Packets Down Range #29:Google,Blu Broadband, L4S
Christmas is rapidly approaching. I hope this edition finds you well and as stress-free as you can be for the holidays. In the networking world, the time between Thanksgiving and New Year’s is fairly laid back. Data Centers scale down …
Categories to tags
Over the next several weeks, I will convert some categories to Tags. I am doing this to streamline finding relevant content on this blog as well as my ability to quickly post items.
Celebrating a Merry ISP Network Christmas: Spreading Connectivity Cheer!
‘Tis the season to be jolly, and amidst the joyous festivities, let’s take a moment to celebrate the unsung heroes of our connected world—the ISPs (Internet Service Providers) who work tirelessly behind the scenes to keep our digital sleighs flying …
Networking Basics: What is a subnet mask?
In simple terms, a subnet mask is a 32-bit numeric address that delineates the network portion of an IP address from the host portion. It works in conjunction with IP addresses to divide a large network into smaller, more manageable …
Understanding BGP Looking Glass Servers
Amidst this complex network ecosystem, BGP Looking Glass servers stand as invaluable tools offering transparency and insight into the world of routing. They are used to troubleshoot and visualize how networks view routes. BGP Looking Glass servers are essentially web-based …
Alta Labs Poe Switch first look on j2Sw.com
My test switch form Alta labs has arrived. More posts coming soon. I am so excited I had to snap quick photo of it
Keeping It Cool: Exploring Innovative Data Center Cooling Methods
Managing the heat generated by servers and equipment is crucial for ensuring these centers operate at peak efficiency while maintaining reliability. Below are four methods used to cool. For many of you, this is old news. 1. Traditional Air Cooling …
A New website visits and page views record for j2sw.com
Thank you to all the folks who pay attention to my content. It’s numbers like this that motivate me to do bigger and better. I only ask you to consider being a Patreon supporter for $1 a month. It’s not …
Exploring Multicast and PIM: Unlocking Efficient Data Distribution in Networks
Multicast offers a solution for simultaneously distributing data to multiple recipients. One of the key protocols enabling multicast routing is Protocol protocol-independent multicast (PIM). In this blog post, we’ll delve into the world of multicast, understand its significance, and unravel …
Understanding Dense Wavelength Division Multiplexing (DWDM)
Understanding DWDM Dense Wavelength Division Multiplexing (DWDM) is a piece of modern networking technology revolutionizing how data is transmitted over optical fibers. Its ability to maximize fiber capacity, boost data transfer rates, and facilitate long-distance communication has become a fundamental …
Mastering Cable Management in Data Centers: The Unsung Hero of Seamless Operations
Importance of Cable Management: Best Practices in Cable Management: Challenges and Solutions: Effective cable management isn’t merely about aesthetics; it’s a crucial element in ensuring data center operations’ reliability, efficiency, and longevity. As the digital landscape evolves, organized cabling becomes …
Mikrotik Router OS 6.49.11 has been released
What’s new in 6.49.11 (2023-Dec-08 16:37): *) console – display “End-User License Agreement” prompt after configuration reset;*) defconf – use “WISP Bridge” default configuration mode for RBGrooveGA-52HPacn device;*) poe-out – improved “auto-on” mode for devices with single PoE-out port;*) pppoe-server …