From: Joseph Brunner (joe@affirmedsystems.com)
Date: Mon Oct 29 2007 - 13:20:12 ART
Right,
I'm think MAX AGE is never used when going from blocking to forwarding when
connected to hosts. EVER.
My debug spanning-tree events seems to do nothing but reinforce this (and
yes scott I have tested it with/without using shutdown)
-Joe
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
ccie1101
Sent: Monday, October 29, 2007 9:58 AM
To: Tarun Pahuja
Cc: Cisco certification
Subject: Re: Getting a por to be in forwarding state in 14 seconds ....
Tarun,
Thanks for the link .... :). This reply by Brian McGahan has cleared
my doubt .... Hmmm .... this is so easy to understand then the way some
books word the this concept ... Thanks Tarun and Brian G:)
> The forward-delay command configures each of the listening and
> learning phase timers. This means that if you have it configured as 15
> that it will take 30 seconds to go through both phases. If you want to
> move from blocking to forwarding in less than 16 seconds your forward
> delay would have to be 8 or lower.
>
> Brian McGahan, CCIE #8593
> bmcgahan@xxxxxxxxxxxxxxxxxxxxxx
On 10/27/07, Tarun Pahuja <pahujat@gmail.com> wrote:
>
> ccei1101,
> Let me know if your question is not answered by the
> following link:
>
> http://www.cisco.com/warp/public/473/122.html
>
> HTH,
> Tarun
>
> On 10/26/07, ccie1101 <ccie1101@gmail.com> wrote:
> > GS,
> > The question asks a total link startup delay of 14 seconds, at fist
> > instance I just did the following,
> > spanning-tree vlan 30 forward-time 14 but the TOTAL LINK delay is Hello
> +
> > Forward Delay + Max Age.
> >
> > So therefore to get the port to be up in 14 seconds, would it be :-
> > spanning-tree vlan 30 forward-delay 6
> > spanning-tee vlan 30 max-age 6
> >
> > and 2 seconds is for BPDU which gives us 14 seconds in total for the
> > link to be up. Would this logic be
> > correct ?
> >
> > Pls advice,
> >
> > ccie1101.
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
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