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Old July 30th 12, 12:58 AM posted to microsoft.public.windowsxp.network_web
Char Jackson
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Posts: 10,449
Default Local Area Network Connection Has Constant Activity?

On Sun, 29 Jul 2012 13:51:22 -0700, wrote:

On Sun, 29 Jul 2012 11:43:19 -0500, Char Jackson
wrote:

You don't mention what problem you're having.


The problem is, this constant activity is causing my computer to slow
down and freeze at time - did not happen until a couple of days ago.
No new hardware installed.


I'm extremely skeptical that the network traffic is the reason why
your computer is slowing down and freezing. There simply isn't nearly
enough traffic present to account for that. The traffic could be a
side effect, but not the root cause, so you may or may not be chasing
ghosts.

c)in Task Manager, select the Networking tab and look at the Network
Utilization to see how much traffic is involved.


It appears to be at 1% or less most of the time.


See what I mean? 1% isn't significant.

In Task Manager, keep an eye on CPU utilization to get a feel for
what's normal, and compare that to the utilization when things get
hairy. If the utilization spikes or even max's out as the system
slows, flip over to the Processes tab to see if the offending process
reveals itself. If it's malware, it may not, but it's worth a shot.

d)pull the WAN cable from the router to see if the traffic stops. If
it stops, it was LAN-WAN traffic. If it doesn't stop, it's LAN-LAN
(intraLAN) traffic. Not a definitive test, but helps determine where
the endpoints may be.


Looked at the box, but am not sure what the WAN cable is - have 3
cables in it (not including the power cable), one to the computer, one
to the Internet, and one that I can plug my laptop into.


The one going to the "Internet" is the WAN cable. If your phantom
traffic is host-to-host within your LAN, disconnecting the WAN cable
won't stop that traffic. However, if something on your computer is
talking to an endpoint on the Internet, then pulling the WAN cable
will make it stop. It's a very crude test.

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