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North American Network Operators Group

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Re: DSL and/or Routing Problems

  • From: Joe Maimon
  • Date: Tue Mar 30 09:49:58 2004 wrote:

Greetings NANOGers,

Yesterday we starting noticing long delays on an ADSL connection.


Assuming it is not your ISP or that the telco is the ISP.

Dont believe them. Tell them to reset the port. Tell them to change the pairs. Tell them to switch your line to a different port on the dslam. Tell them to put you into a different CO. Tell them to dispatch a technician to test your line "at the nid". Get a FTP server with good connectivity on the internet and upload/download to it, measuring your speed. Show the telco low bandwidth and packet loss. Do some flood pinging (carefully).

Test the line with a cheap linksys or netgear or smc or dlink or similar "broadband" residential router with ADSL modem (or even software [google for raspppoe for windows, linux has pppoe software available as well - if thats what your setup uses]).

Spend a few dollars and get ADSL on another phone line if that all does not work.

For the money they make off a ADSL line, a Telco is unlikely to do more than run the standard automated web testing thingy and say "Everything fine here!" and hope you dont call back and cost them more. That makes sense. The more support time and expertise expended on you, the less profit generated for them by your business.

I cant count the number of "Tests perfectly!" that get resolved mysteriously inside the telco after some more harrasment. Furthermore, our experience on average is that the more the line costs per month, the better service you get on it. Typicaly with any large amount of circuits, you will find the right people in the telco who actually give a damn about you and can "get things done"


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