Diagnose co-location networking problem

[alex at pilosoft.com]

On Tue, 26 Dec 2006, Stephan Wehner wrote:

> Ok, thanks, I now ran tcpdump with -n.
> 
> Here I am testing with a little script that continuously accesses one of
> the pages. Right at the beginning it doesn't get very far: first
> response after 90 seconds.
> 
> What kind of DNS problem did you have in mind?
Sorry, this doesn't seem to be DNS..

It may be something related to link/autonegotiation, or it could be 
something beyond your control, on the Internet between the two hosts in 
question. Are you able to do a traceroute when your connections fail? 
Where does the trace stop?

-alex