Actually, Spanning Tree only runs if it detects the presence new or absence of
expected BPDU's. Plugging a PC into a switch port will not cause the Spanning Tree
Algorithm to execute.
-- Leigh Anne
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> Jared Carter
> Sent: Friday, September 29, 2000 4:37 PM
> To: 'Jon Mitchell'; '[EMAIL PROTECTED]'
> Subject: RE: STP question
>
>
> Spanning Tree will run its algorithm every time a port is plugged
> in (unless
> Portfast is enabled...) and ensure a loop free topolgy. The first port up
> will not necessarily be the one that stays in forwarding, it depends on
> several variables... bridge ID, cost to root, port priority...
> all of which
> are sent out in STP BPDUs.
>
> I would recommend you get a copy of the Cisco Press book Cisco LAN
> Switching. The two chapters on STP (and the rest of the book, too) are
> probably the best written. Well worth the $60 or so.
>
> /Jared
>
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