THE BLOG

Ethical Hacking: Bash Scripting security Jul 02, 2021

In this week's video, we look at creating a basic bash script in Kali Linux, a topic from a recently completed Ethical Hacking for Beginners course.

Enjoy the training!

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ENCOR 350-401 Topic 2.3.a - LISP ccnp encor Jun 24, 2021

 

In our latest YouTube video, we cover the LISP (Locator/ID Separation Protocol) feature, which is a topic on the CCNP Enterprise ENCOR (350-401) Exam Blueprint.

 

In this video,...

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ENARSI (300-410) Topic: BGP Summarization enarsi Jun 18, 2021

 

A fairly in-depth knowledge of BGP is required for ENARSI, so this video takes a look at how we can summarize (or aggregate) our advertised BGP networks. Summarization allow us to cut down...

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My Home Network Tour general info kw train Jun 09, 2021

 

In this video, you’ll get a tour of Kevin’s home network. The goal is to spark some ideas in you for your home network (or small business network). Kevin discusses 4 key design...

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ENCOR (350-401) Topic: IP SLA ccnp encor Jun 04, 2021

 

In keeping up with this month’s theme, CCNP Enterprise, this week’s training video looks at IP SLA, a topic found in the ENCOR (350-401) exam blueprint. IP SLA is an active...

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CLCOR (350-801) Topic 1.1g: Understanding Collaboration Security ccnp collaboration May 28, 2021

If you’ve been considering a focus in CCNP Collaboration, our latest YouTube video is a nice sample from our CLCOR (350-801) Video Training Series.

 

In this video, we consider how...

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ENARSI (300-410) Topic: EIGRP Named Mode enarsi May 21, 2021

In this video, we look at a topic found at the CCNP level, primarily in the ENARSI (300-410) exam: EIGRP named mode. If we’re going to be able to effectively troubleshoot EIGRP, we need to...

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Networking Basics - How RIP Works network plus May 12, 2021

 

In this week’s video, you’ll learn about RIP, the Routing Information Protocol, a topic on CompTIA’s Network+ (N10-007) exam. Specifically, you’ll see three...

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CCNA (200-301) Topic: TFTP Configuration and Backups ccna May 07, 2021

Just like any important device on the network, we need to backup our switches and routers periodically as well. If we have a catastrophic failure with a device, we don’t want to cost...

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Spanning Tree Protocol DEEP DIVE ccna ccnp encor Apr 29, 2021

This week's training video is a replay from yesterday's live STP Deep Dive webinar. In this training, we cover every Spanning Tree Protocol (STP) topic on the CCNA (200-301)...

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ENARSI (300-410) Topic 1.11 - BGP Multihop ccnp enarsi Apr 23, 2021

 

This week’s training video takes a look at a section on the ENARSI (300-410) exam blueprint about troubleshooting BGP relationships.

 

Specifically, we cover the BGP multihop...

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ENCOR (350-401) Topic 6.6: Embedded Event Manager (EEM) encor Apr 14, 2021

Cisco’s Embedded Event Manager (EEM), a topic on the CCNP Enterprise ENCOR (350-401) exam, is a feature that can watch a router for a specific event and, if that event occurs, can trigger an...

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CCIE Enterprise Infrastructure - Host VM ccie Apr 09, 2021

You may have heard that Cisco has recently provided a new resource for CCIE studies: The CCIE Enterprise Infrastructure, Host VM. This custom Linux distribution allows us to experience the actual...

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Cisco Live 2021 Recap cisco live kw train Apr 02, 2021

This year’s Cisco Live was virtual, given the current circumstances our world is in with the pandemic. Even though we couldn’t all travel and meet in person, Charles and I still enjoyed...

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Networking Basics - MAC Addresses Apr 01, 2021

In this video, you’ll learn about Media Access Control (MAC) addresses. You’ll see the pieces and parts that make up the structure of a MAC address, in addition to a couple of examples...

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Influencing BGP Path Selection ccie ccnp Mar 26, 2021

 
Border Gateway Protocol (BGP) is an item on the ENCOR, ENARSI and CCIE exam blueprints, making it a vital topic to our networking studies.
 
In our latest training video, Charles...
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Networking Basics - OSPF Theory ccie r/s ccna r/s ccnp r/s Mar 18, 2021

 

In my latest training video, I cover the theory of Open Shortest Path First (OSPF) routing protocol.

