An ultimate ruggedized Branch Office Box

I came across this post on Riverbed's blog. What a ruggedized box!

Advices for college students preparing CCNA Exam

A college student Email asked me how to prepare CCNA Exam. I gave him my advices, and I also would like to share them with you all!

Simple BGP Multipath Test in Packet Tracer 5.3

This is another simple BGP test file in Packet Tracer 5.3. We can see selection of the best route by AS_PATH.

My VLANs are all gone?! "VTP Chaos" Packet Tracer Demo

This file was inspired by the example presented in APJ Instructor Forum on July 15, 2010.

Possible questions about IPv6 for home users

For Internet home users, you need to understand more about IPv6.

How to look up the "default passwords" on the web?

Youtube Video: "Learn the Default Password for Every Network Router!"

IPv6 address types reference sheet, from ICANN blog

ICANN released a free "IPv6 Address Types" reference sheet.