AWS Transit Gateway Connect uses a default BGP keepalive interval of 10 seconds and a hold timer of 30 seconds....
This guide covers Network Time Protocol from fundamentals through enterprise time architecture: stratum hierarchy design, GPS/GNSS time sources, authenticated and...
BFD and BGP Graceful Restart are frequently described as features that should never be enabled together. That warning came from...
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 Border Gateway Protocol from first principles through...
The Definitive Guide for Cisco Enterprise Networks (IOS-XE & NX-OS) This guide covers Spanning Tree Protocol from first principles through...
Client joins SSID Client MAC address SSID / WLAN Client VLAN or policy profile, if already assigned WLC sends RADIUS...
Cisco ASA Site-to-Site VPN Best Practices (2026 Update) If you are deploying a site-to-site VPN on Cisco ASA in 2026,...
Understanding VRFs and Front-Door VRFs in a B2B Cisco VPN Design In a dedicated B2B router design, the device is...