Portfast /Filter/Guard

3/9/2014

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I'm counting on this blog post to confirm my understanding because it could be quite misleading here.

BPDU Filter and BPDU Guard
By Marko Milivojevic

Below is my blog study self notes after reading this blog (so read the blog and ignore what's written below)


Portfast (global) : enable port fast on all access ports conditionally and if a BPDU is received on one of those ports it transit to non port fast mode

Portfast(interfcae) : enable port fast on all access ports conditionally

BPDUfilter & BPDUGuard (global) : Must be accompanied by portfast  - note for port filter if BPDU is received on interface it lose its portfast status and consequently lose its BPDUfilter feature

BPDUfilter (interface) : unconditionally prevent send/receive of BPDU on interface


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    The posts in this blog are not a technical reference it's just my humble way of understanding topics in my CCIE pursuit , they could be right and could be wrong and most importantly they're debatable.
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    During the past few years I've worked on becoming a networks expert , with more than 3 years of practical experience within Orange Business Services , i started to hold grip of important technical aspects to the complex network design specially with Cisco networks. 

    I'm currently pursuing my first CCIE 

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