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Re: [sailer@bnl.gov: Network Throughput]



On Wed, Jan 03, 2001 at 10:19:18PM -0800, Luca Filipozzi wrote:
> On Thu, Jan 04, 2001 at 01:10:39AM -0500, tps@unslept.com wrote:
> > I have a Debian box with 2 NICs. Both 100Meg, running in full duplex. This
> > machine is running as a ftp proxy. As part of the traffic going through the
> > box, some streams have 1000k window size for a certain reason. How do
> > I tune the NICs to handle the streams better? There are ways of doing this
> > on other OSs. Right now, the box only does about 1.8Mb when it should be doing
> > 80+Mb.
> > 
> > Thanks,
> > Tim
> > 
> > PS: This is really something to do with the window size and WAN latency.
> > The box does well when traffic goes in one NIC and out the other, as long
> > as the end point is local When it hits the WAN, it all dies. Traffic not
> > going through the box just flies rignt along.
> 
> you may wish to modify the MTU of the interfaces

It's set at 1500, which is the mac, I believe.

Tim

-- 
   >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
   >> Tim Sailer (at home)             ><  Coastal Internet, Inc.          <<
   >> Network and Systems Operations   ><  PO Box 671                      <<
   >> http://www.buoy.com              ><  Ridge, NY 11961                 <<
   >> tps@unslept.com/tps@buoy.com     ><  (631) 476-3031                  <<
   >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<



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