Random wireless gear photo
From my camera roll. A random wireless equipment photo Cambium networks. Ubiquiti networks
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BGP Filtering Best practices for fun and security
Border Gateway Protocol (BGP) filtering is critical for securing and optimizing internet routing. Improper BGP configuration can lead to serious issues like route leaks, hijacks, or suboptimal routing. Here are the most effective best practices for BGP filtering: 1. Prefix Filtering Objective: Ensure only authorized prefixes are advertised or accepted. 2. AS-PATH Filtering Objective: Prevent … Read more
Latency, Throughput, and bandwidth
The folks over at DNSSTUFF have a great article on Latency, Throughput, and bandwidth. I have written about latency and such before. They have this great graphic that puts it into perspective.
Mikrotik RouterOS v7.20Beta4 is out
Lots of changes. https://download.mikrotik.com/routeros/7.20beta4/CHANGELOG . here are some important features to meWhat’s new in 7.20beta4 (2025-Jun-13 11:38):*) bgp – fixed origin cleanup for mpls-vpn (introduced in v7.20beta2);*) bgp – fixed warning when instance is not active (introduced in v7.20beta2);*) bgp – fixed withdraw when input.accept-nlri is non-existent;*) bgp – migrate correctly router-id and ASN to … Read more
The Hidden Dangers of Geographically Overextending an IX Fabric
But in an age where everything is “distributed,” some IX operators are stretching their fabrics far beyond the cities they were born in. While this might seem like growth, it can introduce serious risks to network performance, resilience, and economics.
Enterprise Guide to Selecting a Colocation Data Center
This guide outlines the critical factors enterprises should consider when selecting a colocation partner.
Understanding Multicast Routing: A Smarter Way to Deliver Data
In modern networking, efficiency is everything. Whether you’re streaming a live event, pushing updates across a distributed system, or delivering IPTV, how data moves matters. That’s where multicast routing shines.
Data Center Go Bag Pass1
So recently, I got tired of lugging TJ Maxx shopping bags full of cables and optics to the data center. It is wildly inefficient and too big. I tend to just throw things in it because it has the room. This can be a double-edged sword when it comes to hauling things around. After a … Read more
More Calix Certifications Achieved
#calix #certifications
Packets Down Range #36: BlueBird, Cisco, HOUIX
Summer is finally here in Indiana. The leaves are green, the birds are chirping, and the Internet is humming along. Let’s get right into PDR #36. Interconnection & Data Center News•KC-IX/HOUIX expands into Fibertown. •Rich Miller shares his top 5 data center podcasts. ISP News•Emergent and Microsoft connect to deliver IoT. •Comcast unveils Gateway for … Read more
Patreons: MikroTik v7 BGP Troubleshooting Commands
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 at $1 or more Unlock with … Read more