_number.internet_traffic_delta_out.state | float ) / 1000000 ) | round(2) }}'
+          unit_of_measurement: 'Mbps'
+
+  - platform: statistics
+    name: 'WAN Traffic In'
+    entity_id: sensor.internet_speed_in
+
+  - platform: statistics
+    name: 'WAN Traffic Out'
+    entity_id: sensor.internet_speed_out