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Windows XP Service Pack 2 Cripples TCP/IP

CubanCorona

CubanCorona

Senior member
I just built this system yesterday. It's an Athlon 64 on an Asus K8N (nForce3 250). I'm using the mobo integrated LAN.

The system was up and running Windows XP perfectly with all the updates up to SP1. The internet was working fine. After installing SP2, some web pages would not load completely. Using telnet to retrieve the web pages revealed that these pages were not loading completely because the entire webpage was not being received.

Now for the interesting part?

The computer is on a NATed LAN serviced by a standard Linksys router connected to a Verizon PPoE DSL connection. Obviously this is a pretty standard setup.

All Network functions limited to the LAN (e.g. Windows networking and loading a webpage from a server on the LAN) work fine. Only operations that require the DSL connection are causing problems, but they work on all other computers on the LAN.

What could be causing this? Ping and nslookup both work fine for all addresses and websites.

Since only the beginning portions of the websites are being retrieved successfully, I think it might have something to do with one of the TCP/IP parameters like MTU.

Anyone got any ideas?


UPDATE
- Changing the MTU to 500 does not seem to fix the problem.
- Uninstalling Service Pack 2 fixes the problem completely!
 
Originally posted by: spidey07
xp firewall? added security features to IE?
Click to expand...

More then likely the XP firewall..

It's on by default, but it should allow most popular ports through, like http/ftp/smtp/pop etc...

Could be wrong though... I'd have to look at a winXp Sp2 box..
 
I've turned off the XP firewall, but the problems persist.

It seems that if the problem were the firewall, the connection would not be allowed to open at all I'm seeing some webpages load partially.
 
Originally posted by: CubanCorona
I've turned off the XP firewall, but the problems persist.

It seems that if the problem were the firewall, the connection would not be allowed to open at all I'm seeing some webpages load partially.
Click to expand...

well there could be some stuff in the page the IE won't let through because of security settings? java, active-x, etc?
 
I just put in an Intel PCI 10/100 Ethernet card, and everything works fine. Must be a driver issue with the nForce3 integrated ethernet and Service Pack 2.
 
I guess it's a General Hardware thread now, but which brand mobo? I'd be interested to see if anyone else has had the same issue crop up.
 
Hey Corona, I have had nearly the same problem when I installed XP SP2 as well!! Thing is I am using an Asus A8N SLI. I think that Nvidia ethernets don't like SP2 and there is some sort of weird driver conflict. I am going to play with it more and tell you what happens.
 
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