Month: January 2015

How can router decide so fast?

Cisco created all sorts of different magic inside their boxes that optimize forwarding processing of packets.

CEFMain router function is fairly self-explanatory. Router performs IP forwarding more often called IP routing. IP routing is process of deciding where to send the packet after it was received.




IP Routing explained in detail

Logic behind IP forwarding is listed in steps here with the assumption it will be an IPv4 packet that was received. This is process switching explained in 11 steps:

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I became CCIE# 46173

This is the story on how I became CCIE# 46173

To be honest, when I look back, I do not really know the main reason behind going through all this trouble, but I can tell you the story about how I did it. It’s mostly a thriller, and some drama towards the end. I will give you an overview of the whole process including the materials used, videos watched, books read and struggles that I went through.

I think that is the right thing to do. This article is for all of you out there who are still trying to study for this exam and need some suggestions. One of the most important things for me was to gather others candidate experience and suggestions in making a good study plan and get the info about the books and stuff. This is also a perfect occasion to brag about passing the damn thing and write a bit about myself. On technology blog, this is a rare opportunity when is alright to write a self reflection.

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