Networking

Practical home networking guides covering IP addressing, VLANs, routing, switching, Wi-Fi, firewalls, and secure remote access. Each article focuses on usable configurations, troubleshooting, and trade-offs for stable homelab and small-network environments.

Illustrative queue of data packets approaching a home router, with a smaller packet delayed behind larger traffic.

Nov 4, 2026H.W. Crestwood

Bufferbloat 101: Why Your Ping Spikes Even on Gigabit Fiber

A modern smart TV in a living-room network scene, visually separated from more sensitive personal and administrative devices by a thoughtful trust boundary.

Oct 30, 2026H.W. Crestwood

Why You Shouldn’t Put Smart TVs on Your Main Trusted Network

Modern game consoles connected through a dedicated network segment separated from more trusted personal and administrative devices.

Oct 28, 2026H.W. Crestwood

Segmenting Game Consoles: NAT Types, UPnP Security, and Isolated Subnets

A wireless access point broadcasting a few distinct Wi-Fi networks that flow into clearly separated VLAN paths through managed network hardware.

Oct 23, 2026H.W. Crestwood

Managing Multi-SSID Wi-Fi Networks Mapped to Specific VLAN IDs

A modern network performance scene showing two abstract VPN tunnels, CPU activity, and speed comparisons.

Oct 15, 2026H.W. Crestwood

WireGuard vs. OpenVPN: Benchmarks, CPU Overhead, and Real-World Speed

A bright editorial home-network scene showing two VLAN-like zones with a subtle discovery bridge between a mobile device and a streaming receiver.

Oct 9, 2026H.W. Crestwood

mDNS Reflectors and Avahi: Making AirPlay and Chromecast Work Across VLANs

A bright editorial Wi-Fi security scene showing a modern router transitioning from an older wireless protection layer to a newer, stronger one.

Oct 1, 2026H.W. Crestwood

WPA2 vs. WPA3: Is It Time to Upgrade Your Home Security Protocol?

A bright editorial home-network scene showing a central switch or firewall rejecting one suspicious local network path while trusted clients remain stable.

Sep 29, 2026H.W. Crestwood

Preventing ARP Spoofing and Rogue DHCP Servers on Home Networks

A bright editorial network-edge scene showing one carefully allowed external path leaving a private home network while other paths remain closed.

Sep 19, 2026H.W. Crestwood

Port Forwarding Demystified: How to Expose Services Safely (or Not at All)

A bright editorial home-network scene showing guests on Wi-Fi while a private NAS remains protected behind a subtle network boundary.

Sep 17, 2026H.W. Crestwood

Guest Networks Made Simple: Keeping Friends off Your Private NAS Shares