[j-nsp] logging cspf/bandwidth reservation failures

[Mohan Nanduri]

There was an ER opened a while back to identify the node/interface from
where the requetsed BW is unavailable message is being generated from at the
head-end to aid better troubleshooting, not sure if it was ever implemented.



On Thu, Sep 16, 2010 at 4:36 AM, Danny Vernals <danny.vernals at gmail.com>wrote:

> On Wed, Sep 15, 2010 at 8:50 PM, Richard A Steenbergen <ras at e-gerbil.net>
> wrote:
> > Is there a way to syslog a cspf or rsvp bandwidth reservation failure?
> > Maybe I'm just being really blind here, but I can't find a way to do it.
> > You can see these events in the cspf logs if you look at individual LSPs
> > with "show mplslsp NAME detail":
> >
> >   1119 Sep 15 19:32:11.635 CSPF failed: no route toward x.x.x.x[87 times]
> >   1118 Sep 15 18:50:14.902 Clear Call: CSPF computation failed
> >   1117 Sep 15 18:50:14.895 Deselected as active
> >   1116 Sep 15 18:50:14.895 x.x.x.x: Requested bandwidth unavailable
> >
> > But this seems like it should be syslog worthy, especially considering
> > it's already sysloging worthless stuff like bandwidth changes by default
> > too. Am I missing a sensible way to do this, or is this just in need of
> > a feature request? Cisco definitely does it:
> >
> > Sep 15 19:40:36.458 UTC: %MPLS_TE-5-LSP: LSP x.x.x.x 20554_1024: Path
> > Error from x.x.x.x: Admission control Failure (code 1, value 2, flag
> >
>
> Not exactly what you're after but you can achieve this kind of
> verbosity with traceoptions.  We have the below on all the time:
>
> dannyv at xxx.xxx> show configuration protocols mpls traceoptions
> file mpls-log size 1m files 10 world-readable;
> flag state;
> flag error;
> flag connection;
>
> dannyv at xxx.xxx> show mpls lsp extensive | grep unavaila
>   8181 Sep 16 07:33:40.487 x.x.x.x Requested bandwidth unavailable:
> re-optimized path
>   8179 Sep 16 07:33:40.487 x.x.x.x: Requested bandwidth unavailable
>
>
> dannyv at xxx.xxx> show log mpls-log | grep unavaila
> Sep 16 07:33:40.487521 mpls lsp LSP-NAME primary x.x.x.x: Requested
> bandwidth unavailable
> Sep 16 07:33:40.487586 mpls lsp LSP-NAME primary x.x.x.x Requested
> bandwidth unavailable: re-optimized path
>
>
> > --
>  > Richard A Steenbergen <ras at e-gerbil.net>
> http://www.e-gerbil.net/ras
> > GPG Key ID: 0xF8B12CBC (7535 7F59 8204 ED1F CC1C 53AF 4C41 5ECA F8B1
> 2CBC)
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> >
>
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