[cisco-ttl] bpdu guard uygulaması - öneriler?

From: enis_karaaslan <enis.karaarslan_at_....>
Date: Thu Nov 10 2005 - 09:27:39 EET

Spanning-tree'de, spanning-tree portfast tanimli portlara switch takilmasi durumunda port kapatan "BPDU guard" var.

Bunun uygulanması hakkında yaşanan tecrübelerinizi, önerilerinizi iletebilir misiniz?

The STP PortFast BPDU guard enhancement allows network designers to enforce the STP domain borders and keep the active topology predictable. The devices behind the ports that have STP PortFast enabled are not able to influence the STP topology. At the reception of BPDUs, the BPDU guard operation disables the port that has PortFast configured. The BPDU guard transitions the port into errdisable state, and a message appears on the console. This message is an example:

2000 May 12 15:13:32 %SPANTREE-2-RX_PORTFAST:Received BPDU on PortFast enable port.
Disabling 2/1
2000 May 12 15:13:32 %PAGP-5-PORTFROMSTP:Port 2/1 left bridge port 2/1

http://www.cisco.com/warp/public/473/65.html

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Received on Sun Nov 13 15:27:53 2005

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