[Scottish] Network testing tools?

[Paul Millar]

On Thu, 4 Dec 2003, Mark Robinson wrote:
> I'm having trouble proving to Demon that there are problems with an
> ADSL connection. It's _really_ slow at times, comes to a halt, then
> everything seems to load.  We've had pings with 19% packet loss to one
> of Demon's own name servers!

Sounds like a dodgy ADSL link: 19% packet loss is enough to seriously 
upset TCP.


> Does anyone have any recommendations for network testing tools to try
> and pin down the problem?  I tried doing a traceroute and then running
> pings to all hops along the route, but there's nothing consistent.

Try MTR
  http://www.bitwizard.nl/mtr/

Really, its nothing more that an automated traceroute + ping, but its
still useful.

HTH

Paul.

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Particle Physics (Theory & Experimental) Groups                Dr Paul Millar 
Department of Physics and Astronomy                     paulm at astro.gla.ac.uk
University of Glasgow                                 paulm at physics.gla.ac.uk
Glasgow, G12 8QQ, Scotland             http://www.astro.gla.ac.uk/users/paulm 
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