Re: Getting a por to be in forwarding state in 14 seconds ....

From: kuldip singh (dipa.singh@gmail.com)
Date: Fri Oct 26 2007 - 14:34:06 ART


Hi,

mail from Brian Mcghan,

       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

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.
>
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