How to subnet an IPv6 network – a 48 block example

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How to subnet an IPv6 network – a 48 block example

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An IPv6 subnetting example: You are issued a /48 block from your ISP. Subnet it so you have more than 500 networks. Red numbers are the original 48 bits of the network issued by your ISP. The red bits do not change in this example. Must borrow 9 more bits (29 > 500) to get … Continue reading How to subnet an IPv6 network – a 48 block example

Latest Blogs by Mark Jacob

How to Construct a Wildcard Mask to Match a Range of Subnets – Plus Download the Spreadsheet Tool

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How often have you been creating an ACL and you needed to match not ONE subnet, but a whole range of subnets? The same logic holds for creating a “network” statement in an IGP such as EIGRP or OSPF. You want a single statement to match all your desired subnets, but you don’t want your … Continue reading How to Construct a Wildcard Mask to Match a Range of Subnets – Plus Download the Spreadsheet Tool

The Easy Way to Convert Decimal Numbers to Binary Numbers and Back Again

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Converting from one number base to another.  Riveting stuff!  But if you want to have confidence in your skills as A+, Network+, or CCNA certified, you don’t want to overlook this seemingly small area of study.  It is quite important because humans like to look at decimal (base 10) numbers, whereas computers work with binary … Continue reading The Easy Way to Convert Decimal Numbers to Binary Numbers and Back Again

Cisco IOS – The Difference Between Login and Login Local

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Instructor Mark Jacob was presenting a Power Lecture in the studio on the Cisco IOS Login vs Login Local.   Transcription I wanted to address a question that I get fairly frequently when teaching Cisco CCNA classes. It’s regarding logging in to Cisco IOS devices. The question is, how is it that sometimes it says Login … Continue reading Cisco IOS – The Difference Between Login and Login Local

How to add TACACS+ to your Cisco logins

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In the interest of fairness, since I recently blogged about RADIUS authentication, I thought it would be a good idea to talk about TACACS+ as well. You will find that the configuration steps are quite similar, but the resulting functionality with TACACS+ exceeds the capabilities offered by RADIUS. The objective of this blog is not … Continue reading How to add TACACS+ to your Cisco logins

How to Add RADIUS to Your Cisco Logins

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As a follow-up to my previous blog on the topic of the aaa new-model command, I wanted to add another piece to the puzzle – that of RADIUS authentication. In the previous blog, I showed the result of adding to your configuration the aaa new-model command. In this blog, let’s explore one of the additional … Continue reading How to Add RADIUS to Your Cisco Logins

How to launch a Windows Command Prompt as SYSTEM In Windows 10

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In a previous blog I explored two ways to launch a command prompt in Windows as the System user. Since I jumped on the Windows 10 bandwagon, slept on the sidewalk to be the first one in my neighborhood to have it, I wondered if the methods mentioned in that blog would work in Windows … Continue reading How to launch a Windows Command Prompt as SYSTEM In Windows 10

Workshops / Webinars

Project Management (PMP) for Executives – Introduction

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Introduction Project Management (PMP) for Executives is a 9 part video training series developed by Steve Fullmer, PMP, MBA, MCT/CTT+, CDP.  Steven has a global reputation as a project manager, chief technology officer, and computer systems innovator. He has authored more than 100 articles and a dozen courses in the fields of project management, productivity, business … Continue reading Project Management (PMP) for Executives – Introduction

Project Management (PMP) Leadership Skills in the 21st Century … Do you Know Your History? – November 10, 2017

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The PMI Leadership triangle touts our need to develop our knowledge and application of leadership. Do you understand the leadership models of the 20th century? The 21st Century? Understanding your predecessors can assist to set your future course. On the matter of history, Mark Twain’s quote “History doesn’t repeat itself, but it does rhyme” is … Continue reading Project Management (PMP) Leadership Skills in the 21st Century … Do you Know Your History? – November 10, 2017

Principles of Decision Tree Design and Analysis in Project Management (PMP)

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In this Project Management Professional (PMP) training video, learn how about Decision Trees and how to solve them with Risk Analysis. Existentialism conveys themes like the importance of choice, contingencies, and extreme situations.  How do you choose when the decision is hard? (If the decision is easy, you just choose.) When the decision is hard, we … Continue reading Principles of Decision Tree Design and Analysis in Project Management (PMP)

Understand the Mind to Become a Better Project Manager – February 18, 2015

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Our minds all work alike, at least biologically. Yet we are a diverse species with different motivations, opinions, perspectives, and directions. Do you understand how and why the human mind works? What makes you a great project manager? In this recording of our PMP training webinar from February 18, 2015, Steve Fullmer covers some of … Continue reading Understand the Mind to Become a Better Project Manager – February 18, 2015

Windows 10 Security – What’s New and Improved? – December 3, 2015

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In this recording of our Windows 10 webinar from December 3, 2015 training,  security expert Mike Danseglio presents the enhanced security features of SmartScreen, Defender and BitLocker in Windows 10 and new features such as Biometric Identification, Microsoft Passport, Device Guard and more.

Windows 10 Managing, Deploying and Configuring – December 2, 2015

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In this recorded Windows 10 training webinar from December 2, 2015, Windows Server instructor Rick Trader presents the deployment and management of Windows 10 Enterprise and the new Provisioning capability in Windows 10. Learn how to manage Windows 10 deployments using System Center Configuration Manager, Mobile Device Management and Intune. Also included in his presentation … Continue reading Windows 10 Managing, Deploying and Configuring – December 2, 2015

Videos You May Like

A Simple Introduction to Cisco CML2

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Mark Jacob, Cisco Instructor, presents an introduction to Cisco Modeling Labs 2.0 or CML2.0, an upgrade to Cisco’s VIRL Personal Edition. Mark demonstrates Terminal Emulator access to console, as well as console access from within the CML2.0 product. Hello, I’m Mark Jacob, a Cisco Instructor and Network Instructor at Interface Technical Training. I’ve been using … Continue reading A Simple Introduction to Cisco CML2

Creating Dynamic DNS in Network Environments

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This content is from our CompTIA Network + Video Certification Training Course. Start training today! In this video, CompTIA Network + instructor Rick Trader teaches how to create Dynamic DNS zones in Network Environments. Video Transcription: Now that we’ve installed DNS, we’ve created our DNS zones, the next step is now, how do we produce those … Continue reading Creating Dynamic DNS in Network Environments

Cable Testers and How to Use them in Network Environments

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This content is from our CompTIA Network + Video Certification Training Course. Start training today! In this video, CompTIA Network + instructor Rick Trader demonstrates how to use cable testers in network environments. Let’s look at some tools that we can use to test our different cables in our environment. Cable Testers Properly Wired Connectivity … Continue reading Cable Testers and How to Use them in Network Environments