Re: BPDU Guard

From: Joe Pinkus (jpinkus@xxxxxxxxx)
Date: Fri Sep 15 2000 - 17:06:52 GMT-3

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Muthu wrote:

> Hi all,
> I have some questions regarding BPDU /BPDU Guard
>
> Q1.
> Does Configuring portfast prevent sending BPDU at that port.
> no, portfast puts the port into the forwarding stage of the STP alogrithm
> upon connectivity. A BPDU will be sent to this port if the connection to
> this port introduces a loop.

> Q2.
> Can I disable spantree on a particular port
> no, you can disable spanning tree on a per vlan basis only.

>
> Q3.
> Will BPDU Gurad will disable BPDU packet at a particular port.
> no, with BPDU guard enabled, the port upon detecting a BPDU will be shut
> down

>
> Q4. Which is the best way to prevent BPDU on a particular port.

BPDU's will be seen on ports that have connections to other layer 2
devices. If a BPDU is seen at any other port than you have a loop.

>
> Any help is appreciated
>
> Thanks
> Muthu
>

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