AGray.Tech | Networking | Security

Raspberry Pi Projects – VPN Server: Free Lab Friday

In this video you will learn how to set up your own personal VPN server on a Raspberry Pi. Use this to impress job interviewers, privacy on public WiFi, and just for learning!

This is one of my favorite Raspberry Pi projects!

CCNA vs. Network+ 2021

Should you get the Network+ or go straight to CCNA in 2020? This video tells you my opinion on both certifications and how they boosted my IT career.

OSPF Course For CCNP and Beyond: A Complete Guide

Are you trying to pass your CCNP ENCOR or ENARSI exams? Do you want to become a CCIE one day? Well then this ospf course is for you!

Complete this course and you will be able to confidently explain, configure, and troubleshoot OSPF.

Network Programmability for Noobs (ENAUTO, DCAUTO, DevNet)

Using python and the NX-OS API to Configure OSPF on a device.

This script will authenticate with a Nexus device that has feature nxapi enabled. We store the token received in a variable for later use, and then enable ospf globally, set the router id, and finally configure an interface with an IP address and to participate in our ospf instance in area 0.

How to pass CCNP ENCOR (350-401) On your First Try

Tips for passing the Cisco CCNP ENCOR Exam from someone who recently passed.

EIGRP Feasibility Condition, Offset Lists, and Variance

This post and video lesson will help you fully understand EIGRP basics such as successor routes, feasible successors, EIGRP feasibility condition, variance for unequal cost multipathing, and more!

Subnetting Tutorial: Find the Network Address Given an IP

I wanted to make a subnetting tutorial that showcases my absolute favorite shortcut for finding the network address given an IP and mask. This…

CCNA / CCNP GRE Tunnel Lab – OSPF, GRE, and EIGRP

This lab will challenge you in topics such as Multi-Area OSPF, EIGRP, GRE Tunnels, DHCP Helper, Static Routes, and more!

Packet Tracer Lab Challenge – Test your skills!

This lab challenge will test your skils in OSPF, Static PAT, ACL’s, DHCP, and other network configuration basics.

Automated Robocopy Backups With Email Notification

What happens is you schedule a task to run the first Robocopy script. Based on the error level output one of two things happen: a success or failure. If there is success you run one batch file, if it fails you run another.