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It works.

But keep in mind that the EAPS "flush FDB" message sent by the Master node to the transit nodes will *not* be propagated into STP (AFIK). This may create situations where you cannot achieve the same convergence time that with an EAPS-only based solution.

So, it depends on your requirements...

Cheers,
Julien.


-----Message d'origine-----
De : extreme-nsp-bounces@puck.nether.net [mailto:extreme-nsp-bounces@puck.nether.net] De la part de Samit
Envoyé : mercredi 23 avril 2008 20:22
À : extreme-nsp@puck.nether.net
Objet : [e-nsp] Running EAPS and RSTP simultaneously

Hi,

Is it possible to run EAPS and RSTP simultaneously with Cisco switch
that can work in topology like this?


|---------Cisco--------|
| |
| Rstp |
extrem----------------extrem
| Eaps |
|___extrem______|
| |
______| |________
| |
| Rstp |
cisco--------------cisco

Regards,
Samit


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Hi

I know it is difficult to predict it may or might not work until someone
is already doing it or I myself conduct lab simulation. But need
positive response to before buying expensive test extreme switches.

Basically I am trying to segment my big L2 network without using MPLS
routers in core.I am trying to make smaller isolated rings running Rstp
at the edge and EAPS ring in the Core, but the different rstp rings
should not communicate/overlap(exchange bpdu) with each other through
Extreme eaps rings and viceversa in case of EAPS.

Regards,
Samit

> It works.
>
> But keep in mind that the EAPS "flush FDB" message sent by the Master node to the transit nodes will *not* be propagated into STP (AFIK). This may create situations where you cannot achieve the same convergence time that with an EAPS-only based solution.
>
> So, it depends on your requirements...
>
> Cheers,
> Julien.
>
>
> -----Message d'origine-----
> De : extreme-nsp-bounces@puck.nether.net [mailto:extreme-nsp-bounces@puck.nether.net] De la part de Samit
> Envoyé : mercredi 23 avril 2008 20:22
> À : extreme-nsp@puck.nether.net
> Objet : [e-nsp] Running EAPS and RSTP simultaneously
>
> Hi,
>
> Is it possible to run EAPS and RSTP simultaneously with Cisco switch
> that can work in topology like this?
>
>
> |---------Cisco--------|
> | |
> | Rstp |
> extrem----------------extrem
> | Eaps |
> |___extrem______|
> | |
> ______| |________
> | |
> | Rstp |
> cisco--------------cisco
>
> Regards,
> Samit
>
>
> _______________________________________________
> extreme-nsp mailing list
> extreme-nsp@puck.nether.net
> https://puck.nether.net/mailman/listinfo/extreme-nsp
>
>
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