Diagnose co-location networking problem

[alex at pilosoft.com]

On Tue, 26 Dec 2006, Stephan Wehner wrote:

> Most of the times I find the server responds nicely. But periodically it
> doesn't respond properly when accessing its webpages: Type URL in
> browser, hit return, no page appears. Try again and again and after a
> few times it appears.
DNS.

try tcpdump -n

-alex