The Fundamentals of IP, ICMP, UDP, & TCP

ccna r/s network plus May 03, 2016

In this video we’re covering the fundamental concepts surrounding the IP, ICMP, UDP, and TCP networking protocols. Having a solid understanding of these protocols is critical to just about everything else we do in networking. So, I thought it would make a great review for you.

Enjoy the video!


Kevin Wallace, CCIEx2 (R/S and Collaboration) #7945, CCSI 20061


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How to Calculate an EUI-64 Address

ccna r/s network plus Feb 09, 2016

An IPv6 address is 128 bits in length, and like an IPv4 address, it’s divided into prefix bits (representing the network segment) and host bits (uniquely identifying a host on that network segment). A common approach is to use 64 bits to represent the network segment and 64 bits to represent the host on that network segment.

While you could manually configure the host bits for a router interface, a more efficient approach might be to automatically calculate those host bits using a 64-bit Extended Unique Identifier, known as EUI-64. For example, let’s say you have a router interface on the IPv6 network of 2000:1::/64. You could (in interface configuration mode of your Cisco IOS router) enter the command:

ipv6 address 2000:1::/64 eui-64

This command tells the interface to use 2000:1:: as the network portion of the IPv6 address and to automatically calculate the 64-bit host portion of the IPv6 address.

EUI-64 uses an interface’s MAC address as the basis of...

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Cisco Learning Labs – Review

ccna r/s ccnp r/s Jan 12, 2016

How do you get hands-on experience when you’re preparing for your CCNA R/S or CCNP R/S certifications? One option is using the Cisco Learning Labs. You can check out my review here.

Links to Purchase Cisco Learning Labs:






Kevin Wallace, CCIEx2 (Collab. & R/S) #7945

If you enjoyed this video, you might also want to subscribe to my podcast:



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Introduction to QoS - 19 Minutes of QoS Goodness

This video identifies the need for Quality of Service (QoS) and gets you acquainted with several QoS tools.

This video is a sample from my new CompTIA Network+ (N10-006) Complete Video Course, and it’s available for purchase HERE.

Also, be sure to check out my other Complete Video Courses:

CCNA Complete Video Course

CCNP R/S 2.0 Complete Video Course Library

ROUTE (300-101) Complete Video Course

SWITCH (300-115) Complete Video Course

TSHOOT (300-135) Complete Video Course

Enjoy your studies!

Kevin Wallace, CCIEx2 (R/S and Collaboration) #7945, CCSI 20061

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