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Re: MPLS ICMP Extensions

  • From: Duncan Meakins
  • Date: Mon Aug 18 16:21:02 2003

Where can one get a current copy of Nanog-Traceroute...?

>From my googling it appears to have gone out of favour, and I can't seem to
find any current repository of source...
--
Duncan Meakins, Network Engineer
Quadratic Technologies
E-mail: duncanmNOSPAM@dccnet.com
Phone: (604) 741-8551
--
----- Original Message ----- 
From: "Haesu" <haesu@towardex.com>
To: <nanog@merit.edu>
Sent: Monday, August 18, 2003 9:50 AM
Subject: Re: MPLS ICMP Extensions


>
> It would be cool to update the NANOG Traceroute with MPLS
> extensions.
>
> -hc
>
> -- 
> Sincerely,
>   Haesu C.
>   TowardEX Technologies, Inc.
>   WWW: http://www.towardex.com
>   E-mail: haesu@towardex.com
>   Cell: (978) 394-2867
>
> On Mon, Aug 18, 2003 at 12:26:34AM +0200, Jesper Skriver wrote:
> >
> > On Thu, Aug 14, 2003 at 01:40:01PM -0400, Leo Bicknell wrote:
> > >
> > > I wanted to get some other opinions on some new features that have
> > > appeared in recent code from the popular vendors.  It appears there
> > > is a new draft, a copy of which can be found at
> > > http://www.watersprings.org/links/mlr/id/draft-ietf-mpls-icmp-01.txt
that
> > > allows MPLS enabled boxes to return some additonal information in
> > > a traceroute packet.
> > >
> > > That's all well and good, and I can see how that might be amazingly
> > > useful to someone running an MPLS network, however, it seems to
> > > expose data much further than the local network.  Here's a random
> > > example from a traceroute I recently performed (on a Juniper):
> > >
> > > traceroute wcg.net
> > > [snip]
> > > 11  hrndva1wcx3-oc48.wcg.net (64.200.95.117)  91.935 ms  102.652 ms
92.960 ms
> > >      MPLS Label=13198 CoS=0 TTL=1 S=1
> > > 12  hrndva1wcx2-oc48.wcg.net (64.200.95.77)  92.593 ms  92.785 ms
93.119 ms
> > >      MPLS Label=12676 CoS=0 TTL=1 S=1
> > > 13  nycmny2wcx2-oc48.wcg.net (64.200.240.45)  93.273 ms  93.121 ms
93.067 ms
> > >      MPLS Label=12632 CoS=0 TTL=1 S=1
> > > 14  nycmny2wcx3-oc48.wcg.net (64.200.87.78)  104.755 ms  91.949 ms
92.169 ms
> > >      MPLS Label=12672 CoS=0 TTL=1 S=1
> > > 15  chcgil1wcx3-oc48.wcg.net (64.200.240.37)  92.021 ms  91.737 ms
91.684 ms
> > >      MPLS Label=12592 CoS=0 TTL=1 S=1
> > > 16  chcgil1wcx3-pos5-0.wcg.net (64.200.210.114)  175.907 ms  278.144
ms 203.763 ms
> > >      MPLS Label=12695 CoS=0 TTL=1 S=1
> > > 17  chcgil1wcx2-oc48.wcg.net (64.200.103.73)  93.286 ms  93.230 ms
93.593 ms
> > >      MPLS Label=13506 CoS=0 TTL=1 S=1
> > > 18  stlsmo3wcf1-atm.wcg.net (64.200.210.158)  92.780 ms  92.344 ms
92.596 ms
> >
> > If anyone is interested I have a patch for LBL traceroute to display
> > this information too.
> >
> > Download ftp://ftp.ee.lbl.gov/traceroute.tar.gz, patch in
> > http://e.wheel.dk/~jesper/traceroute.diff, and you will have
> >
> > jesper@tam:/home/jesper> traceroute wcg.net
> > traceroute to wcg.net (64.200.241.26), 30 hops max, 40 byte packets
> >  1  217.79.98.25.adsl.griffin.net.uk (217.79.98.25)  0.895 ms  0.836 ms
0.751 ms
> >  2  217.79.96.209 (217.79.96.209)  21.557 ms  18.431 ms  19.075 ms
> >  3  f0-0.core1.tchx.lon.uk.griffin.com (217.79.96.1)  19.768 ms  19.094
ms  19.285 ms
> >  4  lndnuk1icx1.wcg.net (195.66.224.105)  18.824 ms  20.206 ms  19.800
ms
> >  5  nycmny2wcx2-pos15-3.wcg.net (64.200.87.61)  126.360 ms  127.665 ms
127.702 ms
> >      MPLS Label=12632 CoS=0 TTL=1 S=1
> >  6  nycmny2wcx3-oc48.wcg.net (64.200.87.74)  125.205 ms  126.923 ms
125.993 ms
> >      MPLS Label=12672 CoS=0 TTL=1 S=1
> >  7  chcgil1wcx3-oc48.wcg.net (64.200.240.37)  126.425 ms  126.212 ms
126.220 ms
> >      MPLS Label=12592 CoS=0 TTL=1 S=1
> >  8  brvwil1wcxa-pos9-0.wcg.net (64.200.103.193)  126.920 ms  127.660 ms
127.462 ms
> >      MPLS Label=12604 CoS=0 TTL=1 S=1
> >  9  64.200.236.14 (64.200.236.14)  129.886 ms  125.499 ms  126.715 ms
> >      MPLS Label=13506 CoS=0 TTL=1 S=1
> > 10  stlsmo3wcf1-atm.wcg.net (64.200.210.158)  126.080 ms  124.598 ms
125.235 ms
> > 11  stl-clust01.wcg.net (64.200.241.26)  126.723 ms  124.544 ms  124.736
ms
> >
> > /Jesper
> >
> > -- 
> > Jesper Skriver, jesper(at)skriver(dot)dk  -  CCIE #5456
> >
> > One Unix to rule them all, One Resolver to find them,
> > One IP to bring them all and in the zone to bind them.
>





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