What is Per-VLAN Spanning Tree (PVST), and why do we need it? 🤔
I just dropped a new video on my YouTube channel and in this video, I answer this question in less than 5 minutes. I provide a high-level overview of the PVST. I then walk you through a real-world design scenario 🤓
Read MoreHave you ever wondered how network devices discover each other a given network? 🤔
I just dropped a new video on my YouTube channel, and in this video, I answer this question in roughly 5 minutes. I provide a high-level overview of ARP and do a whiteboard describing the process of device discovery 🤓
Read MoreHave you ever wondered how data is encapsulated & decapsulated in the OSI (Open Systems Interconnect) model? 🤔
In this video, I answer this question in about 6 minutes. I provide a high-level overview of the OSI model encapsulation & decapsulation process as the data flows from one layer to another. Finally, I explain the benefits of the OSI model 🤓
Read MoreDo you know the difference between Wi-Fi 5 & Wi-Fi 6? How about 802.11ac vs. 802.11ax? 🤔
If you find these standards confusing, have no fear. I just dropped a new video on my YouTube channel and in this video, I walk you through the evolution of Wi-Fi technology standards in about 7 minutes. By the time you are done watching this video, you'll have a firm grasp of various Wi-Fi Generations - all the way from Wi-Fi 1 to Wi-Fi 6 🤓
Read MoreDo you know the difference between an SVI and a router on a stick? 🤔
In this video, I answer this question in less than 5 minutes. I provide a high-level overview of the Inter-VLAN Routing. I then walk you through various real-world design scenarios 🤓
Read MoreWhat is 3-Tier Campus Network Design? 🤔
I just dropped a new video on my YouTube channel and in this video, I answer this question in less than 5 minutes. I provide a high-level overview of the infamous 3-Tier LAN Design. I then give you a breakdown of each layer, i.e., access layer, distribution layer & core layer 🤓
Read MoreAre traditional network engineers going to be out of a job due to SDN? Is automation going to replace network engineers? 🤔
If these questions keep you up at night. Then you have come to the right place. I just dropped a new video on my YouTube channel and in this video, I cover network automation in-depth, ranging from the basics of API to DevOps to configuration management tools such as Ansible, Chef and Puppet 🤓
Read MoreWhat is Spanning Tree Protocol (STP), and why do we need it? 🤔
I answer this question in less than 10 minutes in today's video. I provide a high-level overview of STP. As a bonus, I also cover issues with network redundancy at Layer 2, such as broadcast storm, CAM table instability and duplicate frames facilitating the need for STP 🤓
Read MoreDo you find Cisco's campus switching portfolio confusing? Do you wish there was an easier way to pick the best switch (or switches) for your business? 🤔
In today's video, I answer these questions in about 6 minutes. I give you a high-level overview of Cisco's campus switching hardware portfolio. So you get to make the best decision for your business 🤓
Read MoreAs part of the CCNA 200-301 certification course, I just dropped a new video on my YouTube channel. In this video, I provide an intro to network automation. I then do a deep dive into SDN, and finally, I wrap it up with a high-level overview of Cisco ACI (Application Centric Infrastructure) 🤓
I am super excited to announce that I am currently producing videos covering the entire CCNA 200-301 certification exam. I plan on officially launching this course in the next couple of months. Until then, I plan on sharing little nuggets of this course with you as I continue to produce content 😊
Read MoreSuppose you are a network engineer who just walked into a brand new customer environment with no network documentation or network diagrams. How do you even begin to map out the network topology? 🤔
In today's video, I answer this question in roughly 8 minutes. I give you a high-level overview of the Cisco Discovery Protocol (CDP) and then jump straight into the Command Line Interface (CLI) to show you the most important CDP commands 🤓
Read MoreAs part of the CCNA 200-301 certification course, I just dropped a new video on my YouTube channel. In this video, I do a deep dive into Security, covering various forms of security threats and security defense techniques 🤓
Read MoreWhat is an EtherChannel or Link Aggregation? Do you know the difference between PAgP vs. LACP? 🤔
In today's video, I answer these questions in about 6 minutes. I give you a high-level overview of EtherChannel. I then quickly discuss the difference between PAgP and LACP. By the time you are done watching this video, you'll have a good understanding of why we need an EtherChannel 🤓
Read MoreWhat is an API? Do you know the difference between Northbound APIs vs. Southbound APIs? How about East-West APIs? 🤔
If these questions keep you up at night. In today's video, I address these questions in under 4 minutes. I give you a high-level overview of APIs. I then quickly discuss Northbound APIs vs. Southbound APIs. As a bonus, I also talk about East-West APIs 🤓
This video is part of my popular Tech Nuggets series. The goal of tech nuggets is to cut to the chase & explain tech concepts in the form of small nuggets that you can consume right before walking into a customer meeting or a job interview 🧳
Got feedback? I look forward to it in the comments below 🚀
Read MoreAs part of the CCNA 200-301 certification course, I just dropped a new video on my YouTube channel. In this video, I do a deep dive into Cisco ACLs, covering Standard ACLs and Extended ACLs 🤓
Please note this is just a small nugget of the full-length video to be published with the course's official launch in few months 👀
Read MoreAre you new to Cisco CLI? Do you find Cisco CLI confusing or intimidating?
If you do, you are in luck. I just dropped a new video on my YouTube channel and in this video, I address these questions in under 9 minutes. I explain the Cisco IOS CLI (Command Line Interface) structure at a high level. As a bonus, I also explain how to connect to your Cisco router or switch either physically or virtually to gain access to CLI.. 😎
This video is part of my Tech Nuggets series. The goal of tech nuggets is to cut to the chase & explain tech concepts in the form of small nuggets that you can consume right before walking into a customer meeting or a job interview. 🤓
Read MoreDo you find Cisco's enterprise routing portfolio confusing? Do you wish there was an easier way to pick the best router (or routers) for your business?
If you do, you are in luck. In today's video, I answer these questions in 6 minutes. I provide a high-level overview of Cisco's routing hardware portfolio. So you get to make the best decision for your business.
This video is part of a new series I just launched called Tech Nuggets. The goal of tech nuggets is to cut to the chase & explain tech concepts in the form of small nuggets that you can consume right before walking into a customer meeting or a job interview.
Read MoreThis is video #11 in the CCNA 200-301 certification series, Section 4: Part 2. In this video, I do a deep dive into NAT & QoS 🤓
I am super excited to announce that I am currently producing videos covering the entire CCNA 200-301 certification exam. I plan on officially launching this course in the next couple of months. Until then, I plan on sharing little nuggets of this course with you as I continue to produce content 😊
Read MoreHave you ever wondered what a transport layer is and how it works?
If you did, you are in luck. In today's video, I answer this question in less than 7 minutes. I explain the difference between TCP & UDP at a high level, and I also talk about TCP & UDP ports.
This video is part of a new series I just launched called Tech Nuggets. The goal of tech nuggets is to cut to the chase & explain tech concepts in the form of small nuggets that you can consume right before walking into a customer meeting or a job interview.
Feel free to leave a comment below if you have any questions or suggestions for the kind of content you would like to see on this channel. And be sure to like and subscribe to see more videos like this one 🚀
Read MoreThis is video #10 in the CCNA 200-301 certification series, Section 4: Part 1. In this video, I do a deep dive into IP Services such as FHRP, DHCP & DNS. Talk about an acronym soup, huh 🤓
I am super excited to announce that I am currently producing videos covering the entire CCNA 200-301 certification exam. I plan on officially launching this course in the next couple of months. Until then, I plan on sharing little nuggets of this course with you as I continue to produce content 😊
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