Fix internet traffic meter counters

utility_meters.yaml

@@ -1,40 +1,47 @@
-# Internet traffic
+# Internet traffic: difference cumulative byte counters, not derivative rates (B/s).
+# Allow counters to reset when the router/interface restarts.
   internet_usage_in_monthly:
-    source: sensor.wan_in_derivative
+    source: sensor.snmp_wan_in
     name: Monthly internet traffic in
     unique_id: monthly_internet_traffic_in
     cycle: monthly
-    delta_values: True
+    delta_values: false
+    periodically_resetting: true
   internet_usage_out_monthly:
-    source: sensor.wan_out_derivative
+    source: sensor.snmp_wan_out
     name: Monthly internet traffic out
     unique_id: monthly_internet_traffic_out
     cycle: monthly
-    delta_values: True
+    delta_values: false
+    periodically_resetting: true
   internet_usage_in_daily:
-    source: sensor.wan_in_derivative
+    source: sensor.snmp_wan_in
     name: Daily internet traffic in
     unique_id: daily_internet_traffic_in
     cycle: daily
-    delta_values: True
+    delta_values: false
+    periodically_resetting: true
   internet_usage_out_daily:
-    source: sensor.wan_out_derivative
+    source: sensor.snmp_wan_out
     name: Daily internet traffic out
     unique_id: daily_internet_traffic_out
     cycle: daily
-    delta_values: True
+    delta_values: false
+    periodically_resetting: true
   internet_usage_in_hourly:
-    source: sensor.wan_in_derivative
+    source: sensor.snmp_wan_in
     name: Hourly internet traffic in
     unique_id: hourly_internet_traffic_in
     cycle: hourly
-    delta_values: True
+    delta_values: false
+    periodically_resetting: true
   internet_usage_out_hourly:
-    source: sensor.wan_out_derivative
+    source: sensor.snmp_wan_out
     name: Hourly internet traffic out
     unique_id: hourly_internet_traffic_out
     cycle: hourly
-    delta_values: True
+    delta_values: false
+    periodically_resetting: true
 
 # Energy
   energy_import_daily: