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Category: Technology

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Networking

MPLS L3VPN on Cisco IOS-XE: Building PE-CE VPNs with BGP VPNv4 and VRF Route Leaking

08/05/2026 by Sarah Chen 11 min read

A complete hands-on guide to configuring MPLS L3VPN on Cisco IOS-XE — from LDP label distribution and VRF definitions to BGP VPNv4 peering, PE-CE routing options, and VRF route leaking, with real CLI examples and show command output throughout.

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Networking

BGP Communities and Route Filtering on Cisco IOS-XE: A Practical Engineer’s Guide

08/04/2026 by Sarah Chen 10 min read

BGP communities let you attach policy metadata to routes across your entire network. This guide covers standard, extended, and large communities on Cisco IOS-XE — with real CLI examples for tagging, filtering, RTBH blackholing, and a complete dual-homed enterprise policy configuration.

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Crypto & Blockchain

Zero-Knowledge Proofs Demystified: ZK-Rollups, zkEVMs, and Ethereum’s Scaling Endgame in 2026

08/02/2026 by Sarah Chen 11 min read

A sharp technical breakdown of how ZK-rollups work, where the major zkEVMs stand in 2026, what it actually costs to transact on each, and why this matters for every serious DeFi participant.

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Off-Road & Camping

Off-Road Lighting Guide 2026: LED Light Bars, Pod Lights, and Rock Lights for Your Jeep

07/30/2026 by Jake Morrison 12 min read

A complete guide to choosing and installing LED light bars, pod lights, and rock lights on your Jeep. Covers beam patterns, mounting positions, wiring best practices, switch panels, and legal considerations for 2026.

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Cisco SNMP v3 on IOS-XE: Secure Configuration, LibreNMS Integration, and Grafana Dashboards
Networking

Cisco SNMP v3 on IOS-XE: Secure Configuration, LibreNMS Integration, and Grafana Dashboards

07/28/2026 by Sarah Chen 1 min read

A complete guide to deploying SNMPv3 on Cisco IOS-XE — covering view and group configuration, per-user auth/priv credentials, ACL hardening, LibreNMS device onboarding, and building Grafana dashboards with Telegraf and InfluxDB.

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Automation & Tools

Homelab Monitoring with Grafana and Prometheus: Track Your Infrastructure Like a Pro

07/27/2026 by Mara 1 min read

Deploy the full Prometheus + Grafana + Node Exporter stack with Docker Compose, write custom PromQL queries, set up proactive alerting, and get real-time visibility into every host and container in your homelab.

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Cisco AAA with TACACS+ and ISE on IOS-XE: Command Authorization, Accounting, and Audit Trails
Networking

Cisco AAA with TACACS+ and ISE on IOS-XE: Command Authorization, Accounting, and Audit Trails

07/25/2026 by Mara 11 min read

A complete deployment guide for Cisco AAA using TACACS+ and Identity Services Engine on IOS-XE — covering server config, command authorization, accounting, SSH hardening, and troubleshooting with real CLI output.

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IPv6 Deployment on Cisco IOS-XE: Dual-Stack Config, OSPFv3, and Prefix Delegation
Networking

IPv6 Deployment on Cisco IOS-XE: Dual-Stack Config, OSPFv3, and Prefix Delegation

07/23/2026 by Sarah Chen 11 min read

A complete hands-on guide to deploying IPv6 on Cisco IOS-XE: enabling dual-stack interfaces, configuring SLAAC and stateful DHCPv6, setting up OSPFv3 with address-family support, and implementing DHCPv6 prefix delegation — with real CLI syntax and verified show command output.

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DMVPN Phase 2 on Cisco IOS-XE: Direct Spoke-to-Spoke Tunnels, NHRP, and Troubleshooting
Networking

DMVPN Phase 2 on Cisco IOS-XE: Direct Spoke-to-Spoke Tunnels, NHRP, and Troubleshooting

07/18/2026 by Sarah Chen 11 min read

A complete guide to DMVPN Phase 2 on Cisco IOS-XE: configure mGRE tunnels, NHRP registration, EIGRP with split-horizon disabled, and IPsec encryption. Includes troubleshooting commands and a final verification checklist.

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Server rack with network equipment representing a self-hosted homelab
Automation & Tools

OneHub: My 23-Container Self-Hosted Server, and the AI Baby Tracker That Keeps My Data Mine

07/16/2026 by Alex Torres 6 min read

A tour of OneHub, my 23-container self-hosted server, and Mia Tracker — the custom app that lets AI analyze my daughter’s data without a single byte leaving my hardware. Should I open-source it?

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Automation & Tools

Traefik v3 Reverse Proxy for Your Homelab: Automatic HTTPS and Docker Service Discovery

07/15/2026 by Alex Torres 12 min read

Learn how to set up Traefik v3 as a reverse proxy for your homelab Docker stack. Covers automatic HTTPS with Let’s Encrypt, Docker service discovery via labels, reusable middleware, wildcard certs via DNS challenge, and common troubleshooting steps.

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STP and RSTP on Cisco IOS-XE: Spanning Tree Deep Dive for Network Engineers
Networking

STP and RSTP on Cisco IOS-XE: Spanning Tree Deep Dive for Network Engineers

07/11/2026 by Sarah Chen 12 min read

A practical deep dive into STP and RSTP on Cisco IOS-XE — root bridge election, port roles, PortFast, BPDU Guard, Root Guard, Loop Guard, and step-by-step troubleshooting with real CLI show command output.

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