Odd behavior from p4-0-0.MAR1.Austin-TX.us.xo.net

Fri Sep 10 19:13:36 UTC 2004

Thanks to all who helped resolve this issue.  Our mail people confirm that
they are able to successfully sync with spamhaus

                            Scott C. McGrath

On Fri, 10 Sep 2004, Justin Ryburn wrote:

>
> This should be corrected now.  I still cannot ping the host in question but
> I am guessing that spamhaus has ICMP filters on their stuff.  It is
> definitely routing to the correct place now.  Our customer service
> department is following up with the customer (spamhaus' provider) to make
> sure they are seeing everything correctly.
>
> Justin Ryburn
> Tier II Router Support
> XO Communications
>
> ----- Original Message -----
> From: "Justin Ryburn" <justin at ryburn.org>
> To: <rwcrowe at comcast.net>; "Scott McGrath" <mcgrath at fas.harvard.edu>;
> <nanog at merit.edu>
> Sent: Friday, September 10, 2004 12:42 PM
> Subject: Re: Odd behavior from p4-0-0.MAR1.Austin-TX.us.xo.net
>
>
> >
> > Looking at this now.
> >
> > Justin Ryburn
> > Tier II Router Support
> > XO Communications
> >
> > ----- Original Message -----
> > From: <rwcrowe at comcast.net>
> > To: "Scott McGrath" <mcgrath at fas.harvard.edu>; <nanog at merit.edu>
> > Sent: Friday, September 10, 2004 12:10 PM
> > Subject: Re: Odd behavior from p4-0-0.MAR1.Austin-TX.us.xo.net
> >
> >
> > > The loop seems to be in AS 2828 (XO Communications) with router at
> > 64.1.2.38.
> > >
> > >
> > > --
> > > Rob Crowe
> > > rwcrowe at comcast.net
> > >
> > >
> > > -------------- Original message --------------
> > >
> > > >
> > > >
> > > > We are originating traffic from AS11 and we are seeing an apparent
> loop
> > > > downstream from the router listed in the header when attempting to
> > connect
> > > > to rsync1.spamhaus.org.
> > > >
> > > > Is this problem unique to us or are others seeing the same behavior.
> > > > Scott C. McGrath
>