[j-nsp] logging cspf/bandwidth reservation failures

[Danny Vernals]

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
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