North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical 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: [email protected] 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 > > [email protected]:/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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