 

OSPF is the most popular interior gateway protocol used today. In this...

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Be Special cybersecurity Mar 17, 2021

Whenever someone asks me what direction they should focus their IT career, particularly in regard to cybersecurity, my answer is always the same: “It depends.” It’s usually not a...

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VRF-lite Configuration ccnp Mar 12, 2021

 

In this week's training video, Charles takes a look at the configuration of VRF-lite. VRF stands for virtual routing and forwarding, or sometimes we see that called VPN routing and...

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The Three Biggest Mistakes I've Made In My Career career success Mar 02, 2021

We’ve all heard the saying, “Hindsight is 20/20.” However, a lack of clairvoyance about the future shouldn’t prevent us from boldly taking our next career step.

Steve Jobs...

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Meraki Dashboard API and Postman devnet Feb 26, 2021

 

In this week's training video, Charles takes a look at how we interact with Cisco Meraki by way of the API, a topic straight out of the DevNet exam track. Charles also shares free resources...

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CCNA (200-301) Topic 6.6: Puppet, Chef, and Ansible ccna network programmability Feb 19, 2021

 

This video is a sample from our CCNA (200-301) Video Training Series, and it gives us a high-level overview of three configuration management utilities: Puppet, Chef, and Ansible. These are...

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SCOR (350-701) Topic: Indications of Compromise security Feb 12, 2021

 

This week's training video is a sample from our recently released SCOR (350-701) Video Training Series, which you can find over on our website.

Specifically, this week's...

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CLCOR (350-801) Topic 2.1a: SIP Call Setup and Teardown clcor Feb 05, 2021

This video is a sample from our upcoming CLCOR (350-801) Video Training Series, which is being released February 2021.

In this training video, we'll consider SIP, which is short for Session...

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Cisco Stealthwatch cybersecurity security Jan 29, 2021

 

Charles has been wrapping up production on the SCOR (350-701) Video Training Series this week, so we thought it’d be fitting to go over one of the topics on the blueprint with you!

In...

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Cisco IOS: Time-Based Access Control Lists (ACLs) Jan 20, 2021

In this week's video, we cover Time-Based Access Control Lists (Time-Based ACLs). With Time-Based ACLs, you can restrict access between specific devices based on time-of-day or day of the week....

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Cisco Email Security - Data Loss Prevention (DLP) security Jan 15, 2021

In this week's video, Charles looks at data loss prevention (DLP) policies within the Cisco Email Security Appliance (ESA), a security solution outlined in the SCOR (350-701) exam blueprint.

...
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What I'm Thankful for This Year kw train Nov 26, 2020

As we approach Thanksgiving Day here in the states, I've been reflecting on what I'm thankful for this year. Even though 2020 has been a very unique year, I'm thankful for lots of good things that...

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OSPF Advanced Concepts - Part 4 ccie r/s ccna r/s ccnp r/s Sep 24, 2019

In the previous part of our OSPF series, we examined options for manually filtering routes. As we wrap up our look at advanced OSPF topics, we'll discuss default routes, and compare OSPFv2...

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OSPF Advanced Concepts - Part 3 ccie r/s ccna r/s ccnp r/s Sep 10, 2019

In our previous blog post, we examined how OSPF can automatically filter routes through the use of special areas and LSA Types. But what about your options for manually filtering...

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OSPF Advanced Concepts - Part 2 ccie r/s ccna r/s ccnp r/s Aug 27, 2019

Last time, we began our look at advanced OSPF topics with the configuration of backbone and non-backbone areas. In this blog post, we'll look at the creation of more specific area types.

Stubby...

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OSPF Advanced Concepts - Part 1 ccie r/s ccna r/s ccnp r/s Aug 13, 2019

The time has arrived to tackle some of the more advanced (and interesting) features of the Open Shortest Path First routing protocol. We begin by examining the configuration and verification of the...

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OSPF Basic Concepts - Part 3 ccie r/s ccna r/s ccnp r/s Jul 30, 2019

Before we move on to more advanced topics, we'll wrap up this OSPF Basics series in Part 3. Here we'll examine LSA types, area types, and virtual links.

OSPF LSA Types

Link State Advertisements...

