From: Carlos G Mendioroz (tron@xxxxxxxxxxx)
Date: Tue Jun 11 2002 - 20:51:31 GMT-3
Just a side note on using portfast...
If you have portfast enabled on a port, and the port receives a BPDU, it
will revert to standard STP BLOCK-LISTEN-LEARN-FORWARD timers.
There is though a feature called "Spanning Tree Portfast BPDU Guard
Enhancement"
with which, if enabled via "set spantree portfast bpdu-guard enable",
the port
will go to an error state on reception of BPDUs.
See http://www.cisco.com/warp/public/473/65.html for details.
"white, mike d (BMC Eng)" wrote:
>
> Never heard of regular nic running stp. That doesn't mean much though. Are
> you sure that the tcn are being sent upstream by the switch because of link
> changes on this port? If the switch supports it and it is turned on,
> portfast will stop this.
>
> -----Original Message-----
> From: Wright, Jeremy [mailto:JA_WRIGHT@admworld.com]
> Sent: Monday, June 10, 2002 5:20 PM
> To: 'ccielab@groupstudy.com'
> Subject: TCN BPDU's
>
> is anyone familiar with a windows 2000 client generating bpdu's? i am
> getting topology changes and i tracked it down to this device.
>
>
>
>
> ************************
> Jeremy Wright
> Network Analyst
> Archer Daniels Midland
> ja_wright@admworld.com
> (217)451-4063
>
> ************************
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