Network Security
Designing Networks With DoD IL5 in Mind: Campus, Data Center, IT, and OT Security
How to design campus, data-center, IT, and OT networks that can support DoD IL5 mission systems without pretending a network alone is compliant.
Live Protect and Runtime Vulnerability Shielding for Network Infrastructure
Live Protect is Cisco’s runtime shielding approach for reducing exposure while teams plan upgrades. It should complement patching, segmentation, and lifecycle management, not replace them.
WireGuard Home VPN: Secure Remote Access for Your Homelab
A practical WireGuard home VPN guide for secure homelab access, including routing design, firewall rules, DNS, validation, and gear recommendations.
Cisco Multicloud Fabric: The Network-as-a-Service Push
Cisco Multicloud Fabric aims to simplify site-to-cloud and cloud-to-cloud networking with a Cisco-operated fabric, zero-trust routing, firewall chaining, and ThousandEyes visibility.
UniFi Site Magic SD-WAN: Setup, Routing, Security, and Operational Limits
Choose a UniFi Site Magic topology with clear routing, NAT, isolation, ownership, capacity, validation, and failure boundaries before connecting production networks.
Catalyst Campus Fabric: eBGP, EVPN, VXLAN, and the Path to Macro and Microsegmentation
A design-focused look at Catalyst campus fabric, eBGP/EVPN/VXLAN, VRF macrosegmentation, TrustSec SGT microsegmentation, and how campus fabrics mature toward zero-trust segmentation.
Cisco Secure Access: Where SSE, ZTNA, SD-WAN, and AI Security Meet
A practical look at Cisco Secure Access, SSE, ZTNA, Meraki SD-WAN integration, AI application control, and how to design a migration away from legacy VPN assumptions.
My Ubiquiti UniFi Home Network: Business-Grade Networking at Home
Why I built my home network around Ubiquiti UniFi: UXG Pro, UCKP, USW Pro 48, PoE switching, Flex Mini edge switches, U6 Pro Wi-Fi 6 coverage, dual WAN, VLAN segmentation, security, visibility, and business-grade control without recurring licenses.
Cisco Live 2026: Network Announcements That Matter
Cisco Live US 2026 in Las Vegas centered on Cisco Cloud Control, AgenticOps, Multicloud Fabric, secure campus and branch networking, Live Protect, Cisco IQ, quantum readiness, and new learning paths for network teams.
Network Security Field Notes: Start Here
A practical network security starting point covering asset inventory, segmentation, identity, firewall policy, logging, patching, backups, and incident response.