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

From: Sean Crocker (crockers@mail.trinicom.com)
Date: Thu Jun 27 2002 - 15:19:53 EDT


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.
-Should be in 12.2T.

The ingress would also have to be configured to propagate
the IP TTL into 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 msec 84 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) [AS 5511] 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
>
>



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