Re: Hub connected to an access port

It shouild not be a problem. Both should work together.

On Mon, Jun 8, 2009 at 12:56 AM, Anantha Subramanian Natarajan <
anantha.natarajan_at_gravitant.com> wrote:

> Hi Joe,
>
> No problem and thank you very much ,will try to lab it up,when get a
> chance.
>
> Regards
> Anantha Subramanian Natarajan
>
> On Sun, Jun 7, 2009 at 11:53 PM, Joe Astorino <jastorino_at_ipexpert.com
> >wrote:
>
> > I don't recall reading about any limitation there, but when in doubt LAB
> > IT UP! I honestly don't recall off the top of my head.
> >
> >
> > Regards,
> >
> > Joe Astorino
> > CCIE #24347 (R&S)
> > Sr. Support Engineer IPexpert, Inc.
> > URL: http://www.IPexpert.com <http://www.ipexpert.com/> <
> http://www.ipexpert.com/>
> >
> >
> >
> > ------------------------------
> > *From:* Anantha Subramanian Natarajan [mailto:
> > anantha.natarajan_at_gravitant.com]
> > *Sent:* Monday, June 08, 2009 12:52 AM
> > *To:* Joe Astorino; Cisco certification
> > *Subject:* Re: Hub connected to an access port
> >
> > Hi Joe,
> >
> > Thank you very much and thanks for the port-security feature suggestion
> > here.One question on this is,can we enable port security on access port
> in
> > addition to bpduguard/portfast feature.
> >
> > Thanks
> >
> > Regards
> > Anantha Subramanian Natarajan
> >
> > On Sun, Jun 7, 2009 at 11:44 PM, Joe Astorino
> <jastorino_at_ipexpert.com>wrote:
> >
> >> Well, I would use bpduguard as you said to start with...this will do
> what
> >> you want generally if somebody plugs in any kind of switch that actually
> >> runs STP. BUT regarding the hub like you said, or switches that just
> are
> >> not that advanced you have to dig deeper. How about port-security with
> a
> >> maximum of 1 MAC address? As soon as more than 1 user MAC address comes
> >> on
> >> the port, it will shut down. Of course they could technically have a
> hub
> >> plugged in with only 1 user but ... Not likely. I think those 2 things
> >> will
> >> solve about 99% of your issues.
> >>
> >>
> >> Regards,
> >>
> >> Joe Astorino
> >> CCIE #24347 (R&S)
> >> Sr. Support Engineer - IPexpert, Inc.
> >> URL: http://www.IPexpert.com <http://www.ipexpert.com/> <
> http://www.ipexpert.com/>
> >>
> >> -----Original Message-----
> >> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> >> Anantha Subramanian Natarajan
> >> Sent: Monday, June 08, 2009 12:37 AM
> >> To: Cisco certification
> >> Subject: Hub connected to an access port
> >>
> >> Hi All,
> >>
> >> I am trying to find an soultion on the below requirement.Any help is
> >> really appreciated.
> >>
> >> The requirement is,an access port should be put in error disabled state
> >> if
> >> an switch or hub is connected to that port.I am assuming that having
> >> portfast enabled with bpdu guard feature on it would put the access port
> >> on
> >> error disable state if an switch is connected.One problem which I have
> in
> >> this solution is,if the connected switch has disabled BPDU on that
> >> port,how
> >> this access port would knaow about it and put the port in error disable
> >> state.
> >>
> >> Also,if the hub is connected,how the access port knows about it, as I am
> >> assuming, Spanning tree protocol only runs on bridges and switches which
> >> are
> >> 8012.1D compliant and so not in hub.I am thinking,may be I am wrong in
> >> this
> >> assumption.Kindly help me to understand the same.
> >>
> >> Any other method to acheive the same.
> >>
> >> Thanks for the assistance
> >>
> >> Regards
> >> Anantha Subramanian Natarajan
> >>
> >>
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> >>
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> >>
> >>
> >>
> >>
> >>
> >>
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> 06/07/09
> >> 05:53:00
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> >>
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Received on Mon Jun 08 2009 - 10:13:55 ART