Re: [nsp] Which IOS supports MPLS labels in traceroute?

From: Harold Ritter (hritter@cisco.com)
Date: Fri Jun 28 2002 - 14:47:39 EDT


Hank,

I tested it with both 12.2(10) and 12.2(10a) and it worked fine for me. You
should me get TAC to look at it.

Cheers,

At 02:39 AM 6/28/2002 +0300, Hank Nussbacher wrote:
>On Thu, 27 Jun 2002, Sean Crocker wrote:
>
> > Hank,
> >
> > -I know it's in 12.0(9)ST and later.
> > -I don't think it'll be in 12.0S until the merge.
> > -I *believe* it's in 12.1T and all of 12.2, but not positive.
>
>- works in 12.2(6)
>- doesn't work in 12.2(10a) or 12.2(10)
>
>Hmmmm. Anyone from Cisco to shed some light?
>
>-Hank
>
> > -Should be in 12.2T.
> >
> > The ingress would also have to be configured to propagate
> > the IP TTLinto the shim.
> >
> > Sean
> >
> > >>From a 12.0(21)ST2 route-server:
> > >route-server>trace 194.133.138.65
> > >
> > >Type escape sequence to abort.
> > >Tracing the route to 194.133.138.65
> > >
> > >1 white_dwarf.cbbtier3.att.net (12.0.1.1) [AS 7018] 0 msec 0 msec 0 msec
> > >2 ar3.n54ny.ip.att.net (12.126.0.30) [AS 7018] 4 msec 4 msec 4 msec
> > >3 gbr2-a31s11.n54ny.ip.att.net (12.127.5.158) [AS 7018] 0 msec 0 msec 4
> > >msec
> > >4 gar1-p370.n54ny.ip.att.net (12.123.1.133) [AS 7018] 4 msec 4 msec 4
> > >msec
> > >5 P4-1.NYKBB1.New-york.opentransit.net (193.251.242.153) [AS 5511] 0
> > >msec 0 msec 4 msec
> > >6 P10-0.NYKCR1.New-york.opentransit.net (193.251.241.22) [AS 5511] 4
> > >msec 4 msec 4 msec
> > >7 P10-0.BAGCR1.Bagnolet.opentransit.net (193.251.241.153) [AS 5511] 84
> > >msec 76 msec84 msec
> > >8 P5-0.FFTBB2.Frankfurt.opentransit.net (193.251.154.210) [AS 5511] 92
> > >msec 88 msec 92 msec
> > >9 EquantGermany.GW.opentransit.net (193.251.150.194) [AS 5511] 88 msec
> > >88 msec 88 msec
> > > 10 204.59.106.21 [AS 10282] 88 msec 92 msec 88 msec
> > > 11 204.59.106.29 [AS 10282] [MPLS: Label 396 Exp 0] 128 msec 124 msec 100
> > >msec <---- Note the MPLS label support
> > > 12 204.59.107.82 [AS 5511] 116 msec *92 msec
> > >
> > >>From 12.0(21)S.0213 route-server:
> > >route-views.oregon-ix.net>trace 194.133.138.65
> > >
> > >Type escape sequence to abort.
> > >Tracing the route to 194.133.138.65
> > >
> > >1 nero-gw.oregon-ix.net (198.32.162.2) 0 msec 0 msec 0 msec
> > >2 eugn-core1-gw.nero.net (207.98.64.162) [AS 3701] 4 msec 0 msec 0 msec
> > >3 aar1-serial4-0-0-0.SantaClara.cw.net (208.172.151.1) [AS 3561] 84 msec
> > >200 msec 200 msec
> > >4 bpr1-loopback.PaloAltoPaix.cw.net (208.172.146.18) [AS 3561] 12 msec
> > >16 msec 16 msec
> > >5 206.24.241.142 [AS 3561] 12 msec 12 msec 12 msec
> > >6 P10-0.SJOCR1.San-jose.opentransit.net (193.251.242.93) [AS 5511] 16
> > >msec 12 msec 12 msec
> > >7 P3-0.NYKCR2.New-york.opentransit.net (193.251.241.209) [AS 5511] 88
> > >msec 88 msec 88 msec
> > >8 P9-0.NYKCR1.New-york.opentransit.net (193.251.241.213) [AS 5511] 92
> > >msec 88 msec 88 msec
> > >9 P10-0.BAGCR1.Bagnolet.opentransit.net (193.251.241.153) [AS 5511] 160
> > >msec 164 msec 160 msec
> > > 10 P5-0.FFTBB2.Frankfurt.opentransit.net (193.251.154.210) [AS 5511] 172
> > >msec 172 msec 172 msec
> > > 11 EquantGermany.GW.opentransit.net (193.251.150.194) [AS5511] 172 msec
> > >172 msec 172 msec
> > > 12 204.59.106.21 [AS 10282] 168 msec 172 msec 172 msec
> > > 13 204.59.106.29 [AS 10282] 180 msec 192 msec 176 msec<--- No MPLS
> > >label listed
> > > 14 204.59.107.82 [AS 5511] 176 msec *172 msec
> > >
> > >What version/feature is needed to be able to see MPLS labels in
> > >standard traceroute?
> > >
> > >Thanks,
> > >Hank
> > >
> > >
> >
>
>Hank Nussbacher

Harold Ritter, CCIE 4168
Advanced Network Services - ISP East
Cisco Systems
300 Apollo Drive
Chelmsford, MA 01824 USA
Phone: 978 497 3129
Fax: 978 497 3129
Cisco Systems- "Empowering the Internet Generation."



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