The below is a compilation of the blost posts I made over time and that seemed to be helpful based on the feedback I received. I noticed a lot of blog visitors walking through our archives looking for the information. Hopefully, this compilation will help navigating our blog better. Feel free to post your feedback and suggestions!

IP Routing

Service Provider


Learning Techniques




Other Technologies

About Petr Lapukhov, 4xCCIE/CCDE:

Petr Lapukhov's career in IT begain in 1988 with a focus on computer programming, and progressed into networking with his first exposure to Novell NetWare in 1991. Initially involved with Kazan State University's campus network support and UNIX system administration, he went through the path of becoming a networking consultant, taking part in many network deployment projects. Petr currently has over 12 years of experience working in the Cisco networking field, and is the only person in the world to have obtained four CCIEs in under two years, passing each on his first attempt. Petr is an exceptional case in that he has been working with all of the technologies covered in his four CCIE tracks (R&S, Security, SP, and Voice) on a daily basis for many years. When not actively teaching classes, developing self-paced products, studying for the CCDE Practical & the CCIE Storage Lab Exam, and completing his PhD in Applied Mathematics.

Find all posts by Petr Lapukhov, 4xCCIE/CCDE | Visit Website

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8 Responses to “Blog Post Catalogue”

  1. Deepak says:

    Hi Petr,

    If possible, kindly do some posts on ATM fundamentals for SP candidates. I know ATM is more likely to be preconfigured in SP lab but I guess still each SP candidate needs to have good theoretical knowledge of ATM technology and it’s fundamentals. Because even to understand Advance Cell Mode MPLS configs, understanding ATM is necessary. But Problem is that it’s very hard to find book on ATM technology and configurations specific from Cisco point of view these days.

    If you can come up with single or few posts as series on ATM covering it from most basic fundamentals to advance level which every SP candidate need to know before diving deep into Cell Mode and other advance ATM based MPLS configs will be a gr8 help.

  2. Deepak says:

    BTW… Petr

    Congrats for passing CCDE Lab Exam :-)

    Would you mind sharing your strategy for CCDE Written and Lab preparation ? :-)

  3. ananth says:

    Thanks Petr

    This will be really helpful

  4. Ashraf Esmat 3xCCIE says:

    Great post, and congratulations on Passing CCDE, you deserve it and even more.

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