Senior Network Engineer, technology enthusiast, guitar and bass player. Joe Wilson is the creator of as well as other niche websites that can be found around on the Internets.

SSH Configuration – Securing Router Logins

configure ssh on a cisco router

How to Configure SSH (Secure Shell) For Remote Login on a Cisco Router By Don R. Crawley Prior to the introduction of SSH in the Cisco IOS, the only remote login protocol was Telnet. Although quite functional, Telnet is a non-secure protocol in which the entire session, including authentication, is …

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What are Routing Protocols?

routing protocols

Network Routing Protocols – IGRP, EIGRP, OSPF, ISIS, BGP The purpose of routing protocols is to learn of available routes that exist on the enterprise network, build routing tables and make routing decisions. Some of the most common routing protocols include RIP, IGRP, EIGRP, OSPF, IS-IS and BGP. There are …

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Using Mnemonics To Remember Networking Details


Per Wikipedia – A Mnemonic is “A device such as a pattern of letters, ideas, or associations that assists in remembering something” As network engineers, we are constantly tasked to remember details (and recall easily) about how networking technology works.   One of the easiest ways to commit some of …

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How to Pass the Cisco CCNA or CCNP Exam

best cisco practice exam

Too often we get asked by our readers “What is the easiest/fastest/best/simplest way to pass the Cisco CCNA or CCNP exam”.  Too many people want a quick answer or a quick fix.  We live in a fast paced society where everything needs to be done quickly so we can get …

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