The MPLS-OPS Archive

[Robert Raszuk <raszuk@cisco.com>]

Martin,

No in IOS there is no admin distance like prioritization for RSVP-TE or
LDP. If there is LDP-LSP that is used over IGP, and if there is RSVP-TE
LSP (with autoroute or FA's on) that one superceeds LDP-LSP.

> How can you influence this selection on a per-FEC basis?

If you need this per FEC bases for RSVP-TE just disable autoroute/FAs
and simply map FECs statically to the RSVP-TE LSPs. 

If you need this per FEC bases for LDP-LSPs filter the LDP
advertisements.

The definition of admin distance is not per FEC is per protocol so I
don't know - even if that would be supported - how would you use it to
select the outgoing path per FEC basis.

Rgs,
R.

> "Martin, Christian" wrote:
> 
> Quick question for those who do this often.
> 
> If you have three metric-invariant next-hops for a route - one IGP, one LDP,
> one RSVP-TE, which one do you choose?  Is there an admin-distance for RSVP
> and LDP?  How can you influence this selection on a per-FEC basis?
> 
> Thanks
> chris
> 
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