The spanning tree algorithm WILL execute if you plug a PC into a cAT switch.
----- Original Message -----
From: "Leigh Anne Chisholm" <[EMAIL PROTECTED]>
To: "Jared Carter" <[EMAIL PROTECTED]>; "'Jon Mitchell'"
<[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Friday, September 29, 2000 7:35 PM
Subject: RE: STP question
> 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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