Hi Everybody, I am new to this group and don't know who responsive everybody is, but I am desperate enough to give it a try. Here is my issue: I am running SuSE 7.3 on a Toshiba Tecra 8000, 300MHz P2, 128MB RAM, 6 GB HD and a 3Com PCMCIA LAN card 10/100MBit (Model 3CXFE575BT). I am experiencing a very strange phenomena: When transferring files from another computer (Win2k, Linux, etc.) to my Linux laptop using a ftp client, I get a transfer rate of less than 10kByte/sec. The same happens, when getting a file from my Linux laptop from another ftp-server (Win2k) using the Linux ftp client. However, when pushing data from the Linux latop to any other computer, I am getting full-speed (>1MByte/sec) on a 10MBit LAN. To make things even more confusing, how about this: if I download stuff to my laptop from the Internet, I am also getting full throttle (200kB/sec - 800kB/sec, depending on the server). So, it can't be the network card itself. I also have configured Samba on this laptop and when copying a file to a shared folder, I get an error message after some time. The Samba configuration is identical to another Linux server where it works just perfect. So, what could be wrong? Here is another observation: my NIC usually detects LAN speed automatically (10MBit vs. 100MBit), but not in this Linux laptop. I tested it on my home-LAN which is at 100MBit and the router definitely says that the NIC operates at 10MBit. Could it be, that the driver doesn't really work with this NIC? Any hint or help would be more than welcome - I am clueless... -Uli --------------------------------- Do You Yahoo!? Sign-up for Video Highlights of 2002 FIFA World Cup
On Wed, Jun 05, 2002 at 10:26:20AM -0700, Digger Maus wrote:
Here is my issue:
I am running SuSE 7.3 on a Toshiba Tecra 8000, 300MHz P2, 128MB RAM, 6 GB HD and a 3Com PCMCIA LAN card 10/100MBit (Model 3CXFE575BT).
I am experiencing a very strange phenomena: When transferring files from another computer (Win2k, Linux, etc.) to my Linux laptop using a ftp client, I get a transfer rate of less than 10kByte/sec. The same happens, when getting a file from my Linux laptop from another ftp-server (Win2k) using the Linux ftp client. However, when pushing data from the Linux latop to any other computer, I am getting full-speed (>1MByte/sec) on a 10MBit LAN. To make things even more confusing, how about this: if I download stuff to my laptop from the Internet, I am also getting full throttle (200kB/sec - 800kB/sec, depending on the server). So, it can't be the network card itself.
I also have configured Samba on this laptop and when copying a file to a shared folder, I get an error message after some time. The Samba configuration is identical to another Linux server where it works just perfect.
So, what could be wrong?
Here is another observation: my NIC usually detects LAN speed automatically (10MBit vs. 100MBit), but not in this Linux laptop. I tested it on my home-LAN which is at 100MBit and the router definitely says that the NIC operates at 10MBit.
Could it be, that the driver doesn't really work with this NIC?
Any hint or help would be more than welcome - I am clueless...
Since you get full speed downloads with some applications and less than fill speed other times, that seems to point to an application issue. You mentioned that when you FTP from a Win2K server, it does not run at full speed. Have you tried a different FTP client? or a different FTP server on Win2K? Can you be more specific about which client apps work full speed with which servers and which client apps work slowly with which servers? Best Regards, Keith -- LPIC-2, MCSE, N+ Got spam? Get spastic http://spastic.sourceforge.net
Keith,
thanks for your help.
Let me try to be more specific here:
1. Yes, I tried it with various different ftp clients on Win2k, WinME, Linux and Solaris. All the same result. So, it is not the ftp client.
2. So far, I've only noticed issued with ftp and Samba. The download from the internet was done using Mozilla 1.0 and Konqueror. Both showed full speed.
The speed issue seems to be independend on the OS and HW I am connecting to.
I am currently installing Apache on another PC and see if I can get files using HTTP from that server with full speed.
-Uli
Keith Winston
On Thursday 06 June 2002 01:37, Digger Maus wrote:
2. So far, I've only noticed issued with ftp and Samba. The download from the internet was done using Mozilla 1.0 and Konqueror. Both showed full speed.
