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
Cisco BGP Troubleshooting: Essential Commands Every Network Engineer Should Know
When BGP (Border Gateway Protocol) misbehaves, the ripple effect can be massive—routes disappear, prefixes flap, and connectivity grinds to a halt. Whether you’re managing a large enterprise edge or an ISP core, knowing how to quickly diagnose BGP issues on Cisco routers is critical. Here’s a hands-on guide to the most useful Cisco IOS BGP … Read more
Achieved new Calix Certificates
Through my job at Nexstream, I have been utilizing Calix University to further my education in the broadband space. I am happy to announce that I have achieved several certificates over the past month.
VRF article in an audio format
Recently, I did a VRF article. Like everyone else, I am seeing what all AI can do. As a result, I have been utilizing an AI tool to convert some of my articles to an audio format (Thanks, Cameron). The following is one such conversion of the above article. Keep in mind that this audio … Read more
Border Gateway Protocol (BGP): How the Internet’s Routing Protocol Works
Border Gateway Protocol (BGP) is a protocol that makes the Capital I Internet run. It is the fundamental system that Internet Service Providers (ISPs) and large networks use to exchange reachability information and ensure data finds its way across the complex web of networks making up the global Internet. This post will demystify how BGP … Read more
Top Hacking Books for cybersecurity professionals
Cybersecurity is among the fastest-growing fields today, offering exciting challenges, high demand, and strong earning potential. If you’re interested in protecting systems, networks, and data from cyber threats, here are some books to get you started. 1. Web Application Hacker’s HandbookThe highly successful security book returns with a new edition, completely updatedWeb applications are the … Read more
What is a router VRF and why it matters
This post will walk you through what a VRF is, why it matters, and how it’s used in real-world networking. What is a VRF? VRF stands for Virtual Routing and Forwarding. It’s a technology that allows multiple instances of routing tables to coexist on the same physical router or Layer 3 switch. Each VRF is … Read more
VRF Architectures
1. Basic VRF Architecture Diagram A single router with two VRFs (e.g., Customer_A and Customer_B), each with its own routing table and interface. Purpose: Shows how two VRFs keep overlapping IP spaces separated. 2. Traffic Isolation in VRFs Two devices connected to the same router but isolated via VRFs. 3. VRF Routing Tables Example Purpose: … Read more
Much welcome BGP changes in Mikrotik routeros 7.19beta
*) bgp – added input.filter-community;*) bgp – fixed excessive CPU usage;*) bgp – fixed input.accept-community;*) bgp – fixed memory leak on receiving notify and closing session;*) bgp – improved performance on BGP input;
Jon Stewart talks broadband and funding
Take the political commentary from the 3rd party people in the second and third vidoes with a grain of salt. These videos talk about the broadband funding process.