network speed question

Kelly Prescott prescott at deltav.org
Tue Jul 19 18:25:59 EDT 2005


The simplest solution is to try a switch between the 2 units.
What you are probably seeing is negociation issues.
while it is true that cross cables do work, it has been my experience that 
a cheap switch in the middle dramatically improves life.

hth



On Tue, 19 Jul 2005, Lorenzo Taylor wrote:

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> I have a PC that I am using as a router/firewall.  It has 2 network cards, the
> second of which (eth1) is used to connect directly to my laptop using a
> crossover network cable.
>
> The connection does work.  The only problem is that my connection speed never
> exceeds 425KB/s in either direction. My connection to the internet is a full 5
> megabits download speed.  But my laptop won't receive data faster than 4.5KB/s
> either from the internet or directly from the PC, and it can't send at a faster
> speed either.
>
> The only way I could increase the speed between the 2 computers was to adjust
> the MTU to 100 on both connected interfaces.  That gave me a maximum connection
> speed of about 850KB/s but it slowed my laptop's connection down to about
> 50KB/s.
>
> Both the PC and laptop are running Debian with a 2.6.11 kernel, but I have had
> similar experiences with other distributions and both 2.4 and 2.6 kernels.
>
> It is interesting to note, also, that I once had a laptop that was running WinXP
> and FC3 at different times in its life.  FC3 gave me the same problem and WinXP
> gave me about a 20MB/s connection going into the laptop and a 70KB/s connection
> going to the PC.
>
> Any help to clear up this problem is greatly appreciated.
>
> Thanks,
> Lorenzo
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