net-eth1

check network eth1 with interface eth1
  start program = "/sbin/ifup eth1"
  stop program = "/sbin/ifdown eth1"
  if changed link capacity then alert
  if failed link then restart
  if changed link then alert
  if saturation > 50% for 10 cycles then alert
  #if upload > 10 Mb/s for 10 cycles then alert
  #if download > 10 MB/s for 10 cycles then alert
  #if upload > 1000 packets/s for 10 cycles then alert
  #if download > 1000 packets/s for 10 cycles then alert
  #if total upload > 10 GB in last 1 hour for 10 cycles then alert
  #if total download > 10 GB in last 1 hours for 10 cycles then alert