ADSL Bandwidth Monitoring

Tek Bahadur Limbu teklimbu at
Sat Sep 8 23:43:26 PDT 2007

Hi Bahman,

Bahman M. wrote:
> Hi all,
> I have an ADSL connection at home.
> When I'm _uploading_ files the whole upload bandwidth is consumed; so 
> far so good.
> But when _downloading_ no more than 30~40% of download bandwidth is 
> consumed.
> The guys in the ISP say they've granted me the requested bandwidth but 
> this is not what I see in action.
> How may I know the real bandwidth limits of my connection?  Any tool or 
> trick?  Or maybe I'm misunderstanding something about ADSL bandwidth?

First of all, I would demand that the ISP where you are acquiring your 
ADSL bandwidth provide you with your bandwidth utilization MRTG or RRD 
graphs. It is the responsibility of every ISP to provide their clients 
the bandwidth usage graphs no matter how big or small they are!

Other than that, make sure that your uplink is not 100% utilized while 
performing download tests. Other factors affecting your downlink could 
be your bandwidth might be shared or burstable and not dedicated.

Have you tried performing downlink tests in the wee hours when there 
could be almost nobody contenting for bandwidth if your bandwidth is 

For basic upload and download tests, you can visit the following URL:

But still, your first priority would be to get the bandwidth utilization 
graphs from your ISP.

Thanking you...

> TIA,
> Bahman
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With best regards and good wishes,

Yours sincerely,

Tek Bahadur Limbu

System Administrator

(TAG/TDG Group)
Jwl Systems Department

Worldlink Communications Pvt. Ltd.

Jawalakhel, Nepal

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