Network Operations

Internet Service provider topics, Network operations, and other topics. Some topics include Mikrotik, Cisco, Arista and other configurations.

How Route Servers Work on an Internet Exchange Point (IXP)

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In the world of Internet connectivity, Internet Exchange Points (IXPs) play a crucial role in facilitating efficient traffic exchange between networks. Within this ecosystem, route servers act as intermediaries to streamline the process of establishing connections, known as peering, between multiple networks. Here’s an overview of how route servers work and why they are vital … Read more

Understanding the 802.11ax Protocol: The Future of Wireless Connectivity

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Wireless networking technology has evolved rapidly over the years, with each new standard improving speed, capacity, and efficiency. One of the most groundbreaking advancements in this realm is 802.11ax, also known as Wi-Fi 6. As the latest iteration in the IEEE 802.11 wireless networking standard, Wi-Fi 6 is poised to redefine how we connect in … Read more

What is a Console Cable? A Guide to Understanding its Purpose and Use

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If you’ve ever worked in IT, network engineering, or even set up your own home lab, you might have come across the term “console cable.” Although it may seem like just another connector, the console cable is actually a critical tool in networking and system administration. So, what exactly is a console cable, and why … Read more

Documents: Rooftop Lease Template. Available to Patreon subscribers

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This content is for Patreon subscribers of the j2 blog. Please consider becoming a Patreon subscriber for as little as $1 a month. This helps to provide higher quality content, more podcasts, and other goodies on this blog.To view this content, you must be a member of Justin’s Patreon Unlock with PatreonAlready a qualifying Patreon … Read more

Document: Peering Agreement Template. Available to Patreon subscribers

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This content is for Patreon subscribers of the j2 blog. Please consider becoming a Patreon subscriber for as little as $1 a month. This helps to provide higher quality content, more podcasts, and other goodies on this blog.To view this content, you must be a member of Justin’s Patreon Unlock with PatreonAlready a qualifying Patreon … Read more

Why Clean Fiber Optic Cable Ends?

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Why Clean Fiber Optic Cable Ends? Fiber optic networks are designed for high-performance data transmission with minimal interference or loss. However, contaminants on the cable ends can significantly degrade the quality of these transmissions. Below are some key reasons why cleaning fiber optic connectors is essential: 1. Maintaining Signal Integrity At the core of fiber … Read more

Understanding the Different Types of OSPF Areas: A Guide

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Interconnection

Open Shortest Path First (OSPF) is one of the most widely used link-state routing protocols in large enterprise networks, known for its scalability and efficiency in handling complex topologies. One of the key features that makes OSPF flexible is its support for different types of areas. OSPF areas are used to logically group routers, reducing … Read more

Understanding the two types of fiber optic splicing

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Fiber splicing is joining two optical fibers to create a continuous, low-loss, and highly efficient optical path. This connection is essential to maintaining the integrity and reliability of optical communication networks, whether they are used for internet connectivity, telephony, or data transmission. Fiber splicing can be performed in two primary ways: fusion and mechanical splicing. … Read more

APNIC:IPv6, DNS, and truncation in UDP

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https://blog.apnic.net/2024/03/14/ipv6-dns-and-truncation-in-udp/ In February I looked at the behaviour of the DNS when processing responses in UDP, which set the truncated flag in the DNS response. In particular, I was looking for the incidence of DNS resolvers that used the answer section in truncated responses (despite the admonition in DNS standards not to do so) and the … Read more

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