[c-nsp] WS-X6724+CFC and ES20 line cards

[Gert Doering]

Hi,

On Thu, Jun 25, 2009 at 07:23:44PM +0400, victor wrote:
> I'd very much like to ask the same question my head-office which  
> distributes this kind of reference material. The only purpose ES20 serve  
> in their design is to establish VPLS connection between two (four in the  
> future) core c7604.

Well, yes.  If you do VPLS, you need the ES20 (or SIP+SPA).

> I think this setup hardly justifies the efforts and money that's been  
> invested into it. Correct me if I'm wrong but for 2 MLS switches sitting  
> in the same rack it is too much of an overhead to configure VPLS. A trunk  
> link would be considerably simpler and more reliable in this case.

If they sit in the very same rack, just bridge the traffic directly, 
and leave MPLS out of the question.  Yes.

(But then you are not fully buzzword compliant... bad for marketing)

gert

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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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