Best Practices to secure Mikrotik routers.
This is a quick and simple post on how to get the most efficient and secure operation out of your Mikrotik router. If you follow these six principles, you will be on your way to a secure deployment.
Monitor ergonomics for the Information Technology (aka network geek) worker.
Recently, I discussed with my Friend Mike on TV and monitor ergonomics. It had been a while since I looked into this. That is the perfect blog topic as well. The following is what I have found in my research. …
Alternatives to Microsoft Visio for us Apple Arm folks
Recently, I upgraded my trust MacBook to an M2 chip and can no longer run Visio. I am not a fan of the cloud version for two reasons. First, it seems clunky. Second, you have to pay for icons. I …
Why is BGP so important to the Capital I Internet?
At the core of this interconnected web of networks is the Border Gateway Protocol (BGP), a fundamental routing protocol that plays a pivotal role in directing internet traffic. In this post, I will explore the significance of BGP and why …
What is TCAM memory in a router? and is it still needed?
Many higher-end routers have a specialized type of memory known as TCAM (Ternary Content Addressable Memory). In this post, I will explain the intricacies of TCAM memory in routers, exploring what it is, how it works, and its critical role …
What is BGP next-hop-self and why you should care?
In this blog post, we’ll demystify the concept of next-hop-self in BGP, why it’s crucial, and how it affects routing decisions. What Is Next-Hop-Self in BGP? In BGP, the “next hop” is the IP address used to reach a particular …
The Little Packet that could. A journey of a network packet through the Internet.
In the vast and interconnected landscape of the digital world, data packets are the unsung heroes that power our online experiences. These small, seemingly unremarkable data units are like the “Little Engine That Could,” tirelessly chugging along to ensure our …
Free Space Optics (FSO) a primer
Free Space Optics (FSO), also known as optical wireless communication, is a wireless communication technology that uses light to transmit data through the air. FSO technology leverages lasers or light-emitting diodes (LEDs) to transmit data between two points without needing …
What does a modern firewall do?
A firewall is a network security device or software that acts as a barrier between your internal network and the outside world, typically the Internet. Its primary function is to monitor and control incoming and outgoing network traffic based on …
Why is XGS-PON better than standard GPON?
In this blog post, I will compare XGS-PON (10 Gigabit Symmetrical Passive Optical Network) and GPON (Gigabit Passive Optical Network) to understand why XGS-PON is emerging as the superior choice for ultra-fast fiber internet. Many Wireless Internet Service Providers (WISPS) …