[c-nsp] Basic RSTP question

[Yuri Bank]

You're correct. The port between C and A will be the only port in a
forwarding state eligible for the TC to be sent out. ( C will be blocking
its port to B at this point).

On Mon, Oct 19, 2009 at 8:26 AM, samuel vuillaume <vuillaumes at gmail.com>wrote:

> Hi guys,
>
> Just quick question pretty straight forward about RSTP. In a triangle
> topology as below
>
>
>  A(f) ---------- (f)C
>    |                 (b)
>  B(f)_________|
>
> Let's say A is root and B backup root,  port to B is block on C, and port
> to
> A is forwarding.
>
> When i shut down the root port, no problem, it converges in less than 1
> sec.
>
>
> My question is when the port on C is un shut, so back up, the handshake
> starts between A and C ( i mean proposal and agreement),
>
> and after the handshake, on C port facing A should move from blocking to
> forwarding. In that case, does C send out a TC on this port and flush is
> MAC
> address table?
>
>
> tks
> Sam
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