MPLS ICMP Extensions
Duncan Meakins
duncanm at dccnet.com
Mon Aug 18 21:17:15 UTC 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 at dccnet.com
Phone: (604) 741-8551
--
----- Original Message -----
From: "Haesu" <haesu at towardex.com>
To: <nanog at 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 at 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 at 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.
>
More information about the NANOG
mailing list