From: MADMAN (dave@xxxxxxxxxxxxxx)
Date: Thu May 30 2002 - 11:58:48 GMT-3
Good info as this is a common problem. Customer gets a T3, fires up
some application on their Windows PC and calls wondering why they aren't
getting ~45M thruput!!! Seems so simple but it's often hard to get the
point across, with the small window you'll never fill a fat pipe.
Dave
jeff gercken wrote:
>
> I discovered some useful info while working on an FTP slowness complaint
> (~160K over a full T3) Windows' TCP stack implementations are detuned by
> default. Win 9x's sucks. Win 2K & ME are better at window adjustment but by
> default use an MTU of 570 when xmiting to another subnet. Lots of other
> options/registry keys. See:
> http://support.microsoft.com/search/preview.aspx?scid=kb;en-us;Q224829
> http://support.microsoft.com/search/preview.aspx?scid=kb;en-us;Q159211
> http://www.cisco.com/warp/public/105/38.shtml
> http://www-didc.lbl.gov/tcp-wan.html
>
> Thought this might be usefull to many.
> -Jeff
>
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 10:59:12 GMT-3