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Raul,

I had a similar problem, and found that my NICs were set for full duplex.
This forces the card to echo everything it received, effectively garbling
the message and forcing a retransmission.  When I reset them to half duplex,
the traffic cleared up and I got expected throughput.  You may have to boot
the linux box into DOS to use the NIC configuration program, but you can do
that from a floppy disk.  Just use the PC to create a boot disk, add the NIC
configuration stuff, and then use it in the linux machine.

Steve Kram
[EMAIL PROTECTED]


> Date: Fri, 25 Feb 2000 11:21:37 +0000 (WET)
> From: Raul Carvalho <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Subject: [Masq]  Question about performance
>
>  Greetings,
>
>  I have setup up with success IP-Masquerading in my home network. I am
> using RedHat Linux 6.1 and my hardware is composed by a PIII with 64Mb
> RAM, a 33.6kbps analog modem, and a NIC to the private LAN. The CPU runs
> at 500MHz and I have a 128Mb swap partition.
>
>  Though IP-masq works, I have noticed that if I download a file from the
> Internet from the linux box, I get reasonable speeds, compatible with my
> modem bandwidth. But the same file, downloaded from a PC on the eth0 side,
> arrives at a too much low transfer rate.
>
>  I have read some documents concerning this, but they are all too much
> incomplete and the problem they mencion could be due to the fact I could
> be using a poor machine or few RAM. That is not the case, I think...
>
>  Does someone has any idea where should I start tweaking? Please help!
>
>  Thanks a lot,
>
>  Raul
>
>
> --
> Raul Miguel Pinheiro de Carvalho
> ISR - Instituto de Sistemas e Robotica, Porto
> e-mail: [EMAIL PROTECTED]

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