[c-nsp] Unified MPLS - Discrete area or separate IGP in Access Layer

Phil Bedard philxor at gmail.com
Thu Feb 6 09:53:06 EST 2014

We are using separate areas, same process, albeit not on Cisco gear but
that's probably how I would do it on Cisco as well.  Generally we put all
the access segments off a single location into a small number of areas and
aggregate/restrict advertisements into area 0.


On 2/6/14, 9:36 AM, "Adam Vitkovsky" <adam.vitkovsky at swan.sk> wrote:

>Hi Folks, 
>This is regarding Unified MPLS for LTE aka Hierarchical MPLS with
>I'd like to know whether there are networks out there running separate IGP
>processes per each access or aggregation network.
>Or whether you are running common IGP and using separate area/level for
>aggregation/access network please?
>I'm interested for any pros/cons either of these solutions have.
>I guess it's no biggie whether there are going to be separate processes in
>access and core not talking to each other or just separate areas.
>Thank you very much.
>cisco-nsp mailing list  cisco-nsp at puck.nether.net
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