Re: spanning-tree port-priority

Lowest port #....

On Sun, Dec 9, 2012 at 3:25 PM, marc abel <marcabel_at_gmail.com> wrote:

> Ah but if you apply both priority and cost which one wins?
>
>
> On Sun, Dec 9, 2012 at 11:54 AM, marc edwards <renorider_at_gmail.com> wrote:
>
> > Speaking from the switch perspective, we make change on a switch
> > upstream that influences the election of the upstream interfaces on
> > current switch.
> >
> > Marc
> >
> > On Sun, Dec 9, 2012 at 9:51 AM, marc edwards <renorider_at_gmail.com>
> wrote:
> > > When we talk upstream/downstream, the way I envision is like river.
> > > the source of the stream is up. So root would be upstream.
> > >
> > > You are right that it is downstream interface from that definition.
> > >
> > > Marc
> > >
> > > On Sun, Dec 9, 2012 at 9:16 AM, dia.aliou_at_gmail.com <
> dia.aliou_at_gmail.com>
> > wrote:
> > >> Hi,
> > >>
> > >> The way I remember it easilu is: apply port priority on a port going
> > away of
> > >> the root bridge (downstream) and use port cost on the port going
> toward
> > the
> > >> root bridge.
> > >>
> > >> HTH
> > >>
> > >> Aliou
> > >>
> > >> On 9 Dec 2012 15:58, "marc edwards" <renorider_at_gmail.com> wrote:
> > >>
> > >> I forgot something and hope this doesn't confuse things.... port
> > >> priority has to be upstream of root (or blocked) port and is used to
> > >> influence the election of the root port on downstream device. HTH
> > >> clarify a little more.
> > >>
> > >> Regards,
> > >>
> > >> Marc
> > >>
> > >>
> > >> On Sun, Dec 9, 2012 at 6:18 AM, marc edwards <renorider_at_gmail.com>
> > wrote:
> > >>> It has to be applied on...
> >
> >
> > Blogs and organic groups at http://www.ccie.net
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
> >
> >
> >
> >
> >
> >
> >
> >
>
>
> --
> Marc Abel
> CCIE #35470
> (Routing and Switching)
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html

Blogs and organic groups at http://www.ccie.net
Received on Sun Dec 09 2012 - 15:55:14 ART