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Alirio Zavarce

StackWise Virtual Configuration on Catalyst 9500-48Y4C

Updated on March 5, 2022 by Alirio Zavarce
StackWise Virtual Configuration on Catalyst 9500 48Y4C - Featured Image

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

Updated on February 27, 2022 by Alirio Zavarce
StackWise Virtual Configuration on Cisco Catalyst 9606R - Featured Image

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…]

Updated on February 22, 2022 by Alirio Zavarce
Airflow on Cisco Routers, Switches, Firewalls, etc. - Featured Image

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

Updated on February 17, 2022 by Alirio Zavarce
DMVPN Spoke Configuration with Redundant Dual ISPs - Featured Image

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

Updated on February 13, 2022 by Alirio Zavarce
Dual ISP with IP SLA and Object Tracking - Featured Image

Learn IP SLA with Boolean Object Tracking on IOS Routers and a configuration alternative on ASAs with Longest Match Routing. read more →

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Alirio Zavarce CCIE #28672

I'm Alirio Zavarce, CCIE #28672

I'm a seasoned enterprise route-switch consultant. I started this networking blog to help you become a better network engineer. Stick around!

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