From: Darby Weaver (darbyweaver@yahoo.com)
Date: Wed Nov 28 2007 - 00:38:03 ART
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
> > >
> > >
>
This archive was generated by hypermail 2.1.4 : Sat Dec 01 2007 - 06:37:31 ART