[c-nsp] switching off MPLS penultimate pop hopping

[Oliver Boehmer (oboehmer)]

Volodymyr Yakovenko <> wrote on Thursday, April 21, 2005 7:37 PM:

> Hello!
> 
>  Is there any possibility to force particular Cisco PE router to
>  perform the FIB lookup in addition to LFIB lookup during during
>  packet forwarding from MPLS interface to CE?
> 
>  As far I understand it means to disable 'MPLS penultimate pop
> hopping'. 

enable "mpls ldp explicit-null" on the edge-LSR to advertise an
explicit-null instead of the implicit-null/pop.

Why do you want/need this? Usually folks only use it to provide QoS
transparency/DS tunneling through an MPLS core..

	oli