From: davidytk (davidytk@netvigator.com)
Date: Wed Sep 19 2007 - 07:12:50 ART
Default the STP port from blocking to fowarding is 50s. This timer is
related to forward delay and max age
50s = 2*forward delay + max age.
Default forward delay = 15s
Default max age = 20s
I think the question is related to this item. But there is some other ways
to minimum the timer.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
alexey
Sent: Wednesday, September 19, 2007 5:53 PM
To: ccielab@groupstudy.com
Subject: Fwd: STP and Routing questions
> 1. What about max age time? The minimum max age is 6 seconds.
> Minimum forward delay is 4 seconds.
>
> So 6+(4*2) = 14 seconds is the minimum, isn't it?
>
> Someone please verify these numbers...
This is not true. Because the question specifically about port startup (BLK
-> FWD), rather than on the time of convergence network (Max Age +
-> Forward
Delay + Forward Delay).
> On 9/17/07, hadek.el-ayachi@nsn.com <hadek.el-ayachi@nsn.com> wrote:
> > Hi Experts,
> > I have the following questions:
> > 1- In a non root switch, make the startup time of ports in vlan 15
> > equal to 12 seconds?
All changes timers should be done only at the root switch. Changes timers at
non-root switches will not lead to any results. Am I right?
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