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Redhat 7.3 - Slow LAN throughput

N

Need4Speed

Diamond Member
Alrighty...so I've been playing around with Redhat for awhile and decided to move my ftp for the LAN onto the linux box, and here is what I noticed:

When transferring a file to RH from a Windows Client via ftp, I get somewhere around .3MB/s, but if I download the same file from the Windows machine using ftp on the linux box the throughput is 4x that, around 1.2MB/s. This is on a 100base network connected via a 100/10 auto-neg switch.

Both nics (windows and linux) are Intel Pro/100 S and I have tried every combination of duplex to no avail. This is driving me nuts. Whats the point of having a 100baseT LAN with speeds like that?

Hope someone can help me out here...its driving me nuts. I often transfer large files across my LAN and at those speeds I might as well burn it and take the cd to the linux box 🙂

TIA

-Patrick
 
Actually sounds like a windows nic issue... Have you tried increasing your recieve window on the Win2k nic?
 
Actually, for some strange reason RedHat doesn't choose correct driver for Intel-based NICs. On my IBM Thinkpad T23 laptop which comes with Intel EtherExpress Pro VE 10/100 built-in NIC I had exactly the same problem. Here is what I did to resolve it:

After about 1 day and testing the speed of my network, I went to Intel's web site and they had the driver's for Intel® PRO/100 VE adapter for linux. I did the install as per the read me. I had to do the following however
rmmod eepro100
insmod e100
modified the /etc/modules.conf to load e100 instead of eepro100.

Since than I didn't have any issues with network's performance. I hope this helps,

--Andrey

 
Originally posted by: andrey
Actually, for some strange reason RedHat doesn't choose correct driver for Intel-based NICs. On my IBM Thinkpad T23 laptop which comes with Intel EtherExpress Pro VE 10/100 built-in NIC I had exactly the same problem. Here is what I did to resolve it:

After about 1 day and testing the speed of my network, I went to Intel's web site and they had the driver's for Intel® PRO/100 VE adapter for linux. I did the install as per the read me. I had to do the following however
rmmod eepro100
insmod e100
modified the /etc/modules.conf to load e100 instead of eepro100.

Since than I didn't have any issues with network's performance. I hope this helps,

--Andrey
Click to expand...


That seemed to have helped, thanks
 
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