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

From: Hank Nussbacher (hank@att.net.il)
Date: Thu Jun 27 2002 - 19:39:48 EDT


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



This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:48 EDT