Linux itself gives you decent data from procfs (see /sbin/ifconfig, shows you data transfer in/out per adapter), you can just compare data transfer from the ser

Linux itself gives you decent data from procfs (see /sbin/ifconfig, shows you data transfer in/out per adapter), you can just compare data transfer from the server to any of the boxes that are supposed to connected to. I can’t imagine that even MS would be running ES on windows, although then you’d probably have even more data available.