Packet Tracer labs
In an effort to continue helping CCNA candidates, I’ve taken to doing packet tracer labs on a live stream on YouTube. During the streams I will: Discuss my way through what I am configuring and… Read More »Packet Tracer labs
Practical TLS – Free SSL Training – Module 1
Recently, I published a full SSL training course which is a comprehensive, deep dive into SSL and TLS — the protocols which secure the Internet. I want people to see the quality of the content… Read More »Practical TLS – Free SSL Training – Module 1
Practical TLS – Course is Complete!
Hello all, I’ve finally wrapped up production on my new self-paced course: Practical TLS. This course is a deep dive into SSL and TLS, the protocols which secure the Internet. Simply put, this is the… Read More »Practical TLS – Course is Complete!
Supernetting, IP Aggregation, and IP Summarization
Supernetting is something like the inverse of Subnetting. With Subnetting, you take one Network and divide it into multiple sub-networks (subnets). With Supernetting, you are doing the opposite: you take multiple subnets and aggregating them… Read More »Supernetting, IP Aggregation, and IP Summarization
Upcoming Live Streams: IP Aggregation and SuperNetting – 5/13 & 5/15
Last week I did my first live stream! I discussed how to do VLSM problems using only a pen and paper. In the Subnetting Mastery video series, I showed you how to solve VLSM problems… Read More »Upcoming Live Streams: IP Aggregation and SuperNetting – 5/13 & 5/15
Networking Fundamentals: How data moves through the Internet
I started recording a new video series covering How Data moves through the Internet. The intent of this first set of videos is to serve as the first Module of a new course I’m considering… Read More »Networking Fundamentals: How data moves through the Internet
Local Broadcast vs Directed Broadcast
Two types of Broadcast IP addresses exist: the Local Broadcast IP address and the Directed Broadcast IP address. In the current networking world, they mostly serve the same function. But one of them contains an… Read More »Local Broadcast vs Directed Broadcast
Access Control Lists (ACLs)
Access Control Lists, or ACLs, are a tool that is used to define traffic on Cisco routers. By themselves, they merely identify a particular set of traffic. How you apply the ACL then determines what… Read More »Access Control Lists (ACLs)