Re: Disabling spanning tree

I agree Tony. Thinking about it a little bit more there's no way you can
disable STP on a per port basis. You can disable STP on a per VLAN base but
not per port. What are you thoughts on that?

Jonathan Greenwood II
CCIE #22744

On Thu, Apr 16, 2009 at 11:32 AM, Tony Varriale
<tvarriale_at_flamboyaninc.com>wrote:

> This like a lot of lab tasks are vague.
>
>
> But, with portfast xyz you aren't disabling spanning tree. The question is
> clear about 2 things.you have to disable spanning tree and you can't use no
> spanning-tree commands. And, obviously, a switch can be connected to a
> port
> that is in portfast.
>
>
>
> If you read the vague part about switch or bridge as BPDUs, the answer that
> meets the requirement is quite clear.
>
>
>
> tv
>
>
>
> From: Jonathan Greenwood II [mailto:gwood83_at_gmail.com]
> Sent: Thursday, April 16, 2009 1:19 PM
> To: Tony Varriale
> Cc: ccielab
> Subject: Re: Disabling spanning tree
>
>
>
> I agree but key string in his question was "Assume SW2 Fa 0/15 will never
> connect to a switch or bridge"
>
>
>
> The question itself is pretty vague and would probably warrant some clarity
> if the proctor where to offer. But my initial thoughts are portfast based
> upon the question.
>
>
>
> Jonathan Greenwood II
> CCIE #22744
>
> On Thu, Apr 16, 2009 at 11:12 AM, Tony Varriale <
> tvarriale_at_flamboyaninc.com>
> wrote:
>
> That doesn't disable spanning tree. It expedites the process.
>
> tv
>
> On Thu, Apr 16, 2009 at 8:43 PM, Ryan West <rwest_at_zyedge.com> wrote:
>
> > Spanning-tree portfast is what they're asking you for. Key words are
> > switch or bridge.
> >
> > -ryan
> >
> > -----Original Message-----
> > From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> > Salah ElShekeil
> > Sent: Thursday, April 16, 2009 1:35 PM
> > To: Ryan DeBerry
> > Cc: Ravi Singh; ccielab
> > Subject: Re: Disabling spanning tree
> >
> > I have this task
> >
> > Assume SW2 Fa 0/15 will never connect to a switch or bridge!
> >
> > desable spanning tree on this interface, you may not use no spanning-tree
> > commands to do this!
> >
> > the interface must be up !!
> >
> >
> > !!
> >
> > On Thu, Apr 16, 2009 at 8:32 PM, Ryan DeBerry <rdeberry_at_gmail.com>
> wrote:
> >
> > > BPDUFILTER
> > >
> > > http://anetworkerblog.com/2007/08/26/bpdu-guard-and-filter/
> > >
> > >
> > > On Thu, Apr 16, 2009 at 1:26 PM, Ravi Singh <way2ccie_at_googlemail.com
> > >wrote:
> > >
> > >> I think disabling spanning tree is not the right term to use. You can
> > >> disable the receipt of BPDUs on the interface though using bpduguard.
> > >> or if you use portfast on the interface it would send the interface
> > >> straight to forwarding state which can be thought of as disabling
> > >> spanning-tree but actually it's not.
> > >>
> > >> Regards,
> > >> Ravi
> > >>
> > >> On Thu, Apr 16, 2009 at 6:17 PM, Salah ElShekeil
> > >> <salah.elshekeil_at_gmail.com> wrote:
> > >> > Dear all,
> > >> >
> > >> >
> > >> >
> > >> > how to disable spanning tree on an interface without using "no
> > spanning
> > >> > tree" command?
> > >> >
> > >> >
> > >> >
> > >> >
> > >> >
> > >> > Salah
> > >> >
> > >> >
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> CCIE #22744
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-- 
Jonathan Greenwood II
CCIE #22744
Blogs and organic groups at http://www.ccie.net