Bad Internet routing (old bogon list?)

[David Bandel]

On 11/2/05, Vu Pham <vu at sivell.com> wrote:
[snip]
> David,
>
> I had a similar case, but not sure if its like yours.
>
> A customer called and reported that they could access only some web sites
> and really slow. From my office I could ssh to their Linux gateway, and
> could ping it ( and got reply ) but from that server I could not ping back
> to my office. Tcpdump shows my server got their icmp request and did send
> the reply, but that server did not get any reply.
>
> After tryimg many other things, we called the ISP. They fixed it and their
> explanation is as follows ( if I remember correctly ):
> This customer moved to a new office three months  before, and the ISP
> de-activated the T1 line/route to the old office and activate the new one.
> Another customer rents the old office and uses the same ISP so they activate
> that line/route back, but they forgot to adjust something on the line/route
> system.
>

Well, I doubt if it's the same, but I have a PNG of the dump up and a
tcptraceroute to the site (which I could get to from 64.116.183.61 at
the same time he was seeing a problem).

http://www.pananix.com/
check out the 64.255.255 links.

Ciao,

David A. Bandel
--
Focus on the dream, not the competition.
            - Nemesis Air Racing Team motto