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Bug 67758 - ftp transfers are very slow, 500MB takes 2 hours.
ftp transfers are very slow, 500MB takes 2 hours.
Status: CLOSED DUPLICATE of bug 78616
Product: Red Hat Linux
Classification: Retired
Component: kernel (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: Arjan van de Ven
David Lawrence
Depends On:
  Show dependency treegraph
Reported: 2002-07-01 14:22 EDT by Karen
Modified: 2007-04-18 12:43 EDT (History)
1 user (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2002-07-02 15:02:11 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Karen 2002-07-01 14:22:46 EDT
From Bugzilla Helper:
User-Agent: Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.0)

Description of problem:

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. ftp a file from this box to another Linux box
2. ftp a file from this box to another HP box
3. ftp a file to this box from either above. All Linux builds on IBM xseries 
rack mounts are behaving the same.

Actual Results:  The ftp works but it takes a couple of hours for just a 500MB 

Expected Results:  Should happen pretty fast.

Additional info:
Comment 1 Bernhard Rosenkraenzer 2002-07-02 06:21:55 EDT
This can have a number of reasons, and wu-ftpd isn't likely to be the culprit. 
It is much more likely that the driver for your network card isn't performing 
- What network card are you using? 
- Does the same happen if you use "ftp localhost" to download the file? 
Comment 2 Karen 2002-07-02 09:57:28 EDT
This is a standard integrated adapter on the IBM xseries 330, 10/100 Mbps. I 
tried to ftp to localhost and it does seem to be fast.

How do I tell what driver it is using?

Comment 3 Bernhard Rosenkraenzer 2002-07-02 10:02:34 EDT
You can tell which driver you are using by looking at the output of lsmod. 
It lists all currently loaded kernel modules [mostly drivers]. 
Since ftp localhost is not affected, this is almost certainly driver related; 
changing component.
Comment 4 Karen 2002-07-02 10:17:08 EDT
# lsmod
Module                  Size  Used by
mvfs                  303136   2 
nfs                    79008   5  (autoclean)
lockd                  52464   1  (autoclean) [nfs]
sunrpc                 61328   1  [mvfs nfs lockd]
eepro100               16624   1  (autoclean)
ipchains               38976   0  (unused)
usb-ohci               17104   0  (unused)
usbcore                49664   1  [usb-ohci]
aic7xxx               136080   7 
sd_mod                 11680   7 
scsi_mod               95072   2  [aic7xxx sd_mod]
Comment 5 Arjan van de Ven 2002-07-02 12:21:36 EDT
What kernel version are you actually running? If it's not 2.4.9-31, 2.4.9-34 or
2.4.18-5, please upgrade to that first since that has a bugfixed eepro100 driver.
Comment 6 Karen 2002-07-02 15:02:06 EDT
I am currently at 2.4.2-2. I'll try upgrading and see if that fixes. Thanks!
Comment 7 Arjan van de Ven 2002-12-05 15:11:19 EST

*** This bug has been marked as a duplicate of 78616 ***
Comment 8 Karen 2003-01-28 17:06:18 EST
Found the problem! Slow ftp caused by the ethernet switch being set to 
autonegotiate, while the Linux server was set to 100FD. Did a # mii-tool eth0 
to find the correct speed of the NIC.

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