Re: spanning-tree port-priority

I happen to have created a video on this topic. Feel free to check it
out. I think it may help you C.H.

http://www.youtube.com/watch?v=utpFFXEEFGk&feature=share&list=PL49611626480E0595

On Sun, Dec 9, 2012 at 3:55 PM, C.H. <netsolutions03_at_aol.com> wrote:
> 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
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
>
>
>
>
>
>

-- 
Regards,
Joe Astorino
CCIE #24347
http://astorinonetworks.com
"He not busy being born is busy dying" - Dylan
Blogs and organic groups at http://www.ccie.net