Well, you can use Mozilla & konq to do the ftp transfer. just type ftp://(addrss)... in moz or konq addrss bar.
I think, this is a routing problem.
When using HTTP download from a local web server on the same LAN segment, I also get the really slow speed (<10kByte/sec). Doing the same from the Internet (e.g. jakarta.apache.org), I am getting 173kByte/sec.
I am neither a Linux expert (user-level only) nor a network expert. So, I am stuck here, I guess...
-Uli
Mojojojo
2. So far, I've only noticed issued with ftp and Samba. The download from the internet was done using Mozilla 1.0 and Konqueror. Both showed full speed.
Well, you can use Mozilla & konq to do the ftp transfer. just type ftp://(addrss)... in moz or konq addrss bar. -- To unsubscribe send e-mail to suse-linux-e-unsubscribe@suse.com For additional commands send e-mail to suse-linux-e-help@suse.com Also check the archives at http://lists.suse.com --------------------------------- Do You Yahoo!? Sign-up for Video Highlights of 2002 FIFA World Cup
Well, I guess I am one step closer to detect the culprit, but I am still far off a solution.
I ran the "KDE SystemGuard" which lets you monitor several system activites, including "Interface Receivers". When monitoring the "Frame Errors" while ftp'ing a quite large file to the Linux laptop, I noticed a lot of Frame Errors. Tha same happens, when I try to copy something onto a shared folder with Samba. When using ping, I see no Frame Errors as well as when downloading something from the Internet.
Is there someone here knowing some details about networks and how frame errors could be generated?
-Uli
Mojojojo
2. So far, I've only noticed issued with ftp and Samba. The download from the internet was done using Mozilla 1.0 and Konqueror. Both showed full speed.
Well, you can use Mozilla & konq to do the ftp transfer. just type ftp://(addrss)... in moz or konq addrss bar. -- To unsubscribe send e-mail to suse-linux-e-unsubscribe@suse.com For additional commands send e-mail to suse-linux-e-help@suse.com Also check the archives at http://lists.suse.com --------------------------------- Do You Yahoo!? Sign-up for Video Highlights of 2002 FIFA World Cup
Hey, I guess I finally found the culprit of the reported issue. Someone had the same issue with RedHat7.1. http://www.tux.org/hypermail/linux-vortex-bug/2002-Mar/0000.html It is a driver issue. I can't wait to get an updated driver. :)) -Uli --------------------------------- Do You Yahoo!? Sign-up for Video Highlights of 2002 FIFA World Cup
Oh, one thing I forgot to mention:
ping -f between the Linux laptop and any other machine on the LAN shows average rtt of 0.184ms. Quite good.
-Uli
Keith Winston
Hi there, I read your problem, and has no solution (yet). However, I have several thing to say and maybe this could help you. 1. Hub (When you said you only got 10KByte/sec). Are you using Hub? Is the hub a bit "overloaded"? Is there any other computer on the same subnet transfering big file? 2. CPU Utilization. Is there by any change the 1st computer (the one that have 10kbps) CPU util already high when doing the ftp? Is it using ISA NIC? 3. Mobo PCI util? Is there by any change on that computer have several bandwith hog PCI card so that the NIC were not able to use full bandwith? 4. Cable Is there by any change the first (the 10kbps) cable was not good? 5. Routing? Gateway problem? On Thursday 06 June 2002 00:26, Digger Maus wrote:
Hi Everybody,
I am new to this group and don't know who responsive everybody is, but I am desperate enough to give it a try.
Here is my issue:
I am running SuSE 7.3 on a Toshiba Tecra 8000, 300MHz P2, 128MB RAM, 6 GB HD and a 3Com PCMCIA LAN card 10/100MBit (Model 3CXFE575BT).
I am experiencing a very strange phenomena:
When transferring files from another computer (Win2k, Linux, etc.) to my Linux laptop using a ftp client, I get a transfer rate of less than 10kByte/sec. The same happens, when getting a file from my Linux laptop from another ftp-server (Win2k) using the Linux ftp client.
