>From what I've seen both ends of the redundant link won't be blocking, one
will be forwarding on one end, and one will be blocking. If you refer to the
original spanning tree diagram drawing in this article:
http://en.wikipedia.org/wiki/Spanning_tree_protocol diagram 5 you'll see one
end of the redundant link is set to designated forwarding, and one is
blocking. I believe this is what you're describing? I think this is due to
spanning tree's requirement that one port on a segment must be chosen for a
forwarding, or designated role. Hope that helps.

Nick

On Dec 4, 2007 12:32 PM, Troopy . <[EMAIL PROTECTED]> wrote:

>
> Hello,
>
> I tried to test the spanning tree on Vyatta.
>
> There is one problem with Vyatta and more precisely the Linux plateform.
>
> We made a triangle with two Linux/Vyatta router and a Cisco router.
> One of the Linux is set as the  root STP.
>
> The Cisco router has a correct behaviour because it has
>  a blocking and forwarding port
> The root Linux stp has a correct behaviour because it has
>  two forwarding ports
> The problem is on the non-root stp Linux. It has
>  2 forwardind ports instead of 1 blocking and one fowarding port.
>
> I think something has to be changed on the Linux level but what?
>
> Regards
>
> TRoopy
>
>
>
>
>
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