[dba-Tech] Troubleshooting network issues

One of my clients is apparently having network issues, i.e. starting just
this morning, suddenly the main database be is getting corrupted, as in more
than a dozen times today.  The common wisdom is that corrupted BEs is a
network issue - NICS, cables, switches, routers etc.  Does anyone have any
experience tracking down such a problem, any recommendations for tools that
would watch for intermittent network connections, troubleshooting
suggestions for trying to isolate the offending piece of the puzzle?
 
John W. Colby
Colby Consulting
www.ColbyConsulting.com