Very Good. Thank you...The loop you decribed would amount to a broadcast
storm..
Marc
"Brian" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> On Thu, 27 Jul 2000, Marc Quibell wrote:
>
> > STP does not work with hubs. It only works in a completly switched
network.
> > Hubs do not run STP, hence the switch does not get BDPU's from the hub
and
> > does not recognize the non-STP connected ports in order to put the port
into
> > to a mode such as blocking mode.
>
> correct.
>
> >
> > That said, let's say you do have 2 switch ports (1&2) connected to a
same
> > hub. A broadcast occurs, which comes in on ports 1&2, but since a
switched
> > port does not return traffic to the source port, the broadcasts coming
in on
> > ports 1&2 will not get re-broadcasted back onto themselves...
> >
>
> but broadcasts going out port 1 will still goto port 2 (which isn't
> itself), and vice versa. With no STP, this would create looping.
>
> Brian
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