
Last Update: Sep 04, 2024
Interested in learning more about Network Address Translation (NAT)? In this article, Sean Wilkins provides a tutorial on what NAT is all about.

Last Update: Sep 04, 2024
In this article, Petri’s Cisco pro Sean Wilkins takes a look at the Spanning Tree Protocol port states — what happens during each port state and why they are needed for STP operation.

Where is the CCNA 2012 update? That’s the question a lot of CCNA candidates have on their mind. Many are in a limbo state where they’re not preparing for their CCNA because they’re awaiting the new exam. If this is you, then this article will help you understand Cisco’s certification revision process and how to prepare for the CCNA in 2012.

Last Update: Nov 19, 2024
Learning the different aspects of networking can be a daunting task, but Cisco has developed a number of games to help. In this post, Sean Wilkins reviews the Cisco Aspire CCNA Edition, a game filled with tasks that encompass more than 80% of the material covered on the CCNA exam. This article covers how the game is structured and how you can use it to improve your networking skills.

Last Update: Sep 04, 2024
The depletion of IPv4 address space is upon us. 2012 is the year for current and aspiring network engineers to learn how to configure IPv6 routing protocols, specifically RIPng, EIGRP and OSPFv3. In this article, network engineer Sean Wilkins focuses on the basic configuration of RIPng for IPv6, helping you enter the world of IPv6 routing protocols.

Last Update: Sep 04, 2024
With the wide scale implementation of IPv6 coming closer, it is important for any network engineer to learn the IPv6 routing protocols. This article by Networking Consultant Sean Wilkins walks you through the basic configuration of EIGRP for IPv6.

Last Update: Sep 04, 2024
With the IPv6 Launch Day upon us, it is becoming more important for network engineers to become familiar with how to configure IPv6 routing protocols. This article by Networking Consultant Sean Wilkins focuses on the basic configuration of OSPFv3 for IPv6

Once you obtain a basic understanding of IPv6, the next logical step is to test out the different capabilities that exist within Cisco equipment and IOS. In this article, Cisco Professional Sean Wilkins explains the configuration of IPv6 addressing on a Cisco IOS device.

Last Update: Jun 05, 2025
Learning IPv6 addressing may look daunting, but once you get over the large hexadecimal numbers, it isn’t much different than using IPv4. In this post, Networking Consultant Sean Wilkins shows how IPv6 addresses and subnetting work the same as with IPv4 address when converted to binary.

Last Update: Sep 04, 2024
Since the IPv4 address space will soon be replaced, now is a great time to familiarize yourselves with IPv6. In this post, Sean Wilkins discusses the differences between the IPv6 header and the IPv4 header.

This article by Networking Consultant Sean Wilkins takes a look at some of the most common problems that are seen when redistributing to and from Cisco’s Enhanced Interior Gateway Routing Protocol (EIGRP).

Last Update: Sep 04, 2024
Are you looking to gain experience with the Cisco Unified Computing System (UCS) platform, but don’t have access to a UCS lab? No problem! Sean Wilkins shows you how to use UCS Platform Emulator (UCSPE), Cisco’s perfect low cost solution.