[c-nsp] filter LDP bindings

Saku Ytti saku+cisco-nsp at ytti.fi
Wed Aug 13 13:23:03 EDT 2008


On (2008-08-13 17:29 +0200), Oliver Boehmer (oboehmer) wrote:
 
> well, an LSR needs to allocate labels also for other nodes' loopbacks,
> so this alone will not be enough ;-)
 
All boxes would advertise everything they get, but only generate loop0.

> However, IOS now has a label allocation filter
> (http://www.cisco.com/en/US/docs/ios/mpls/configuration/guide/mp_ldp_all
> oc_filter.html) having a "allocate global host-routes" shorthand to only
> allocate labels for /32s (or uses a prefix-list for more granular
> control)..

Interface would be nice short-cut, as it's probably most typical situation
that you only want labels for loop0.

-- 
  ++ytti


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