#networking
112 episodes
#4294: How to Fill a 6U Comms Cabinet: Shelf, Fan, Cable Guide
Empty box, no shelves, no instructions. Here's how to actually fit a modem, mini PC, switch, and NAS into a shallow 6U cabinet.
#4222: How Local Network Discovery Breaks with Custom DNS
Why your printer disappears when you run AdGuard Home — and how mDNS actually works.
#4183: Stacking Three Devices Into One Superphone
What if the best phone isn't a phone at all? Stacking a modem, battery, and handset into one brick.
#4178: DIY ISP Quality Dashboard Tools
Measure your real internet performance with self-hosted tools. No ISP speed tests, no guesswork.
#4159: Managed vs Unmanaged Switches: What You Actually Need
What does "managed" actually mean on an Ethernet switch? And do you need it at home?
#4155: Where Does the Guest VLAN Actually Live?
The VLAN lives in the firewall, not the AP. Here's how to actually segment your guest network.
#4154: Wi-Fi Settings That Actually Matter
What those Ubiquiti controller settings actually do—and why maxing everything out breaks your network.
#4151: KVM Over IP: Remote Server Access When SSH Dies
What do you do when your server is alive but unreachable? KVM over IP hardware gives you BIOS-level access from anywhere.
#4080: How Resumable Uploads Actually Work
What happens when your file transfer fails at 92% — and the app just picks up where it left off.
#4066: Wi-Fi 7 in a Rental: The Bridge Solution
Realistic home networking for renters: Wi-Fi 7 APs, dedicated bridges, and what you can actually expect to pay.
#4061: Wi-Fi Through Concrete Bunkers
Can one access point serve a reinforced concrete apartment with a bomb shelter? Yes, with the right config.
#3999: The VLAN Blind Spot: Why Your IoT Devices Still Talk to Each Other
VLANs isolate IoT from your main network, but devices inside can still attack each other. Client isolation is the missing piece.
#3983: How to Pick the Right Fish Tape for Ethernet
Nylon vs. steel, flat vs. round, and how to avoid killing your Cat6A signal integrity.
#3907: Why the DNS Postman Metaphor Fails Learners
The postal metaphor for DNS is everywhere—but it's failing millions of learners. Here's what works better.
#3904: Manual NAT vs Double NAT: The Measurable Reality
Tracing OPNsense packet paths and quantifying double NAT's real latency cost.
#3902: Manual Network Config Demystified
Why your Linux box asks for gateway, subnet mask, and IP separately — and what each actually does.
#3901: Traceroute Beyond the Basics: Path Diagnostics
Discover what traceroute actually reveals about network paths, firewalls, and multi-WAN failover.
#3884: Why Your Wi-Fi 7 Mesh Might Make Things Worse
Most people either under-provision or over-provision their home networks. Wi-Fi 7 makes both mistakes more expensive.
#3883: Inside OPNsense Tunables: Kernel Variables Explained
What OPNsense tunables actually do, how they work under the hood, and when to touch them.
#3882: Fiber vs Ethernet from Your ONT
What to run from your ONT — Ethernet, fiber, or both? A practical breakdown of the two topologies.
#3808: Tracing a Packet: 3 Home Switches vs the Internet Backbone
Three home switches add 36 microseconds. Your cable modem adds 5-15 milliseconds. Let's follow a packet from phone to Google News.
#3802: What's Really in That Private Network Cable?
Virtual cables, MPLS circuits, and dark fiber — how cloud providers connect data centers behind the scenes.
#3797: How Self-Reverting Watchdogs Save Broken SSH Sessions
A dead man's switch for server configs that automatically rolls back risky changes when connectivity drops.
#3786: When Your DNS Dies: Home Network Failure Cascade
One dead server, ZFS corruption, and a DNS collapse that takes down everything—including your ability to fix it.