In this video, you will learn how to run a Virtual Router & Firewall inside VMware ESX with Vyatta.
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Running a Virtual Router & Firewall inside VMware ESX with Vyatta
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Category Archives: Cisco
Learn how PCI affects Cisco network configuration
In David’s latest Cisco article, you will learn how PCI affects Cisco network configuration. If your business accepts credit cards and you haven’t yet had to get tough with your network security, you will eventually. David Davis explains how the PCI data security standards affect your Cisco router and switch security configuration.
How to configure your Cisco router to be a terminal server
Would you like to configure multiple routers, switches, and firewalls, all at the same time, from the console? This is what you want to do when practicing and learning configurations to prepare for the CCNA, CCNP, or CCIE. In fact, I have also used this in the rack of a production network to ensure that I always have console access to all production network devices. This configuration is called “using a Cisco router as a terminal server (or termserver)”.
To read the full version of my new article explaining how to do this, please visit: How to configure your Cisco router to be a terminal server
Understand the OSI model to become a better Cisco troubleshooter
While the OSI Model may seen like some useless & arcane topic that you only study to get your CCNA, I believe it is very valuable in understanding how networks work and how to troubleshoot them. In one of my most recent articles, I cover the OSI model and explain how you can use it to better troubleshoot your Cisco network.
To read the full article, visit: Understand the OSI model to become a better Cisco troubleshooter
Secure your Cisco Routers with Passwords – the right way!
Just published, my most recent article covers, step by step, how to secure your Cisco router using passwords. I start off with the different levels of the Cisco IOS and the different passwords that are available. Then, I move on to show you exactly how to configure passwords in the Cisco IOS to secure your router. This is already a very popular article and it has only been released in the last few days.
To read the full article, please visit: How to properly secure your Cisco router with passwords
Wildpackets 10Gb Ethernet packet capture and analysis – very cool!
I wanted to share with all the Happy Router.com readers some very cool news about a new product. Wildpackets just introduced protocol analyzer that can capture and analyze Ethernet traffic at a rate of 10Gb (full-duplex)! This amazing product will be on display this year at Cisco Networkers 2008 in Orlando, Florida! Here is their official press release:
Industry’s First Extensible Full-Duplex Solution for Network Analysis and Forensics
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Practice Cisco router configuration using a free emulator
Why buy a rack of routers when you can simulate one on your PC? That’s right, that is what you can do for free with Dynamips & Dynagen. These very cool Cisco router, switch, and PIX emulation products are free. All you need to provide is the IOS and a PC to run it on. For those studying for the CCNA or CCNP, this is perfect! In this article, you can learn how to download the emulator and see how to use it, step by step. This is one of David’s most popular TechRepublic articles! To read the full article, please visit: Practice Cisco router configuration using a free emulator
Understand the OSI Model to become a better Cisco troubleshooter
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
How to use a Distribute-List to Filter out Routing Updates in the Cisco IOS
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.
How can Cisco’s Network Security and Deployment Methodologies help you?
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?