A mature enterprise packet analysis architecture does not wait for an incident before it begins collecting evidence. By combining network...
JoinedMay 2, 2023
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20+ years of experience and proven performance in large scale enterprise network infrastructure architecture, design, implementation, migration, security, operation, troubleshooting, leading/managing teams, and budgets. I have a BS in Cybersecurity and a Master's from the University of Florida.
This guide covers Network Time Protocol from fundamentals through enterprise time architecture: stratum hierarchy design, GPS/GNSS time sources, authenticated and...
In many routed-network tests, removing the preferred path produces a longer traffic interruption than restoring it. The difference comes from...
The Definitive Guide for Cisco Enterprise Networks (IOS-XE & NX-OS) This guide covers Spanning Tree Protocol from first principles through...
Cisco ASA Site-to-Site VPN Best Practices (2026 Update) If you are deploying a site-to-site VPN on Cisco ASA in 2026,...
AWS Transit Gateway Connect uses a default BGP keepalive interval of 10 seconds and a hold timer of 30 seconds....
BFD and BGP Graceful Restart are frequently described as features that should never be enabled together. That warning came from...
The Definitive Guide for Cisco Enterprise Networks (IOS-XE & NX-OS) This guide covers Border Gateway Protocol from first principles through...
Client joins SSID Client MAC address SSID / WLAN Client VLAN or policy profile, if already assigned WLC sends RADIUS...
Understanding VRFs and Front-Door VRFs in a B2B Cisco VPN Design In a dedicated B2B router design, the device is...