I was having a similar problem on my small office network, and it turned out to be a switch that was starting to fail. Interestingly enough, the errors were all on received packets. Outgoing ones were fine, which is what made this difficult to diagnose. Replacing the switch fixed the problem.
rubberman
Posting Virtuoso
1,561 posts since Mar 2010
Reputation Points: 277
Solved Threads: 179