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. -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- Particle Physics (Theory & Experimental) Groups Dr Paul Millar Department of Physics and Astronomy [EMAIL PROTECTED] University of Glasgow [EMAIL PROTECTED] Glasgow, G12 8QQ, Scotland http://www.astro.gla.ac.uk/users/paulm +44 (0)141 330 4717 A54C A9FC 6A77 1664 2E4E 90E3 FFD2 704B BF0F 03E9 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- _______________________________________________ Scottish mailing list [EMAIL PROTECTED] http://mailman.lug.org.uk/mailman/listinfo/scottish
