I'd recoomend to go bpduguard.
Either:
(config)#spanning-tree portfast bpduguard
or
(config-if)#spanning-tree bpduguard enable
With bpdufilter, If you connect two ports, both of which are with
"bpdufilter" none of them will send bpdu, and there still will be a loop.
On Fri, May 15, 2009 at 4:24 PM, Ryan West <rwest_at_zyedge.com> wrote:
> Put spanning-tree portfast bpdufilter enable or bpduguard to either take it
> out of portfast or err-disable it.
>
> -ryan
>
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> Muhammad Saleem
> Sent: Friday, May 15, 2009 10:25 AM
> To: ccielab_at_groupstudy.com
> Subject: Network Degraded
>
> Hi Experts,
>
> How to protect Cisco switches (2960G, 3750) if someone insert the direct
> pulled cable from switch into the same switch wall Data outlet while all
> the
> ports have portfast and loop guard filter enabled, I will appreciate all
> suggestions
>
>
> Blogs and organic groups at http://www.ccie.net
>
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> Blogs and organic groups at http://www.ccie.net
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> _______________________________________________________________________
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-- Pavel Bykov ---------------- Don't forget to help stopping the braindumps, use of which reduces value of your certifications. Sign the petition at http://www.stopbraindumps.com/ Blogs and organic groups at http://www.ccie.netReceived on Fri May 15 2009 - 19:45:54 ART
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