From: Bryan Bartik (bbartik@ipexpert.com)
Date: Sun Mar 29 2009 - 12:40:04 ART
Jason,
I would bet that the statement
"The primary and secondary priorities should be at their default values."
means that you should use the "spanning-tree vlan x root primary|secondary"
commands, but leave those priorities at the values those respective commands
set ("default values").
Bryan Bartik
CCIE #23707, CCNP
Sr. Support Engineer - IPexpert, Inc.
URL: http://www.IPexpert.com
On Sun, Mar 29, 2009 at 7:56 AM, David Raney <daraneygs@gmail.com> wrote:
> From the DocCD, How a switch or port becomes the root switch or root port
> (if priority is the same it uses the lowest MAC address):
>
> http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12.2_25_sec/configuration/guide/swstp.html#wp1169930
>
> MST uses RSTP for convergence, also from the DocCD:
>
> http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12.2_25_sec/configuration/guide/swmstp.html#wp1033176
>
> HTH
>
> On Sun, Mar 29, 2009 at 9:03 AM, Jason Alex <amr.ccie@gmail.com> wrote:
>
> > Dear All,
> > The task says
> >
> >
> > Configure all four switches to use the form of STP where STP options such
> > as
> > UplinkFast and BackboneFast are no longer required. In addition:
> >
> > - STP parameters for VLANs 1,10,20,30,40,100,200, and 300 should be
> > dictated
> > by SW1. SW2
> >
> > should be the secondary root. SW2, SW3, and SW4 should not be root bridge
> > for any VLANs.
> >
> > - The primary and secondary priorities should be at their default values.
> >
> >
> >
> > So what is the mode we are going to choose , is it rapid-pvst or mst ?
> >
> > also what is the meaning of STP paramerters should be dictated by sw1 ,
> is
> > it mean that sw1 should be the root ?
> >
> > also how to make sw1 is the root without modifying the priority ? as i
> know
> > the command "spanning-tree vlan X root primary" modified the priority
> >
> >
> >
> > Please Advice
> >
> >
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> >
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>
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