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Linux - Networking This forum is for any issue related to networks or networking.
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Old 06-10-2001, 03:05 PM   #1
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Registered: Jun 2001
Posts: 3

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I'm getting transfers (ftp get) of 20KB/s on a
10 megabit LAN between two Linux machines. Server is
running xinetd (in.ftpd) on SuSE PowerPC Linux 7.1.
Client is running RedHat 7.1.

I'm using the command line ftp client, ftp.

I had uploaded to the same server (SuSE's in.ftpd) from
Windows using ftp.exe, and got 1 MB/s as I'd expect.

But downloads using RedHat 7.1 ftp client are 20 KB/s,
and I can see by the regular, short blinks of traffic
that it's not using the bandwidth. I turned off
"passive" mode, and am using "clear" mode.

My command from the client was:
redhat> ftp
I logged in as myself (my user account, not root)

Old 06-10-2001, 03:17 PM   #2
Senior Member
Registered: May 2001
Location: Bristol, UK
Distribution: Slackware, Fedora, RHES
Posts: 2,243

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20KB/s - some people just don't know when they're well off

The only thing I can suggest is sniffing the cable with something like ethereal to see whats going on. This way you'll be able to see if there are big pauses and whats causing them, or wether you are getting lots of bad packets etc. You might want to have a look at your bad packets count from 'ifconfig ethX' just to check, but if other networking functions are OK I doubt this would be the case.


Old 06-10-2001, 05:53 PM   #3
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Registered: Jun 2001
Posts: 3

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Hi Jamie, I can upload at 850 KB/s (using both Linux
and Windows FTP clients), but download speed is 20 KB/s
using Linux ftp client, and 50 KB/s using Windows

Is the ftp daemon (in.ftpd) enforcing some kind of download
bandwidth limit, do you think?

I'm definitely seeing pauses during transfer. I get
a sharp (0.1 s or less) blink on, followed by .5 sec
pause, blink on, etc.

I'm guessing there's something to configure on the
server side, but I'm not sure where to look.

Thanks for your help,

P.S. ...and the only thing keeping me from 10 megabytes
per second on the LAN is the hub----hmm, maybe time
to upgrade...hmmm...


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