Re: Spanning Tree Portfast

From: James Ventre (messageboard@ventrefamily.com)
Date: Fri Mar 31 2006 - 19:50:31 GMT-3


OK. I'm wrong, for atleast 802.1d (RSTP isn't supported on my 1841 w/
etherswitch).

Router-1841(config-if)#no shut
Mar 31 17:48:21 EST: STP: VLAN200 Fa0/0/0 -> blocking
Router-1841(config-if)#
Mar 31 17:48:24 EST: STP: VLAN200 Fa0/0/0 ->jump to forwarding from blocking

James

James Ventre wrote:
> I believe that portfast does indeed go through the phases of STP
> (blocking, learning and listening) but the timers are just very very short.
>
> James
>
>
>
>
> Guyler, Rik wrote:
>> I believe portfast bypasses the blocking, learning and listening
>> states and
>> goes immediately into the forwarding state. I think something like
>> uplinkfast is more like what you're looking for, or in more current
>> terms,
>> Rapid-PVST.
>>
>> This was off the top of my head so please correct me if I'm wrong.
>>
>> Rik
>
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