Understanding Switch Trunk Ports: Cisco vs. Dell and Other Vendors
In modern networking, switch trunk ports play a vital role in ensuring smooth communication across VLANs (Virtual Local Area Networks). While the concept of a trunk port is consistent across networking vendors, the implementation details can vary. In this blog …
Understanding the Types of Power in a Data Center
A data center is the beating heart of modern businesses, housing critical IT infrastructure that powers applications, processes, and data. Behind this infrastructure lies a robust power system designed to ensure uninterrupted operation. Power systems in a data center are …
What is the Global BGP Routing Table?
The Global BGP Routing Table is a comprehensive database that contains all the IP address prefixes (routes), which are advertised by ASNs, and the associated paths to reach them across the internet.
Securing MikroTik Routers with SSH Keys
This blog post walks you through the steps to configure SSH key-based authentication on MikroTik routers with practical examples.
A Beginner’s Guide to Using MikroTik Torch for Network Traffic Analysis
MikroTik Torch is one of the most powerful and versatile tools included in MikroTik’s RouterOS for real-time traffic analysis. Whether you’re troubleshooting network issues, monitoring bandwidth usage, or identifying unusual traffic, Torch can help you gain deep insights into your …
Setting Up a BGP Peer with Mikrotik RouterOS Version 7
Border Gateway Protocol (BGP) is an essential protocol for internet routing, enabling autonomous systems (AS) to communicate and exchange routing information. Mikrotik RouterOS Version 7 introduced significant enhancements to its BGP implementation, making it more powerful and versatile. This guide …
Tuning a DWDM optic. What does it mean?
In my ongoing series about DWDM, today were are talking about tuning. Tuning a DWDM (Dense Wavelength Division Multiplexing) optic refers to configuring or adjusting the specific wavelength the optic module transmits or receives within the DWDM spectrum. This tuning …
Some networking jokes
Why did the router break up with the modem?It felt like they just weren’t on the same wavelength anymore! Why do network engineers always carry a pen?Because they can’t rely on their LAN to write things down! Why did the …
A router juggling packets
Here’s a playful depiction of a router juggling packets!
Configuring BGP Filters on MikroTik RouterOS v7: Part1
BGP (Border Gateway Protocol) is essential for dynamic routing in modern networks. MikroTik’s RouterOS version 7 introduces significant updates to BGP functionality, making it more efficient and flexible. This guide walks you through configuring BGP filters on MikroTik RouterOS v7 …
Configuring WireGuard on a MikroTik Router
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 …
Atheral on the Unlicensed Podcast
In this episode of Unlicensed Podcast, we’re gonna take a deeper dive into VoIP solutions from Atheral LLC. Our guests are Daniel White and Veronica Perrin, who will tell their story of growing their business, what struggles they face and …