RE: download hangs with no error on DSL under Windows 2000 pro

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance

From: -DC- (DC_at_discussions.microsoft.com)
Date: 01/30/05 

Date: Sun, 30 Jan 2005 10:25:02 -0800

What app were you using to download via HTTP?

Often times servers stop responding during large downloads for whatever
reason. I've had that happen a lot in the past. Is it hanging at the same
spot every time?

If you haven't already, try downloading another browser to verify that's not
the problem. Firefox is a good choice.

"feeclochette188@hotmail.com" wrote:

> Hi,
> my config is the following:
> one DSL line to external world
> a Belkin DSL modem and wifi router
> a laptop with Windows XP home. It connects to DSL via wifi G
> a desktop with W2K pro service pack 2. It connects to DSL with cable thru
> a Realtek 10/100 8139 Ethernet card
>
> Description of problem is:
> downloading files bigger than 500KB via HTTP works fine on laptop using
> the wifi AND via the onboard ethernet chip using the cable of the desktop.
> on the desktop the donwload hangs with no error, just stops responding
>
> Test and analysis performed:
> anti-virus and firewall disabled on desktop (not on the belkin router)
> many realtek drivers intalled for that particular ethernet card
> flow-control and tx-rx buffer modified with many different values (except
> 2KB that is not available from the driver paramaters setup. However the doc
> of this card explicitely mentions that this is the size of its buffer.
> Question is to know id the buffer value set in the param of the card meant to
> match that buffer size or a local buffer on windows?)
> use of CAPSA network analyser shows that file is transferred by segment
> of 1476 bytes from the web site, then the desktop answers with a packet of 54
> bytes (I guess it is an acknowledgement. The CAPSA demo does not decode the
> packet sent from the desktop). And so on until the web sends two times 1476
> bytes each time that the desktop replies with its 54 bytes. I guess here that
> there is an overflow but where ? within the windows code, in the erhernet
> card, not on the router because it works with the laptop.
> a test to transfer enormous files between the laptop and the desktop thru
> the router (on the LAN) works fine and is very very wuick !
>
> My conclusions:
> I doubt it is the network card or cable because everything is fine in LAN
> mode.
> I doubt it is the driver of the card because the effects are the same
> with all of them
> I have look in the knowledge base of MS but found nothing to convince me
> yet to install a new service pack on windows 2000.
>
> Any ideas or facts to convince me or to explain what I could have forgot to
> test?
> Thanks in advance, kind regards
> Vincent

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