From its older brother IGRP which was developed in 1980s to overcome the limitations of RIP, EIGRP was an "Enhanced" IGRP protocol. The main purpose of EIGRP was to overcome the limitations of classful networks and make EIGRP a classless routing protocol. During designing of this protocol a different …

Just wanted to put this up has Cisco has recently released VIRL. This is a network simulation platform that you can run Cisco operating systems on which are the same operating systems that run on Cisco hardware so anything you do in this simulation environment would be realistic if it was running on dedicated hardware. …

When I started taking classes from the Cisco CCNA Discover books years ago, I remember for the first part of the book it talked about QoS and the theory behind it. To me QoS was a very interesting but after a chapter or two we never mentioned it again or really knew how to configure it. It seemed like it disappeared …

Cisco recently published its 2014 Annual Security Report, and some interesting data was captured in 2013. One of the details was a talent gap in network security and because of this gap Cisco has a major revision in the CCNP Security certification starting in April. Its estimated that in short term or already present …

I have had the opportunity to take and thankfully pass Cisco certifications at the associate levels and there is one more associate exam, the CCNA Data Center which hopefully I will get later next year. While looking at the CCNA Data Center exam I also glanced over the professional arena that Cisco offers and if you’re …