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Extremely slow performance from Apache webserver, wireless Router, or both? Please help!

Posted on 2004-08-23
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Last Modified: 2013-11-30
Hello:
Running Mandrake 10.0 with webserver apache2, have a winxp box on LAN connected through new dlink DI-624 router (wireless w/ ethernet, not using wireless yet, everything wired).
The problem is that uploads from my website are suddenly EXTREMELY SLOW, like 21kbps, then like 7, then like 1kps until it just stops sending, which basically means that the VNC server is unreachable because this requires too much bandwidth. This problem is both LOCAL (192.168.1.101 going to 192.168.1.102 for example) and also the same speed problem with uploading to outside internet addresses (tried it from school too). Im on Earthlink dsl.
I have hard-reset the router, to no avail, have also replaced network cables, changed the router base ip to the 192.168.0.1, 192.168.1.1, 192.168.10.1 (of course I change the computer's configs too, and always with the same problem: things connect but very slowly. When I download from the internet its lightning fast. At first I though I was being limited by the ISP, but even the LOCAL traffic is slow. Both computers have 10/100 NICs. How can I find out WHERE the problem is coming from, Im I losing packets to some kind of interference, or is the server not serving for some reason? (this is a BRAND NEW Mandrake install, replacing an older SUSE install which was having the same problem...thought I'd fix it by starting fresh.)
Incidentally, I have the same problem when I use my older linksys dsl router (not wireless). Im at a total loss here, and I need to get this site up for my students!
Thanks!
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Question by:haldrik
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marcin79 earned 250 total points
ID: 11884911
So as I understand You have configuration as follows (please correct me if i'm wrong):

Internet ----- DSL Router ----- Server (192.168.x.x)
                          |
                           ------------- LAN (192.168.x.x/24)

And You replaced Server operating system, and Router - nothing changes. I don't understand where the vnc is from but I hope it's not important at the moment.
Whot could You test:
1. ping server from a lan - let it go for example for 5 mins
   start->run->ping -t internal_server_ip
2. ping server from outside - let it go for example for 5 mins
   start->run->ping -t external_server_ip
3. tracert server from outside few times (or if you have access to *outside* linux box with mtr installed run mtr for few minuts)
   windows:
       start->run->tracert -d external_server_ip
   linux
       mtr -n external_server_ip

Analysing what You wrote for me it is either broken device driver, or damaged network card. I would rather thing that network card is damaged.
Solution: try to change network card in server

It woud be vere usefull if You post results of tests mentioned above.

Hope this helps
Regards
Marcin
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Expert Comment

by:cyberscan
ID: 11917090
When I use SuSE I had same problem.  I resolved the problem by specifying the Nameserver addressess in /etc/resolv.conf .
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Author Comment

by:haldrik
ID: 11917397
It seems that it was indeed a faulty NIC card and the driver was also messed up as well, but after recompiling the driver the NIC was still broke. As soon as I replace the card, the problem simply disappeared....
Thanks for the help!

(Incidentally, I had already tried specifying the nameserver specifically in resolv.con and it didn't improve the situation to any noticeable degree.)
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