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Extremely slow connection, but ONLY to outside servers

O

onedatewonder

Junior Member
hello,

i've noticed a strange problem with my internet connection...i am connected to a college LAN and noticed that connecting to sites within the school's domain is instantaneous, but connecting to any site outside of the school's domain (such as www.espn.com) is extremely (<0.5kb/s) slow. this problem arose spontaneously and not as a result of hardware or software i recently installed. i've reinstalled windows several times. i've ruled out spyware and viruses by cleaning up the system with norton AV, spysweeper, and hijackthis, and by manually looking for unusual processes in the registry. i've worked with our IT person and tried flushing the dns cache and connecting via a static IP address, but that didn't help.

a different computer connected to my port doesn't have the problem. my computer connected to a different port still has the problem. so, i think the problem is localized to my computer.

the problem exists with any protocol that i use (TCP, FTP, IMAP, etc)-- ANY site within the school domain is quite fast but ALL other sites are quite slow.

computer specs:
Pentium 3 2.8Ghz
Windows 2000 Pro SP4 all critical updates installed.
mobo: SY-P4I865PE Plus DRAGON 2
network card: onboard Davicom DM9102 10/100 Ethernet adaptor, though i have switched network cards and that didn't help either.

any suggestions? thanks
ron
 
oops, I missed that part. When you mean you try to connect using a static IP address, you are typing an address directly into the browser address window, or are you putting your computer on a static IP in the LAN?
 
no, i made the change to a static ip address through tcp/ip properties under local network properties. the school server is DHCP enabled so i am able to connect whether the IP address is obtained automatically or if i specify a static one. the connection is just slow.
thanks!
ron
 
Ok, try connecting to an external site by that site's IP address, not the domain name.
216.239.37.39 <google>
216.239.57.99 <google again>
199.181.132.250 <espn.com>
195.20.116.10/pub/ssh/ <ftp.ssh.com> Try downloading SSHSecureshellClient-3.2.9.exe

If these initial connections go fast, but any other subsequent clicking goes bad, then it is definitely a DNS problem.
When you set the school's static IP, you used their nameservers? Try finding out the nameservers for the ISP your school is connected to, and put those in manually.
 
i've tried entering the IP addresses into the browser and didn't notice a difference. i pinged the domain name as well as the numerical IP address and didn't notice a difference either (both were fast, 10ms). i've manually entered the addresses for the school's nameservers and that didn't help either. i doubt that it is a DNS problem because 1) i think my computer is able to look up domain names, and 2) other people would also report problems if there is something with the DNS server.
thanks
ron
 
hi skyking,
i solved the problem...i've tried entering the IP address assigned to me by the DHCP server statically, and that didn't work, but when i entered a DIFFERENT IP address statically (i changed the address by one digit), everything ran fast again! basically, the particular IP address i used was broken.

in any case, thanks for all your help!
ron
 
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