From: ccieim@comcast.net
Date: Wed Mar 22 2006 - 12:55:28 GMT-3
I think you guys are breaking NDA on this topic.
-------------- Original message --------------
From: "Petr Lapukhov" <petrsoft@gmail.com>
> Hi, Marcio.
>
> No, i think that won't do it.
>
> You see, forward-time is time interval for listening and learning
> statates - separately.
>
> That is, a port remains for seconds in listening state,
> and another seconds in learning state.
>
> A total of 2x forward-time, which is 10 in your case. And we need
> to get port up & running in just 5 seconds.
>
> To the extend of my knowledge, that could be accomplished only
> with porfast/uplinkfast extensions, or RSTP protocol.
>
> HTP
> Petr
>
> 2006/3/22, Marcio Ferreira :
> >
> > hi, I was really thinking that the command "spanning-tree vlan XX
> > forward-time 5" would do it.
> >
> > Can someone confirm if it really does? And if not, could please explain
> > why?
> >
> > Thanks
> >
> > On 3/22/06, Petr Lapukhov wrote:
> > >
> > > Just another thougth..Since classical STP is a little bit slow here.
> > >
> > > That 5 seconds interval reminds me of UplinkFast feature :)
> > >
> > > i takes about 1 to 5 seconds for alternative uplink to become fully
> > > operational. Maybe that could answer your question?
> > >
> > > HTH
> > > Petr
> > >
> > > 21.03.06, Evgeniy Voloshin NAPISAL(A):
> > > >
> > > > Yes,
> > > >
> > > > I understand that I must adjusted on root bridge some timers, but I
> > need
> > >
> > > > to see some example, so I write how I can do it - reduce (learning
> > and
> > > > listening) interval to 5 sec?
> > > > Of course I understand, that I can implement rapid STP on my switches,
> > > > but I also want ot see some example about 5 seconds with simple STP.
> > > >
> > > > ---
> > > > Yev.
> > > >
> > > > Evgeniy Voloshin wrote:
> > > >
> > > > > Hi Group,
> > > > >
> > > > > I have a little questions about STP - how I can reduce (learning and
> > > > > listening) interval to 5 sec on some port, where I must to do it? In
> > > > > global configuretion or on interface?
> > > > >
> > > > > I think that I must to change stp timers:
> > > > > Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
> > > > >
> > > > > Hello to 1 sec, and Forward to 4 seconds - this is minimal value...
> > > > >
> > > > > Or I must change diameter on root bridge for this Vlan:
> > > > > spanning-tree vlan XX root primary diameter 2-7
> > > > > ?
> > > > >
> > > > > TIA!
> > > > > ---
> > > > > Yev.
> > > > >
> > > > >
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> > > > --
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> > > > eWGENIJ.
> > > >
> > > >
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