[c-nsp] Layer 3 Core

Peter Salanki peter.salanki at bahnhof.net
Thu Apr 5 14:48:18 EDT 2007


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But then you don't have a pure layer3 core anymore :D

5 apr 2007 kl. 19.25 skrev Voll, Scott:

> Why add complexity..... I'd just trunk.
>
> Scott
>
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Stephen  
> Backholm
> Sent: Thursday, April 05, 2007 9:38 AM
> To: cisco-nsp at puck.nether.net
> 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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Sincerely

Peter Salanki
CTO
Bahnhof AB (AS8473)
www.bahnhof.se
Office: +46855577132
Cell: +46709174932


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