# you can disable an alarm notification by setting the 'to' line to: silent

# check if a QoS class is dropping packets
# the alarm is checked every 10 seconds
# and examines the last minute of data

   template: 10min_qos_packet_drops
         on: tc.qos_dropped
host labels: _os=linux
     lookup: sum -5m unaligned absolute
      every: 30s
       warn: $this > 0
      units: packets
    summary: QOS packet drops
       info: Dropped packets in the last 5 minutes
         to: silent