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OSPF Basic Concepts - Part 2 ccie r/s ccna r/s ccnp r/s Jul 23, 2019

In the previous blog post, we looked at a few fundamental OSPF concepts, including neighbor and adjacency formation. As we continue through the basics of OSPF, this post will examine...

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OSPF Basic Concepts - Part 1 ccie r/s ccna r/s ccnp r/s Jul 09, 2019

The OpenShortest Path First (OSPF) dynamic routing protocol is one of the most beloved inventions in all of networking, widely adopted as the Interior Gateway Protocol (IGP) of choice for many...

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Cisco's New DevNet Certifications network programmability Jun 12, 2019

One of the big announcements this week at Cisco Live was the launch of their new DevNet certification track. Cisco CEO Chuck Robbins reiterated the fact that knowledgeable engineers...

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New CCNP Certifications Rundown ccnp Jun 11, 2019

By now I'm sure you've heard of the sweeping changes Cisco is making to their certification tracks, which was announced at Cisco Live on Monday June 10, 2019. I covered the CCNA exam...

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A Detailed Breakdown of the New CCNA Exam ccna r/s Jun 10, 2019

On Monday June 10, 2019 Cisco announced an unprecedented revamp of their certification program. This post dives into one of the major updates, the new CCNA certification. (We'll have a future blog...

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MASSIVE Certification News about Cisco Live announcements ccie ccna ccnp Jun 10, 2019

Cisco just announced their certification program is getting a MAJOR update. Here’s what you need to know:

CCNA Updates

  • A new CCNA exam will be released on February 24, 2020.
  • This new CCNA...
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Fundamentals of Border Gateway Protocol (BGP) - Part 6 ccie r/s ccna r/s ccnp r/s Jun 04, 2019

This post is the 6th and final in a series of Border Gateway Protocol (BGP) posts. If you missed any of the first five parts, here are the links:

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Fundamentals of Border Gateway Protocol (BGP) - Part 5 ccie r/s ccna r/s ccnp r/s May 21, 2019

This post is the 5th in a series of Border Gateway Protocol (BGP) posts. If you missed any of the first four, here are the links:

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Fundamentals of Border Gateway Protocol (BGP) - Part 4 ccie r/s ccna r/s ccnp r/s May 07, 2019

This post is the 4th in a series of Border Gateway Protocol (BGP) posts. If you missed any of the first three, here are the links:

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Fundamentals of Border Gateway Protocol (BGP) - Part 3 ccie r/s ccna r/s ccnp r/s Apr 08, 2019

This post is the 3rd in a series of Border Gateway Protocol (BGP) posts. If you missed either of the first two, here are the links:

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Fundamentals of Border Gateway Protocol (BGP) - Part 2 ccie r/s ccna r/s ccnp r/s Mar 12, 2019

Part 1 of our blog series on Border Gateway Protocol (BGP) gave you an overview of  BGP and then delved into BGP message types and neighbor states. Now, in this post, you'll learn about one of...

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Fundamentals of Border Gateway Protocol (BGP) - Part 1 ccie r/s ccna r/s ccnp r/s Jan 29, 2019

One of the most intimidating topics for Cisco certification candidates in the Route/Switch track is Border Gateway Protocol (BGP). To help remove the FUD (Fear, Uncertainty, and Doubt) surrounding...

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Cisco ASA High Availability Implementation security Dec 18, 2018

As a redundancy measure, it’s possible to deploy multiple Cisco ASAs together in a failover configuration, also known as a High Availability Implementation. This requires that the ASAs have...

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Route Redistribution- Part 4 ccie r/s ccnp r/s Nov 29, 2018

This post is the fourth in a series of posts on route redistribution. If you haven't yet read the first three, here are the links:

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ZPF Concepts and Implementation security Nov 27, 2018

Cisco Zone-Based Policy Firewalls are a more modern implementation of the interface-based stateful inspection. This allows you to group interfaces into zones, which have similar functions or...

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"Getting Your Hands Dirty" with Cisco Packet Tracer Nov 19, 2018

In this video, you'll learn how to download (for FREE) Cisco Packet Tracer.

Then, you'll load a .PKT file (click HERE to download your .PKT topology file) into your copy of Cisco Packet Tracer and...

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VLAN Security Concepts security Nov 13, 2018

A Virtual Local Area Network (VLAN) is a logical grouping of devices on one or more LANS, configured to communicate as if they were on the same segment. In order to communicate with devices in...

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