Re: STP root bridge question?

Well, let say that macro is out of the question. Is there a way to
change switch's MAC address? The one that is shown by show version? If
not, than disabling STP is probably solution?

On Mon, Mar 15, 2010 at 11:20 PM, Marko Milivojevic <markom_at_ipexpert.com> wrote:
> Since bridge priority is the only thing taken into account when
> deciding who will become root that you can manipulate, you have very
> few options. Other than that, ensure it has the lowest MAC address ;-)
>
> You can make others become roots by using "macro" command "span vlan
> 1-4094 root", but under the hood that also changes the priority. Or
> you could disable STP on Cat2 by doing "no span vlan 1-4094" (this is
> asking for trouble).
>
> --
> Marko Milivojevic - CCIE #18427
> Senior Technical Instructor - IPexpert
>
> Mailto: markom_at_ipexpert.com
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>
>
> On Mon, Mar 15, 2010 at 22:13, Ivan Hrvatska <ivanzghr_at_gmail.com> wrote:
>> Hello,
>>
>> if you have topology like this:
>>
>> sw1-----sw2
>> | \ / |
>> | \ / |
>> | / \ |
>> sw3------sw4
>>
>> all trunks between switches are etherchannel. Let say you don't want
>> that SW2 becomes root for any VLAN. How can you accomplish that
>> without changing priority on any of switches? STP used is RPVST.
>>
>> Regards
>>
>>
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Received on Mon Mar 15 2010 - 23:27:43 ART