Mailing List Archive: mpls ted database problem

Hi, All

I've met problem that mpls lsp can't get up. From show lsp, I found one hop
IP address along the path is missing. And then turning on the monitor mpls
trace, I found some error message like " Reverse Link for
10.0.2.29->10.0.2.30 not found" "link is one-way" (pls check the show log).

Anybody give me an idea what's that problem like?

Thks!

David

root@POP1-M20# run show mpls lsp name To_POP2-AR1 detail
Ingress LSP: 4 sessions

10.0.0.23
From: 10.0.0.14, State: Dn, ActiveRoute: 0, LSPname: To_POP2-AR1
Description: MPLS TE Tunnel To POP2-AR1
ActivePath: (none)
FastReroute desired
LoadBalance: Random
Encoding type: Packet, Switching type: Packet, GPID: IPv4
Primary primary-path State: Dn
Will be enqueued for recomputation in 1 second(s).
36 Feb 13 20:51:57 CSPF failed: no route toward 10.0.2.30[443 times]

Feb 13 20:46:05 CSPF starting from POP1-M20.00 (10.0.0.14) to 10.0.2.30,
hoplimit 1
Node POP1-M20.00 (10.0.0.14) metric 0, hops 0, avail 32000 32000 32000
32000
Link 10.0.2.29->10.0.2.30(POP1-BBR2.00/10.0.0.12) metric 100 color
0x00000000 bw 100Mbps
Reverse Link for 10.0.2.29->10.0.2.30 not found
link is one-way
Link 10.0.2.25->10.0.2.26(POP1-BBR1.00/10.0.0.11) metric 100 color
0x00000000 bw 100Mbps
Reverse Link for 10.0.2.25->10.0.2.26 not found
link is one-way

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On Fri, Feb 14, 2003 at 04:54:21AM +0000, David Liang wrote:
> Hi, All
>
> I've met problem that mpls lsp can't get up. From show lsp, I found one hop
> IP address along the path is missing. And then turning on the monitor mpls
> trace, I found some error message like " Reverse Link for
> 10.0.2.29->10.0.2.30 not found" "link is one-way" (pls check the show log).
>
> Anybody give me an idea what's that problem like?
>
> Thks!
>
> David
>
> root@POP1-M20# run show mpls lsp name To_POP2-AR1 detail
> Ingress LSP: 4 sessions
>
> 10.0.0.23
> From: 10.0.0.14, State: Dn, ActiveRoute: 0, LSPname: To_POP2-AR1
> Description: MPLS TE Tunnel To POP2-AR1
> ActivePath: (none)
> FastReroute desired
> LoadBalance: Random
> Encoding type: Packet, Switching type: Packet, GPID: IPv4
> Primary primary-path State: Dn
> Will be enqueued for recomputation in 1 second(s).
> 36 Feb 13 20:51:57 CSPF failed: no route toward 10.0.2.30[443 times]
>
>
> Feb 13 20:46:05 CSPF starting from POP1-M20.00 (10.0.0.14) to 10.0.2.30,
> hoplimit 1
> Node POP1-M20.00 (10.0.0.14) metric 0, hops 0, avail 32000 32000 32000
> 32000
> Link 10.0.2.29->10.0.2.30(POP1-BBR2.00/10.0.0.12) metric 100 color
> 0x00000000 bw 100Mbps
> Reverse Link for 10.0.2.29->10.0.2.30 not found
> link is one-way
> Link 10.0.2.25->10.0.2.26(POP1-BBR1.00/10.0.0.11) metric 100 color
> 0x00000000 bw 100Mbps
> Reverse Link for 10.0.2.25->10.0.2.26 not found
> link is one-way

Please check if you have RSVP/MPLS enabled on all(or respective)
interfaces on POP1-BBR1 and POP1-BBR2.

Please send "show ted database exten" from this router and
MPLS/RSVP configuration. Do you have any restrictions/contraints
on this LSP? What image you are using?

nisar

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