Re: Spanning-tree Guard Root

Unless I'm mistaken a port with root guard can receive BPDU's so long
as the BPDU's does not have a better root priority. If it had a
better root priority it would put the port in a root inconsistent state.

If you wanted a port not to receive BPDU's you would use BPDU Guard.
If that port received a BPDU it would be put in an err-disabled state.

Andy

Quoting Edwin Campbell <edwin.l.campbell_at_gmail.com>:

> A good way to sum it up is when a port is configured with the root guard
> feature, it can only *forward* BPDUs (not receive them). Root Guard prevents
> the port from ever becoming the root port where BPDUs would normally be
> received from the root bridge.
>
> -Edwn-
>
>
> On Tue, Apr 12, 2011 at 1:33 AM, Tony claros <tonyclaros26_at_gmail.com> wrote:
>
>> Hi
>>
>> Can someone explain *"spanning-tree guard root" *
>> **
>> *( To avoid switch becoming a root bridge - is what i understood when
>> reading books ) *
>> **
>> **
>> *Thanks*
>> *TC*
>>
>>
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Received on Wed Apr 13 2011 - 09:31:48 ART