Author Archive

I have had many classes where students have asked me for a simple chart that I write on the whiteboard when covering the routing protocols.  I finally put it to paper and am providing it here.  I hope some of you find it useful. Name Class Type Administrative Distance... Full story

Routing Protocols Comparison for CCNA  I have always said I was going to make this chart since I draw it on the board for nearly every CCNA class I teach.  Well, here it is.  I may add to it later. Name Class Type... Full story

As promised I have begun posting new updates to the CCNP Lab Workbook, for customers of the CCNP Bootcamp Class-on-Demand. In addition to the previously available BCMSN section, the EIGRP portion of the BSCI section is now posted. I should be posting another batch of updates tomorrow which include OSPF and possibly IS-IS, along with the rest of the topics to soon ... Full story

Change was in the air, and Bob knew it.   Bob had simply been ignoring the fact that the existing IPSec site to site tunnels that he inherited at his company were old school, and there were better options, especially when plans included bringing up dozens of new sites.   Since his company was going to be purchasing MPLS services, Bob was open to learning better ways ... Full story

After returning from vacation, Bob (the optimistic firewall technician) decided that he wanted to take some time and get a little bit more familiar with firewall configuration. He was able to get permission to use some spare equipment for practice.   He started with a basic configuration on the firewall: hostname INEASA1 password cisco enable ... Full story

Module 1: General Networking Theory General Routing Concepts Routing Information Base (RIB) and Routing Protocols Interaction Redistribution Module 2: Bridging and LAN Switching Spanning Tree Protocol (STP) LAN Switching Ethernet Module 3: IP Addressing Services Network Management Module 4: IP Routing OSPF BGP EIGRP ... Full story