Re: Distributed RSTP

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On Wed, 7 Oct 2009 13:22:44 -0700
NITIN SS <hi.nitin2000@xxxxxxxxx> wrote:

> Hi,
> 
> I am new to this RSTP/Bridge group and currently planning on distributed
> RSTP.
> 
> First of all, Distributed RSTP mean as, we will have 8 linux RSTPs and they
> all will have the same Bridge ID.

So you plan to take a perfectly good spec 802.1d and break it.
Why?

> As all bridges will have the same Bridge ID so I need to sync many variables
> functions across all units.

You are off in never-never fantasy land. Stop and ask why are you
doing this? It is like the old joke: "Doctor it hurts when I hit
my head with my fist..."

> Additionally there should be only one root port for all the eight bridges.
> In this way there should be one master which would be maintaing bridge
> variables and controlling bridge operations.
> There is only point to point link between all bridges through master.
> Additioanlly most of the RSTP state machines are port based so it looks
> feasible.
> 
> As your guys are RSTP experts, so i think it would be the right place to get
> suggestions/comments.
> 
> -What would be the limitations/complex Issues?
> -Is it feasible?
>  At top level it looks like there would be lot of efforts with respect to
> final outcome.
> -Is there any implementation of distributed RSTP?
> 
> Appreciate your comments.
> 
> Regards,
> Nitin


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