In David’s latest TechRepublic article, he explains how the seven layers of the OSI Model can help you as a Cisco administrator. Get a brief overview of the OSI model and learn why it is more than just a textbook concept — a true understanding of it will help you every day of your career. To read the full article, visit Understand the OSI Model to become a better Cisco troubleshooter
In this article, author David Davis explains how to use a distribute-list to filter out routing updates in the Cisco IOS. A distribute-list is used to control routing updates either coming to your router or leaving from your router. The distribute-list feature works with a number of different routing protocols. You can even specify in the distribute-list command what interfaces you want the command applied to.
To read the full article, click here.
In this article, author David Davis explains how Cisco’s Network Security and Deployment Methodologies can help you and any enterprise customer. This knowledge is useful whether you are implementing security on your network, doing a major router upgrade or even working on a personal project at home. For the full article, please read: How can Cisco’s Network Security and Deployment Methodologies help you?
I was just checking out a new article published over at the Petri IT Knowledgebase, covering How to configure EIGRP in the Cisco IOS. This article is by David Davis and covers the basics of EIGRP configuration, step by step.
In the lastest article published by David Davis, CCIE, learn how you can use Cisco IOS debug commands to troubleshoot common problems on your Cisco router or switch. Here is the URL to read more: Troubleshoot Cisco routers and switches using the debug commands.
I just released a new article entitled Linksys WAP2000 Business Access Point: Review and configuration. In this article, I review a new Business-grade wireless AP from Linksys/Cisco. Even better, I have a video where I show you the basics of the administrative interface and how to configure it.
I hope you will checkout the article and the video, below.
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Have you lost the password to your Cisco switch? If so, check out this YouTube video on how to reset your Cisco Catalyst 2950 or 2960 switch password – is is excellent!
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Have you lost your Cisco ROUTER password? If so, checkout my video on how to reset your Cisco router password!
This is a very high quality introduction to TCP/IP from Train Signal – leaders in IT Pro video training. If you want to learn about TCP/IP, check it out-
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I hope you will checkout my latest TechRepublic article – “Learn to configure Cisco IOS NAT on a stick” by David Davis, CCIE & published just today, over at TechRepublic.com! This is very cool stuff for any CCNA, CCNP, or CCIE candidate to understand.
In this video, you will find the answers to “What are OSPF Link State Advertisements (LSA) and how do you configure them?”I know that the video sounds a bit “robotic” but I think it is still good information for all CCNA/CCNP candidates and network admins to know. Enjoy!
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