Hi,

On Tue, Sep 21, 2010 at 11:04:38AM -0400, Paul Stewart wrote:
> I'm confident that if the remote IP was blocking us or something of that
> nature that the traceroute would at least transverse our igp properly . 

local null route ("something left in the config that directs this IP
into a black hole")?

> We have a customer who is connected over DSL who is having issues getting to
> a certain remote site more often than not.  Sometime they can reach this
> site, but most of the time they cannot.

... but that wouldn't actually explain that "sometimes it works".

What I'd do:

 - on the first and second hop routers, try grabbing "show ip route",
   and "show ip cef" for that target IP

 - stare at it, and wonder :-)

gert
-- 
USENET is *not* the non-clickable part of WWW!
                                                           //www.muc.de/~gert/
Gert Doering - Munich, Germany                             [email protected]
fax: +49-89-35655025                        [email protected]

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