Re: Root port

Joe,
Either I'm confused or...

Port priority is a local thing, and port cost is what STP adds up to
inform the rest of the connected network the path cost to the root,
so hardly a local thing.

-Carlos

Joe Astorino @ 21/4/2010 8:34 -0300 dixit:
> What you read is simply not true. STP cost is a local thing. If you want to influence the root port of B by changing something on A you need to use port priority
>
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> -----Original Message-----
> From: just kennie <justkennie_at_gmail.com>
> Date: Wed, 21 Apr 2010 12:09:51
> To: Cisco certification<ccielab_at_groupstudy.com>
> Subject: Root port
>
> I have two switches A and B connected together through two trunks A1 ----
> B1, and A2 ---- B2. present the root bridge is A, and all the ports are
> forwarding. As for B, the root port is B1, and B2 in blocking. My question
> is how do I make B2 forwaing on B. On my lab I reduced the cost of B2 on B
> from 19 to 10, and it works. Bu on cisco site, I was told you will reduce
> the cost of A2 on A for B2 to be the root port on B. Please assist.
>
>
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-- 
Carlos G Mendioroz  <tron_at_huapi.ba.ar>  LW7 EQI  Argentina
Blogs and organic groups at http://www.ccie.net