From: M_A_Jones@Dell.com
Date: Wed Nov 28 2007 - 10:56:38 ART
"Proctor!"
"Somethings wrong with my switch, whats this err-disable???
"When I try the no shut command it doesn't work, I assure you it's a bad
switch!"
:)
Michael Jones
Network Engineer
Global Network Operations
Dell Inc. | Information Technology
W. 512.723.3268 | C. 512.966.6908
-----Original Message-----
From: Darby Weaver [mailto:darbyweaver@yahoo.com]
Sent: Tuesday, November 27, 2007 9:38 PM
To: Narbik Kocharians; Jones, Michael A - Authorized Dell Representative
Cc: mounir.ccieisa@gmail.com; asim.mz@gmail.com; ccielab@groupstudy.com
Subject: Re: bpdugaurd
Now...
Imagine that this global command was turned on in your lab at the
outset...
Hmmm....
A little havoc to the unwary? Not much to a seasoned careful eye, but
maybe to those not so careful, perhaps?
--- Narbik Kocharians <narbikk@gmail.com> wrote:
> At the global level you can enable BPDUguard by using the
> "Spanning-tree portfast bpduguard default", this will shut down the
> portfast enabled ports that receive BPDUs.
>
> This could also be done at the interface level, if its enabled at the
> interface level then, you don't need to enable portfast at the
> interface level. Once again the interface will transition into
> err-disable mode if that given port receives BPDUs.
>
> On 11/27/07, M_A_Jones@dell.com <M_A_Jones@dell.com>
> wrote:
> >
> > If you enable BPDU Guard on every interface, isnt
> that Global???
> >
> > :)
> >
> >
> > Michael Jones
> > Network Engineer
> > Global Network Operations
> > Dell Inc. | Information Technology
> > W. 512.723.3268 | C. 512.966.6908
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com] On Behalf Of
> > Mounir Mohamed
> > Sent: Tuesday, November 27, 2007 12:03 PM
> > To: Asim Zafar
> > Cc: Cisco certification
> > Subject: Re: bpdugaurd
> >
> > Dear Asim,
> >
> > BPDU can not be enabled globally, but you can
> enable BPDUGUARD with
> > portfast, in this case the command only effect all
> ports has portfast
> > enabled.
> >
> > You can enable portfast per interface or globally
> by use
> > SW1(config)#spanning-tree portfast default
> >
> > If you asked to enable BPDUGUARD on all
> access-ports you can do it with
> > the below tow commands
> >
> > SW1(config)#spanning-tree portfast default
> SW1(config)#spanning-tree
> > portfast bpduguard default
> >
> > You can verify it by:
> >
> > SW1#show spanning-tree interface f0/1 detail | inc
> Bpdu|portfast
> > The port is in the portfast mode by default
> > Bpdu guard is enabled by default
> >
> > Best Regards,
> > Mounir Mohamed
> >
> > On Nov 27, 2007 2:03 PM, Asim Zafar
> <asim.mz@gmail.com> wrote:
> >
> > > Hi Techs,
> > >
> > >
> > > If I implement BPDUGAURD on global config mode
> will it be implemented
> > > on all access ports or it will be implemented on
> all ports regardless
> > > access, trunk on the switch, if this is true
> then will we have to
> > > configure them separately on all ports.
> > >
> > >
> > > --
> > > Thanks & Regards,
> > >
> > > Asim Zafar
> > >
> > >
>
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