[c-nsp] Layer 3 Core

[Liviu Pislaru]

hello,

if you already have all links routed beetwen core routers i think the best
solution for L2 transport beetwen your servers would be EoMPLS (or VPLS). in
my opinion that config represents best practice for an ISP with MPLS core
network.

--
liviu.

----- Original Message ----- 
From: "Stephen Backholm" <Stephen.Backholm at wwu.edu>
To: <cisco-nsp at puck.nether.net>
Sent: Thursday, April 05, 2007 7:38 PM
Subject: [c-nsp] Layer 3 Core


> Currently where I work we run a complete Layer 3 network core. This
> decision was made in order to keep Spanning Tree Protocol, ACls, QoS,
> and Policing out of the core and at the distribution layer. This has
> worked well for us, but we have a need for a few of our server VLANs to
> be in opposite geographic ends of campus for redundancy. These servers
> run as clusters and require Layer 2 connectivity between them, so in
> other words we need Layer 2 connectivity across our Layer 3 core.
>
>
> Here is the question.
>
> Would it be better to solve this problem with MPLS or just trunk the
> handful of server VLANs across our core?
>
>
> Your thoughts and/or suggestions are appreciated.
>
> Regards,
> Stephen Backholm
>
>
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