From: Cisco Nuts (cisconuts@hotmail.com)
Date: Fri Oct 14 2005 - 04:26:18 GMT-3
Thank you for the clarification, Bob.
I was also not clear on that.
Sincerely.
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From: <i>"Bob Sinclair"
<bob@bobsinclair.net></i><br>Reply-To: <i>"Bob Sinclair"
<bob@bobsinclair.net></i><br>To: <i>"Matthew Seppeler"
<Matthew.Seppeler@inetx.com>,
<ccielab@groupstudy.com></i><br>Subject: <i>Re: Difference between
bpduguard & bpdufilter</i><br>Date: <i>Thu, 13 Oct 2005 22:09:58
-0400</i><br>>Matthew,<br>><br>>Here are some of my
notes:<br>><br>>BPDU Guard:<br>><br>>error-disables port if a
portfast port receives a bpdu<br>><br>>enable on all portfast ports:
spanning-tree portfast bpduguard default<br>><br>>enable per port:
spanning-tree bpduguard [enable disable]<br>><br>><br>>BPDU
Filtering:<br>><br>>When enabled globally prevents portfast ports from
sending bpdus. If bpdu is<br>>received, port becomes non-portfast and
filtering is disabled<br>><br>>spanning-tree portfast bpdufilter
default<br>><br>><br>>On interface: DISABLES STP on the port: very
dangerous!<br>><br>>spanning-tree bpdufilter
enable<br>><br>><br>>Global is recommended, per interface is
dangerous.<br>><br>><br>><br>>HTH,<br>><br>>Bob
Sinclair<br>>CCIE #10427, CCSI 30427,
CISSP<br>>www.netmasterclass.net<br>><br>> ----- Original Message
-----<br>> From: Matthew Seppeler<br>> To:
ccielab@groupstudy.com<br>> Sent: Thursday, October 13, 2005 8:09
PM<br>> Subject: Difference between bpduguard &
bpdufilter<br>><br>><br>> Can someone explain the differences
between bpduguard & bpdufilter and<br>> under which circumstances
they would it best be used. The Doc CD does<br>> not make a clear
distinction between the two.<br>><br>> Matt Seppeler<br>><br>>
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