How to Configure a Cisco Router for Internet Access (step by step)
In this post, you’ll learn step-by-step the process to configure a Cisco router to provide Internet connectivity in a secure manner. read more →
Alirio Zavarce
StackWise Virtual Configuration on Catalyst 9500-48Y4C
Learn how to configure StackWise Virtual on a pair of Catalyst 9500 48Y4C switches and pick ports for the StackWise Virtual Link (SVL). read more →
StackWise Virtual Configuration on Catalyst 9606R
Learn how to configure StackWise Virtual and apply best practices for an optimal redundant design with 40G and 100G interfaces. read more →
Airflow on Cisco Routers & Switches [and more…]
This post is a growing collection of airflow specifications for Cisco devices that can be used when planning network closets and data centers. read more →
Single DMVPN Cloud & Branch Configuration with Redundant Dual ISPs
In this post, I’ll cover one way to configure redundancy on a spoke with dual ISP connectivity and front-end VRFs on a single DMVPN cloud. read more →
Dual ISP Redundancy: IP SLA, Boolean Object Tracking & Longest Match Routing
Learn IP SLA with Boolean Object Tracking on IOS Routers and a configuration alternative on ASAs with Longest Match Routing. read more →