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problem with PPPoE ADSL throughput

post #1 of 6
Thread Starter 
Okay so I have been noticing at my fathers house some issues with bandwidth and throughput. Especially with having a router on the setup. It is okay when hardlined from one computer to the adsl modem. When I have a router installed there isn't a good QoS rules setup and when multiple computers are on it just kills the bandwidth and it crashes. It then has to regain a WAN. I monitored the router when it had one of these episodes and it says that it has a WAN and the DHCP server is working okay.

The issues can occur if say my laptop is torrent downloading something, or even direct downloading something and any other computer or device hooked up to the network will not have a connection at all. It will say it does but not bandwidth to do anything. My friends tell me that ADSL is very unstable, because of using phone lines. Is there a program out there or a site I could look at to tell me what the values on my modem's site means?? And tell me if those are okay?

I searched around and asked some people I work with at my IT job. They said it sounds like first, that to stabilize the network make the NIC unbind the tcp/ip and WINS....and then setup QoS rules on the router.

I was wondering anybody else's ideas and helpful thoughts? I have tried to get them off of ADSL and get away from phone lines. Hell dealing with a cable company is better than stupid dsl in the area, until we get fiber (which most likely won't happen for the next 10-20 years!).
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post #2 of 6
Go to the home IP for the router (should be 192.168.0.1 or something like that) and find the menu for WAN status; there should be SNR margin/attenuation and other similar values there.
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post #3 of 6
Thread Starter 
Modem ADSL Connection status:

Line ModeG.dmt
Line StateShowtime/Data
DS Speed1536 kbps
US Speed256 kbps
DS LatencyInterleaved
US LatencyInterleaved
Local Tx Power11.75
Remote Tx Power15.19
Local Line Attenuation56.5
Remote Line Attenuation31.5
Local SNR (dB)13.0
Remote SNR (dB)25.0
Trellis CodingEnabled
Framing StructureFraming-3
Local CRC19323
Remote CRC28
Local LOS0
Remote LOS0
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post #4 of 6
Quote:
Originally Posted by adramalech707 View Post
Local Line Attenuation56.5
Remote Line Attenuation31.5
Local SNR (dB)13.0
Remote SNR (dB)25.0
Local CRC19323
Remote CRC28
Yeah, it's definitely something wrong with the line. Have you tried getting a tech out to look at the outside lines?
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post #5 of 6
It's not gonna make any noticeable difference to be honest. With a 1536Kpbs downstream that will be your real bottleneck.
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post #6 of 6
Thread Starter 
well from what I understand the phone company comes out and looks at our lines and says everything is fine. But I beg to differ. I think they say it is okay so they don't have to fix anything. I really think as long as this damn phone line can maintain dial-up like speeds and be able to have LAN phone working fine then they don't care about the network!

I am going to advise my father to switch to co-axle cable internet until we get fiber.

edit:

That SNR db's tell me that there is something really wrong with the line! But albeit they will say it is okay. I believe there are two lines in the house one to my fathers office where the modem and router is, and the phone line by the kitchen. I believe that the phone line in the office was commented as not being up-to-par because it was put in by an unlicensed person, or that something is wrong with that line, but would cost to much to replace I guess.
Edited by adramalech707 - 1/1/11 at 4:16pm
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