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<div class="moz-cite-prefix">This is a classic example of QoS usage.
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<br>
The VPN connection doesn't experience the problem because the QoS
settings for VPN would have a no throttling policy attached. SSH
would typically be non-throttled as well. <br>
<br>
<br>
<br>
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On 02/17/2013 08:02 PM, Derek Trotter wrote:<br>
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<blockquote cite="mid:512199DD.5020806@gmail.com" type="cite">
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<font face="Comic Sans MS">For several weeks I've had a problem
with my earthlink dsl service. Anytime I'm doing something that
uses all or most of my downstream bandwidth, all data coming
into or going out of my apartment stops. At the same time I'm
downloading something a series of updates for kubuntu and
listening to streaming audio, both stop. If I'm using my
windows box to download something else, that too stops. After a
pause lasting anywhere from a second or two to 15 or 20 seconds,
the downloads resume. A few seconds later, there's another
pause. This cycle repeats itself until the download is complete
or I give up.<br>
<br>
Each computer has two nics. The problem persists no matter
which one either machine is using for it's internet connection.
If I remove the router, connect the dsl modem directly to either
computer, the problem persists. I even went to the closet and
got the modem when I had dsl from AT&T. I set it to work
with the earthlink service and the problem persists.<br>
<br>
Saturday an AT&T technician was here, checked the line from
the cord that plugs into the dsl modem and says the line is in
excellent shape and noise levels are very low. This is not
surprising since I live less than 1/4 mile from AT&T's local
office where all their equipment is.<br>
<br>
Since I've tried two computers, 4 nics, two dsl modems and
removed the router, and the problem still persists, I'm guessing
the problem is somewhere at earthlink's end.<br>
</font><br>
<font face="Comic Sans MS">Tonight at 21:30 EST, an earthlink tech
support person from somewhere in India called to tell me they
had fixed the problem. While he was on the phone I tried
downloading something else and guess what. The problem was not
fixed. As near as I can tell, the dsl connection does not go
down. The earthlink people say it stays up. The lights on the
modem that are on when the connection is up never go off or
blink.</font><br>
<br>
The man asks me what dns settings I use. I tell him 8.8.8.8 and
8.8.4.4. He says I should try earthlink's dns servers. To humor
him I changed the settings on the windows box and guess what. The
problem did not go away.<br>
<br>
Maybe I'm missing something, but it's my understanding that once
the download has begun, that dns has already done it's job and has
no further role to play. One more thing. If I use a VPN
connection, I have no problem with it.<br>
<br>
Any idea what's going on? If you were to venture a guess, would
you say the problem is at my place, with AT&T or with
Earthlink?<br>
<br>
Thanks<br>
<br>
Derek<br>
<pre class="moz-signature" cols="72">--
"I get my copy of the daily paper, look at the obituaries page, and if I’m not there, I carry on as usual."
Patrick Moore</pre>
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