However, when pushing data from the Linux latop to any other computer, I am getting full-speed (>1MByte/sec) on a 10MBit LAN.
To make things even more confusing, how about this: if I download stuff to my laptop from the Internet, I am also getting full throttle (200kB/sec - 800kB/sec, depending on the server). So, it can't be the network card itself.
I also have configured Samba on this laptop and when copying a file to a shared folder, I get an error message after some time. The Samba configuration is identical to another Linux server where it works just perfect.
So, what could be wrong?
Here is another observation: my NIC usually detects LAN speed automatically (10MBit vs. 100MBit), but not in this Linux laptop. I tested it on my home-LAN which is at 100MBit and the router definitely says that the NIC operates at 10MBit.
Could it be, that the driver doesn't really work with this NIC?
Any hint or help would be more than welcome - I am clueless...
-Uli
Mojojojo,
thanks for trying to help me!
Here are my answers to your questions below:
1. The hub is not "overloaded" at all. Also, I get the same issue in two different environment (work and at home)
2. My CPU ustilization is at absolute minimum. I stopped all unessesary processes for a test.
3. It is a laptop, so no othe PCI card present. The only concurrency could be with the sound card and the modem, but both were shut down.
4. Cable is perfect. I tried it with another computer and it works.
5. Don't think so. I had sniffer on and there are no bad frames or addressing errors reported.
More ideas??
Thanks anyways.
-Uli
Mojojojo
Hi Everybody,
I am new to this group and don't know who responsive everybody is, but I am desperate enough to give it a try.
Here is my issue:
I am running SuSE 7.3 on a Toshiba Tecra 8000, 300MHz P2, 128MB RAM, 6 GB HD and a 3Com PCMCIA LAN card 10/100MBit (Model 3CXFE575BT).
I am experiencing a very strange phenomena:
When transferring files from another computer (Win2k, Linux, etc.) to my Linux laptop using a ftp client, I get a transfer rate of less than 10kByte/sec. The same happens, when getting a file from my Linux laptop from another ftp-server (Win2k) using the Linux ftp client.
However, when pushing data from the Linux latop to any other computer, I am getting full-speed (>1MByte/sec) on a 10MBit LAN.
To make things even more confusing, how about this: if I download stuff to my laptop from the Internet, I am also getting full throttle (200kB/sec - 800kB/sec, depending on the server). So, it can't be the network card itself.
I also have configured Samba on this laptop and when copying a file to a shared folder, I get an error message after some time. The Samba configuration is identical to another Linux server where it works just perfect.
So, what could be wrong?
Here is another observation: my NIC usually detects LAN speed automatically (10MBit vs. 100MBit), but not in this Linux laptop. I tested it on my home-LAN which is at 100MBit and the router definitely says that the NIC operates at 10MBit.
Could it be, that the driver doesn't really work with this NIC?
Any hint or help would be more than welcome - I am clueless...
-Uli
-- To unsubscribe send e-mail to suse-linux-e-unsubscribe@suse.com For additional commands send e-mail to suse-linux-e-help@suse.com Also check the archives at http://lists.suse.com --------------------------------- Do You Yahoo!? Sign-up for Video Highlights of 2002 FIFA World Cup
On Thursday 06 June 2002 01:31, Digger Maus wrote:
Mojojojo,
3. It is a laptop, so no othe PCI card present. The only concurrency could be with the sound card and the modem, but both were shut down.
Actually, I was refering to the other machine (not the laptop). And, even though it's a laptop/notebook, it does have PCI. Although not in the white slot you know and you can't take it out and can't change it. The integrated sound / nic / modem in notebook or desktop were PCI. Some notebook use "Mini PCI" interface so you can upgrade. And I reply to this, because a long time ago when I'm about to buy a notebook some notebook seller answer me "there's no chipset in notebook, this is notebook not desktop". (He looked at me as if I'm a morron). Well, I'm just trying to get a decent chipset. At that time I want to avoid some (not all) VIA chipset.
participants (3)
-
Digger Maus -
Keith Winston -
Mojojojo