[c-nsp] ASR9K P router

[Brian Christopher Raaen]

>From my experience with an ASR9000, I'd agree with Roland.  The
ASR9000 has many more features and abilities that make it more
attractive on the edge rather than in the core.  Depending on how your
MPLS core design is all you need to do is route between the PE's and
not carry all the different routes meaning your core doesn't need as
powerful a router as all you need to do is carry your internal igp
protocol routes and push raw ip traffic.  Another factor is how many
routers are involved in your design, how many routes you are carrying,
and what services you are offering or plan to offer to your customers.

---
Brian Raaen
Network Architect
Zcorum

On Wed, Feb 8, 2012 at 8:26 AM, Dobbins, Roland <rdobbins at arbor.net> wrote:
> On Feb 8, 2012, at 7:51 PM, Ghassan Khalil wrote:
>
>> - The ASR9K P routers will be directly connected to 7606 Internet Gateway Routers (IGR) for internet connectivity.
>
> The concern with 7600s is their NetFlow, uRPF, and ACL caveats - nothing to do with MPLS per se, but these are major concerns when attempting to use them as peering-/transit-edge routers.  I would recommend changing out the 7600s at the edge for ASR9Ks or some other platform which supports good NetFlow, ACLs, and uRPF at the edges.
>
> -----------------------------------------------------------------------
> Roland Dobbins <rdobbins at arbor.net> // <http://www.arbornetworks.com>
>
>          Luck is the residue of opportunity and design.
>
>                       -- John Milton
>
>
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