DMVPN Phase 2 on Cisco IOS-XE: Hub-and-Spoke Dynamic VPN Configuration Guide
New post on ignaonline.com Sarah Chen just published a detailed guide on DMVPN Phase 2 configuration on Cisco IOS-XE. This guide covers everything from...
New Post: Securing the Management Plane on Cisco IOS-XE
New Post on ignaonline.com Sarah Chen dives deep into management plane hardening on Cisco IOS-XE — the most overlooked attack surface on network...
New Post: Paperless-ngx on Docker: Self-Host Your Document Management System
Hey, New post on ignaonline.com: Paperless-ngx on Docker: Self-Host Your Document Management System (2026 Guide) Stop drowning in paper. Paperless-ngx turns...
New Post: Cisco Catalyst 9000 (Cat9K) IOS-XE Upgrade Guide: Install Mode, ISSU, and Common Gotchas
Hey there, We just published a new guide on ignaonline.com: Cisco Catalyst 9000 (Cat9K) IOS-XE Upgrade Guide: Install Mode, ISSU, and Common Gotchas If you...
RTX 5070 Ti vs RX 9070 XT: Which Mid-Range GPU Should You Buy?
The two best mid-range GPUs of 2026 are locked in a close battle — and Jimmy Whitlock has spent weeks testing both to give you a straight answer. Head-to-...
STP and RSTP on Cisco Catalyst Switches: A Deep Dive into Spanning Tree
Hey, New post is up on ignaonline.com — this one is a thorough guide on STP and RSTP on Cisco Catalyst IOS-XE switches. We cover root bridge election (and...
MPLS L3VPN on Cisco IOS-XE: VRF, MP-BGP, and LDP Configuration Guide
New post from Sarah Chen on ignaonline.com: MPLS L3VPN on Cisco IOS-XE: VRF, MP-BGP, and LDP Configuration Guide A complete step-by-step guide to configuring...
Winch Buying Guide 2026: How to Choose, Mount, and Use a Recovery Winch
New post from Jake Morrison on ignaonline.com You've got the lift kit, the tires, the recovery boards. But when you're truly stuck — wheels spinning in mud,...
BGP Communities and Route Filtering on Cisco IOS-XE: A Practical Deep Dive
New post from Sarah Chen on ignaonline.com: BGP Communities and Route Filtering on Cisco IOS-XE: A Practical Deep Dive If you've been working with BGP for a...
Bitcoin Layer 2 in 2026: Lightning Network, Stacks, and Rootstock Compared
New post by Sarah Chen on the blog: Bitcoin Layer 2 in 2026: Lightning Network, Stacks, and Rootstock Compared A sharp, technical breakdown of Bitcoin Layer...
SNMPv3 on Cisco IOS-XE: Secure Configuration and Integration with Grafana and LibreNMS
New post on ignaonline.com by Sarah Chen: SNMPv3 on Cisco IOS-XE: Secure Configuration and Integration with Grafana and LibreNMS A production-grade guide to...
AAA with TACACS+ and Cisco ISE: Securing Network Device Access on IOS-XE
New on ignaonline.com: AAA with TACACS+ and Cisco ISE If you're still using a shared enable password across your Cisco switches, this one's for you. Today's...
New Post: Grafana + Prometheus on Docker — Complete Homelab Monitoring Stack
Hey there, We just published a new guide on the blog: Grafana + Prometheus on Docker: The Complete Homelab Monitoring Stack Guide. If you've ever wondered...
New Post: IPv6 on Cisco IOS-XE: Complete Configuration Guide for Dual-Stack, DHCPv6, and OSPFv3
Hi there, New post on ignaonline.com — this one's a deep dive into IPv6 configuration on Cisco IOS-XE, covering everything you need to actually deploy it in...
New Post: Authentik on Docker: Self-Hosted Single Sign-On for Your Homelab
Hey, New post on ignaonline.com — this one's for everyone who's tired of managing a different username and password for every homelab service. Authentik on...
Wireshark Filters for Network Engineers: Essential Display and Capture Filters for Cisco IOS-XE Troubleshooting
New post on ignaonline.com by Sarah Chen: Wireshark Filters for Network Engineers: Essential Display and Capture Filters for Cisco IOS-XE Troubleshooting...
DMVPN Phase 2 on Cisco IOS-XE: Hub-and-Spoke VPN with NHRP and Dynamic Tunnels
New post from Sarah Chen on ignaonline.com: What Is DMVPN and Why Does Phase 2 Matter? If you've ever managed a hub-and-spoke WAN where branch offices need...
Best Gaming GPUs in 2026: RTX 5000 vs RX 9000 — Which Card Should You Buy?
Hey, The GPU market in 2026 is the most competitive it's been in years — AMD's RX 9070 XT is giving NVIDIA a real fight at 1440p, Intel Arc B580 remains the...
MPLS L3VPN on Cisco IOS-XE: VRF, MP-BGP, and Label Forwarding Configuration Guide
New post on ignaonline.com — this one is for the network engineers. MPLS L3VPN on Cisco IOS-XE: VRF, MP-BGP, and Label Forwarding Configuration Guide We walk...
BGP Communities and Route Filtering on Cisco IOS-XE: Traffic Engineering the Right Way
A new deep-dive is up on ignaonline.com — BGP communities and route filtering on Cisco IOS-XE. This one covers: Standard, extended, and large BGP...