Network Security
Can Fiber Internet Be Wiretapped? What the 2026 GPON Research Proves
A detailed, evidence-backed explanation of the 2026 gpwn research: how shared GPON downstreams work, what the researchers demonstrated, what remains unproven, and what subscribers and ISPs should do.
Guest Wi-Fi vs IoT VLAN: Isolation Without Breaking Everything
Guest Wi-Fi is simple isolation for visitors. IoT VLANs are deliberate segmentation for devices you own but do not fully trust.
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.
Cisco SD-WAN to Multicloud Fabric: A Migration Design
A phased migration from SD-WAN and native cloud networking to Cisco Multicloud Fabric should start with inventory, routing domains, security policy, pilot paths, and measurable experience.
IoT Isolation for Homelabs: VLANs, Firewall Rules, and mDNS
A practical IoT isolation guide that keeps smart-home devices usable while protecting trusted clients, servers, and management networks.
Implementing AgenticOps Safely: Human Approval, Audit Trails, and Rollback
Agentic network operations need guardrails: approved action classes, human review, role limits, dry runs, rollback plans, and audit trails before any production change.