Cisco
It Is Always DNS: Pi-hole, AdGuard Home, Technitium, and the SPOF Problem
A practical DNS design guide for Pi-hole, AdGuard Home, and Technitium that avoids the single-point-of-failure trap.
Password Manager vs Browser Passwords
Browser password storage is convenient. A dedicated password manager gives better cross-platform control, sharing, and recovery planning.
Tailscale vs WireGuard vs Cloudflare Tunnel vs Reverse Proxy
A practical remote access comparison: Tailscale, raw WireGuard, Cloudflare Tunnel, and reverse proxies solve different homelab problems.
One UPS, Many Devices: NUT Shutdown for Proxmox, NAS, Router, and Docker Hosts
A practical NUT architecture for coordinating clean shutdown across Proxmox, NAS, Docker hosts, and network gear from one UPS.
UPS Buying Guide for Home Servers: Runtime Is Not the Main Point
A practical UPS buying guide for home servers, NAS devices, routers, and homelabs focused on clean shutdown, sizing, USB signaling, and battery maintenance.
Cisco Catalyst C9550 vs C9350: Choose the Right Campus Role
Map C9350 access requirements and an incumbent C9500 design to a C9550 model, then verify software, optics, licensing, failure tests, and rollback before migration.
Cisco Live 2026 Lab Build: A Small-Scale Reference Architecture
A small-scale lab architecture for testing Cisco Live 2026 ideas: segmentation, SD-WAN concepts, Secure Access patterns, telemetry, AgenticOps workflows, and change validation.
Branch Network Design for the AI Era
AI-era branch design needs SD-WAN, SSE, secure access, local resilience, application steering, Wi-Fi capacity, segmentation, and experience telemetry.
A Practical Post-Quantum Readiness Checklist for Network Teams
A practical checklist for network teams preparing for post-quantum cryptography: inventory, risk ranking, platform support, certificates, VPNs, secure boot, and refresh planning.
Resilience Planning for Cisco Networks: Patch, Shield, Replace, or Segment
A practical resilience model for Cisco networks should classify each exposure into patch, shield, replace, or segment, with owners, deadlines, and evidence.