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) …
What is a LAG port in the switch network world?
In this blog post, we will delve into what a Network Switch LAG is and how it can significantly enhance the performance and reliability of your network. Unpacking the Concept: What is a Network Switch LAG? Link Aggregation, or Network …
How a Small form-factor pluggable SFP module works.
1. Form Factor: 2. Compatibility: 3. Data Transmission: 4. Hot Swappability: 5. Communication with Host Device: 6. Encoding and Decoding: 7. Optical or Electrical Connectivity: 8. Data Rate and Distance:
Top five WISP Amazon Finds
If you are a Wireless Internet Service provider or even a fiber installer you are always needing that one thing. I have put together this list for installers and field techs to help. These are my top fixe items you …
Wireless mesh systems vs dedicated access points (APs)
When expanding or upgrading your network, you will likely come across two popular options: wireless mesh systems and dedicated access points. Each has advantages and limitations, making choosing between them a crucial decision. In this blog post, I will explore …