> -----Original Message-----
> From: [email protected] [mailto:juniper-nsp-
> [email protected]] On Behalf Of Christian
> Sent: Wednesday, April 20, 2011 7:33 AM
> To: [email protected]
> Subject: Re: [j-nsp] SUSPECT : Re: RSVP LSP metric
> 
> I may be wrong, but for me CSPF will use the te-metric configured on
> the
> igp to calculate the best path an lsp will take through the network.
> The
> metric configure directly under the lsp will be used to determine which
> lsp will be active in the routing table.

The above is true, assuming the te-metric has been configured.  However, if
no te-metric has been configured, the LSP tracks the IGP metric toward the
destination.

A few things to keep in mind - When the IGP metric is being tracked, and the
underlying OSPF network changes and LSAs are flooded w/ new metrics, the LSP
will adjust accordingly.  However, if the LSP simply reroutes (through
reoptimization or other similar mechansisms), then the LSP metric will not
be changed.

HTHs.

Stefan Fouant, CISSP, JNCIEx2
www.shortestpathfirst.net
GPG Key ID: 0xB4C956EC


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