Cisco released VIRL almost a year ago and it’s not at the 1.0 version yet but it’s getting close as they have done some good work towards the product since it first lunched. Cisco VIRL is like GNS3 which is simulation platform that runs Cisco’s current operating systems so instead of buying used Cisco hardware you can …

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We have to start somewhere so let’s look at the basics of configuring OSPF. Remember OSPF is an IGP (Interior Gateway Protocol) and allows packet authentication as well as IP multicast when sending and receiving updates. In this post we are configuring OSPF in a single area. In this topology we have four routers and …

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So I don't write much powershell but recently I needed a way to send daily emails out of PRTG. Thanks Paessler which has kept it simple with their PRTG monitoring system as the hardest part of this script was getting the data in HTML, remember I don't write much powershell. ;) If you have not used PRTG before check it …

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Cisco started this exam back in 2012 and I have thought/semi-studied about this test for about over a year now, just did not feel comfy about it until recently. I took the test last week and passed, however there were some questions on the exam I noticed that weren't on the exam blueprint so that kind of surprised me. …

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The purpose of this post is to reference the CCNA Data Center (640-911) exam. This exam starts the conversation of IPv6 and since IPv6 is hexadecimal this post starts the talk about how we look at a hexadecimal values and learn how to convert them to binary and decimal. If you know subnetting skills then this won’t be …

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