Re: TCP performance eepro100

Daniel Freedman (freedman@ccmr.cornell.edu)
Thu, 6 Dec 2001 23:12:25 -0500


On Thu, Dec 06, 2001, Jon wrote:
> Has anyone done testing on eepro100 and seen really poor performance? I am
> seeing that the eepro100 in SuSE 2.4.7 and above is 50% slower than than
> 2.4.2 in RH 7.1 I am doing a simple test with ttcp against another RH server
> and then SuSE vs SuSE or vs the RH system. In all cases the eepro100at best
> shows 39mbs. In modules.conf I am setting options="0x30" that forces 100mbps
> Full Duplex, this is also reflected in dmesg. With the new intel e100 it is
> possible to get 60mbps on SuSE. Is there something in the Kernel build or
> Driver build that is multi-casting or filtering that may cause this? Any
> ideas at this point would help. BTW, I am using SMP Kernels on all the
> systems.

Jon,

No great thoughts other than to report that I did netpipe-tcp (from
Debian woody) testing of my eepro100's using a custom SMP 2.4.9
kernel, and easily saw 90 megabits per second. Sorry I couldn't help
more.

Take care,
Daniel

> Regards,
>
> Jon
>

-- 
Daniel A. Freedman
Laboratory for Atomic and Solid State Physics
Department of Physics
Cornell University
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/