Subject:   -36- How can I measure my network's reliability?
Date: 22 Oct 1995 00:00:01 EST

  Don't worry about collisions. They are part of normal operation on a
  crowded Ethernet. You *should* worry about late collisions (which are
  logged to the console) and lost packets (which you can easily measure
  with the command 'ping -fs 3000 -c 1000 someotherhost'), which usually
  mean network hardware problems or a misconfigured bridge or router.

  See the Ethernet FAQ (posted to comp.dcom.lans.ethernet and FTPable
  from ftp://rtfm.mit.edu/pub/usenet/comp.dcom.lans.ethernet/ and other
  news.answers archives), Chapter 18 of the "IRIX Advanced Site and
  Server Administration Guide" and the Sep/Oct 1993 Pipeline for more.