From: Salahaddin Elshekeil (salah.elshekeil@gmail.com)
Date: Tue Mar 17 2009 - 14:03:37 ART
I agree with Nadeem in portfast it will jump up to forwarding directly,
you can see that by enabling service timestamp and see the debug ip spanning
event output!
Salah
On Tue, Mar 17, 2009 at 2:35 PM, Nadeem Ansari
<nadeem.ansari574@gmail.com>wrote:
> Sorry Jeff,
>
> You was not right with portfast port directly comes in to forwarding state
> and it skips listening and forwarding delays
>
> Regards
> Nadeem
> On Tue, Mar 17, 2009 at 4:40 PM, Jeff Andiorio <jandiorio@gmail.com>wrote:
>
>> Changing the forward delay to 10 seconds will reduce the overall time
>> for a port to become active. If the target is 20 seconds and the port
>> is becoming active for the first time, you may also have to enable
>> portfast to eliminate the 20 sec initial blocking requirement.
>>
>> with portfast you would have :
>> 0 secs blocking
>> 10 secs listening
>> 10 secs learning
>> total 20 secs to forwarding.
>> [
>> Jeff
>>
>> On Tue, Mar 17, 2009 at 3:32 AM, Nadeem Ansari
>> <nadeem.ansari574@gmail.com> wrote:
>> > listening > learning 10 sec
>> > learning > forwarding 10 sec
>> > Above statements are true in case of CST, PVST
>> > Regards
>> > Nadeem
>> > On Tue, Mar 17, 2009 at 12:42 PM, Salahaddin Elshekeil <
>> > salah.elshekeil@gmail.com> wrote:
>> >
>> >> Hi experts,
>> >>
>> >>
>> >>
>> >> Please I need someone to clarify this point,
>> >>
>> >>
>> >>
>> >> When I change the forward time to 10 sec.
>> >>
>> >>
>> >>
>> >> 10 sec from blocking ` listening,
>> >>
>> >> and another
>> >>
>> >> 10 sec from listening ` learning,
>> >>
>> >>
>> >>
>> >> In another word it will take 20 sec startup time to come up?
>> >>
>> >>
>> >>
>> >> Correct me if I'm wrong,
>> >>
>> >>
>> >>
>> >> Thanks
>> >>
>> >>
>> >>
>> >> Salah
>> >>
>> >>
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