[33732] in North American Network Operators' Group
Re: Wierd Route
daemon@ATHENA.MIT.EDU (Richard Irving)
Mon Jan 22 05:13:37 2001
Message-ID: <3A6C07D5.FA245D1D@onecall.net>
Date: Mon, 22 Jan 2001 05:13:41 -0500
From: Richard Irving <rirving@onecall.net>
MIME-Version: 1.0
To: Jon Stanley <nanog@rmrf.net>
Cc: "Richard A. Steenbergen" <ras@e-gerbil.net>,
Joe Budion <jjbiv@buckeye-express.com>, nanog@merit.edu
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Errors-To: owner-nanog-outgoing@merit.edu
Each hop in a traceroute represents a -new- packet (actually 3) being
sent out.
Hence "Hopping back upstream" during BGP flap state.
Remember "The Matrix" ?
There is no spoon.
;)
Jon Stanley wrote:
>
> The part that I was particularly concerned about was where it left qwest
> for BBNPlanet and got right back on Qwest. I went ahead and gave them a
> call (at the number listed on Jared's page), and they asked for a
> traceroute, etc. I gave them all the research that I had done and they
> just kinda fell silent when they saw my email to them. Then they said
> "We'll have our NOC group take a look at this.". I thought that I had
> called the NOC!!!! Yet more examples of clueless morons manning the
> phones. (Not saying that my employer is not guilty of the same :-( ),
>
> On Mon, 22 Jan 2001, Richard A. Steenbergen wrote:
>
> >
> > On Mon, Jan 22, 2001 at 03:05:20AM -0500, Joe Budion wrote:
> > >
> > > This one takes the cake for weirdest route I've ever seen:
> >
> > 10 p9-0.crtntx1-br1.bbnplanet.net (4.24.10.213) 48 msec 48 msec 44 msec
> > 11 p15-0.crtntx1-br2.bbnplanet.net (4.24.10.114) 48 msec 48 msec 48 msec
> > 12 p2-0.crtntx1-cr8.bbnplanet.net (4.24.8.198) 48 msec 48 msec 48 msec
> > 13 p5-0.toucham.bbnplanet.net (4.24.117.66) 68 msec 68 msec 68 msec
> > 14 den-edge-18.inet.qwest.net (205.171.16.34) 68 msec 68 msec 68 msec
> > 15 208.46.255.14 120 msec 120 msec 120 msec
> > 16 63.237.115.200 120 msec 120 msec 120 msec
> >
> > ner-routes>sh ip bgp 205.171.16.34
> > BGP routing table entry for 205.171.16.32/30, version 0
> > Paths: (1 available, no best path)
> > 3908
> > 4.24.117.66 (inaccessible) from 4.0.4.20 (4.24.0.207)
> > Origin IGP, metric 0, localpref 100, valid, internal
> > Community: 1:1001 209:209 209:30357 3908:900
> > Originator : 4.24.0.207, Cluster list: 4.0.4.20, 4.24.0.58
> > ner-routes>sh ip bgp 63.237.115.20
> > BGP routing table entry for 63.237.115.0/27, version 0
> > Paths: (1 available, no best path)
> > 3908
> > 4.24.117.66 (inaccessible) from 4.0.4.20 (4.24.0.207)
> > Origin IGP, metric 5, localpref 100, valid, internal
> > Community: 1:1001 209:209 209:30357 3908:900
> > Originator : 4.24.0.207, Cluster list: 4.0.4.20, 4.24.0.58
> >
> > Gotte filters?
> >
> >