What are Border Gateway Protocol Attributes and examples?

Interconnection

What are Border Gateway Attributes, what are they, how do they work, and their significance in shaping internet routing. What Are BGP Attributes? In the context of BGP, attributes are pieces of information associated with each route in the BGP routing table. These attributes provide BGP routers with crucial details about network paths and help … Read more

How to prepare for the Cisco Certified Network Associate (CCNA) exam

tired black man lying on opened book and homework papers

Before diving into the study strategies, it’s essential to grasp the fundamentals of the CCNA exam: Now, let’s explore a comprehensive study approach for success in the CCNA exam: Gather Study MaterialsAcquire the necessary study materials, including official Cisco CCNA study guides, video courses, practice exams, and virtual labs. Ensure that the resources you choose … Read more

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. Monitor ergonomics refers to the principles and practices of optimizing the placement and usage of … Read more

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 in ensuring fast and accurate packet routing. Understanding TCAM Memory Ternary Content Addressable Memory (TCAM) … Read more

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 network or destination. The “next-hop” IP address is vital for making routing decisions and forwarding … Read more

The Little Packet that could. A journey of a network packet through the Internet.

Blue computer wires

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 emails, videos, and messages reach their intended destinations. In this blog post, we embark on … Read more

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 physical cables or fiber optics. Here’s how FSO works: 1. Light Source and Modulation: 2. … Read more

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 predefined security rules to protect your network from unauthorized access, malware, and other cyber threats. … Read more

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) are considering getting into fiber to the home (FTTH). Understanding GPON Gigabit Passive Optical Network … Read more