From: Pavel Bykov (slidersv@gmail.com)
Date: Wed Dec 10 2008 - 08:19:06 ARST
Max-age timer (10xhello interval) is used for convergence - i.e. when you
were receiving BPDUs and then stopped.
This means the failure has to be NON-DIRECT, since direct failures are
detected immediately and max-age timer is skipped.
On Wed, Dec 10, 2008 at 7:42 AM, Zealist Hammad <zealist@gmail.com> wrote:
>
> I wonder if we have to add max-age-delay as well for MST as there is
> max-age delay also involve in this,
>
> Spanning-tree mst max-age 6
> Spanning-tree mst forward-time 5
>
>
> Regards
> Zealist
>
>
> On 12/9/08, Pavel Bykov <slidersv@gmail.com> wrote:
>>
>> Ali,
>> It will work for MST and PVST with Jason'c config.
>> If you have doubts, the best way is to lab it out.
>>
>> On Mon, Dec 8, 2008 at 7:32 AM, Ali El Moussaoui <mousawi.ali@gmail.com
>> >wrote:
>>
>> > if thats true how u satisfy the question in the PVST case?
>> >
>> > On Sun, Dec 7, 2008 at 5:21 PM, gwood83@gmail.com <gwood83@gmail.com>
>> > wrote:
>> >
>> > > Based upon the question which ultimately states a port has to wait
>> > > 16seconds before moving into the forwarding state Jason is correct far
>> as
>> > > the configuration.
>> > > -----Original Message-----
>> > > Date: Sunday, December 07, 2008 4:56:57 pm
>> > > To: "TCP IP4" <tcp.ip4@gmail.com>
>> > > Cc: "Jason Madsen" <madsen.jason@gmail.com>, "Paul Adams" <
>> > > ccie.paul@gmail.com>, "Cisco certification" <ccielab@groupstudy.com>
>> > > From: "Ali El Moussaoui" <mousawi.ali@gmail.com>
>> > > Subject: Re: MST / PVST
>> > >
>> > > I still do not agree...blocking to learning is not a forwarding delay
>> > else
>> > > you will have to consider the same for PVST then either solutoin will
>> be
>> > > correct but not both.
>> > >
>> > > On Sun, Dec 7, 2008 at 4:15 PM, TCP IP4 <tcp.ip4@gmail.com> wrote:
>> > >
>> > > > No, 2 state changes are needed for MST. Jason is right.
>> > > >
>> > > > blocking -> learning: one forward-delay
>> > > > learning -> forwarding: two forward-delays
>> > > >
>> > > > Following is from a test switch with MST0 forward-delay set to 8
>> when
>> > > port
>> > > > is unshut:
>> > > >
>> > > > *Mar 2 06:16:42.483: MST[0]: Gi1/0/5 state change disabled ->
>> blocking
>> > > > *Mar 2 06:16:42.626: %LINK-3-UPDOWN: Interface
>> GigabitEthernet1/0/5,
>> > > > changed state to up
>> > > > *Mar 2 06:16:43.632: %LINEPROTO-5-UPDOWN: Line protocol on
>> Interface
>> > > > GigabitEthernet1/0/5, changed state to up
>> > > > *Mar 2 06:16:50.486: MST[0]: Gi1/0/5 state change blocking ->
>> learning
>> > > > *Mar 2 06:16:58.489: MST[0]: Gi1/0/5 state change learning ->
>> > forwarding
>> > > >
>> > > >
>> > > > On Sun, Dec 7, 2008 at 3:16 PM, Ali El Moussaoui <
>> > mousawi.ali@gmail.com
>> > > >wrote:
>> >
>> >
>> > Blogs and organic groups at http://www.ccie.net
>> >
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>> >
>> >
>> >
>> >
>> >
>> >
>>
>>
>> --
>> Pavel Bykov
>> ----------------
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>
>
> --
> zealist@gmail.com
-- Pavel Bykov ---------------- Don't forget to help stopping the braindumps, use of which reduces value of your certifications. Sign the petition at http://www.stopbraindumps.com/Blogs and organic groups at http://www.ccie.net
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