From: Carlos G Mendioroz (tron@huapi.ba.ar)
Date: Fri May 28 2004 - 09:28:55 GMT-3
I don't think so.
There's only one root bridge in a converged STP domain.
Changing a non-root bridge priority will have no impact in the STP
topology...
Phil wrote:
> Tom,
>
> You have to make cat2950#1 the secondary root to
> acomplish this. First, STP checks the bridge priority
> and then the port cost as a tie breaker.
>
> Phil
>
> --- Tom Young <gitsyoung@yahoo.co.jp> wrote:
>
>>Hi, group
>>
>> I confused on the spantree question. I connected
>>the
>>network as below, two cat6509s and two cat2950s, the
>>cat6509#1 for the STP root and the cat6509#2 for the
>>secondary root. The port that connect cat2950#1 from
>>cat2950#2 was blocked by STP function. I want to
>>block the
>>port that from Cat6509#2 to Cat2950#2. I tried the
>>next
>>two commands, but failured, how can I do ? Help
>>me,please.
>>
>>set spantree portvlancost 3/3 cost 200
>>set spantree portcost 3/3 cost 200
>>(the port 3/3 of cat6509#2 was connected with
>>cat2950#2)
>>
>> cat6509#1------cat6509#2
>> | |
>> | |
>> cat2950#1------cat2950#2
>>
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-- Carlos G Mendioroz <tron@huapi.ba.ar> LW7 EQI Argentina
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