From: Todd, Douglas M. (DTODD@PARTNERS.ORG)
Date: Mon May 05 2008 - 11:58:33 ART
Well - global bpdufilter enables the feature for every interface. (the affect
on trunks is null)
Under the interface is just for that interface and does not affect any other
interfaces.
You can also enable it globally, and disable it per interface.
OR
Disable it globally and enable it per interface.
Just keep in mind that if you enable it globally and you have a bridge device,
you will disable the port. BPDUs will be seen on the interface. This can cause
you some pain.
Portfast does not have an affect on the bpdufilter, just reduces the
spanning-tree states and make the port go to forwarding faster and no tcn. Thus
the dhcp client will not have issues because of the port in a non forwarding
state while the client is doing the dhcp discover/request.
________________________________
From: nobody@groupstudy.com on behalf of John
Sent: Mon 5/5/2008 10:56 AM
To: ccielab@groupstudy.com
Subject: bpdufilter
Is there any difference between enabling bpdufilter on the interface and
enabling it for the whole switch? I ask because I have a solution that has
the whole switch having bpdufilter enabled. although I was tasked with
enabling it for one interface. This is in conjuction with portfast on that
interface if that makes a difference.
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