FC2 - Strange Ethernet Behavior

[James Wilkinson]

John Krische wrote:
> Followup info on the networking problem I'm getting on FC2 (connection 
> speed plummeting for no apparent reason after ~1MB of sustained 
> traffic).  I've managed to rule out our main router and firewall as a 
> potential source, as the problem is appearing between hosts on the 
> internal LAN, going through a very nice switch.  I've also ruled out the 
> TCP Window Scale suggestion by Andy Green - tried various network ops 
> (internal LAN) with and without scaling, no effect whatsoever.  I have 
> further confirmed 100% that the problem is restricted to our FC2 boxes 
> only.  We have a Debian box that is running kernel 2.6.7, same as the 
> FC2's, and is using the same NIC model & module as at least one of our 
> FC2's, but that debian system has none of these strange network behaviors.

Are you running FC2 kernels? What happens if you compile one from
kernel.org and try that?

James.

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