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 …
The Day the Network Went Rogue: A Network Admin’s Day Off
Morning Mayhem: The day started innocently enough. The network admin, let’s call him Ned, declared a day off, believing the network to be in perfect harmony. Little did Ned know, the servers had other plans! Emails started pinging, alerts went …
Where is all this port udp port 443 traffic coming from? Understanding QUIC.
QUIC operates atop UDP, integrating TCP and TLS (Transport Layer Security) features to offer a streamlined, encrypted, and low-latency connection. Unlike TCP, QUIC doesn’t require a handshake process before data transfer begins. By combining encryption and connection setup, QUIC significantly …