How to Pass the CCIE Lab (my 3 steps)
Looking to pass the CCIE lab? If I had to take the Enterprise Infrastructure lab again to pass on my first attempt, here’s what I would do. read more →
Alirio Zavarce
FTD 2100 Initial Setup & FMC Registration
This post walks you through the initial configuration of a Cisco FTD 2100 and how to connect and add an FTD to a Cisco FMC for management. read more →
Nexus 9000 Smart Licensing Configuration
In this post, I provide a CLI configuration script to get your Cisco Nexus 9000 switch registered with your Cisco Smart Account. read more →
EIGRP vs OSPF: Differences & Similarities
The purpose of this post is to compare both EIGRP and OSPF version 2 to understand their similarities and differences. read more →
“license smart register” Missing Command
When entering the Token ID you generated from your Smart Account, you notice that the “license smart register idtoken” command is missing? read more →
EIGRP RTO 5000: What is it & How to Fix it
Why do you get an EIGRP RTO of 5000 when establishing an EIGRP neighborship? In this post, I elaborate on what I did to fix this problem. read more →
Configure MTU Size on Catalyst 9500 Switch
In this post, I’ll quickly show you how to increase the IP MTU size on a Catalyst 9500 switch to allow frames bigger than 1500 bytes (jumbo frames). read more →
Nexus vPC Configuration
Looking to learn how to configure a Virtual Port Channel on Nexus switches for the first time? This post shows you the basics and how to configure a vPC. read more →
How to Configure a Cisco Switch (step by step)
If you’re looking to configure a switch for the first time, this post is for you. Learn step-by-step configuration commands for Cisco IOS Switches. read more →
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 →