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- Configure Cisco routers to use Active Directory authentication -- the router side
- Did you know that you can leverage the Windows Active Directory username/password database to log in to your Cisco routers and switches? Last time, David Davis explained how to install, configure, and troubleshoot Windows' Internet Authentication Service IAS. To wrap up this series, this week he tells you how to...
- Technical articles 2007-05-10
- Fundamentals: Five ways to secure your Cisco routers and switches
- Recently, Cisco Subnet blogger Brad Reese wrote the article, "Expert warns of scam to blackmail companies for cash to get back access to their Cisco routers." In that post, he wrote about hackers who manage to hijack a company's routers and then extort money from them by threatening to take...
- Blog posts 2008-04-03
- Provide redundancy on your Cisco routers with GLBP
- GLBP is a router redundancy protocol introduced in Cisco IOS version 12.2(14)S. Not familiar with GLBP? Let David Davis introduce you to this protocol and show you how to configure it. Are you familiar with GLBP? I'm willing to bet that a good number of you are not....
- Technical articles 2005-10-06
- Configure lines and VTYs on Cisco routers
- All Cisco routers have two special types of lines, and many Cisco routers have a third. What are these lines, and how do you configure them? These are things that every network admin should know. What are the different types of lines on Cisco routers? "Lines" on Cisco...
- Blog posts 2007-12-13
- Configure Cisco routers to use Active Directory authentication -- the Windows side
- Did you know that you can leverage the Windows Active Directory username/password database to log in to your Cisco routers and switches? In this two-part series, David Davis walks you through the process. This time, he explains how to install, configure, and troubleshoot Windows' Internet Authentication Service IAS. If...
- Technical articles 2007-05-02
- Cisco administration 101: Upgrading routers and switches
- Unless your organization has a dedicated network management group, the task of upgrading routers and switches can fall rather far down the priority list. David Davis discusses why upgrading routers and switches deserve a higher priority, and he walks you through the process of upgrading a Cisco IOS router, step...
- Technical articles 2005-05-12
- Choose a Cisco router that best fits your organization's needs
- How can you find the right Cisco router for your organization? When it comes to choosing a Cisco device, you have several options to help you make the decision. David Davis walks you through some of these options and introduces you to the Cisco Product Advisor, a time-saving tool that...
- Technical articles 2005-06-09
- Find the best Cisco router for your needs
- With Cisco's router lineup changing so frequently, it can be difficult to stay up to date. What are the current models of routers, and which router would you use for which situations? What's missing from the lineup? For those of us who have been working with Cisco routers...
- Blog posts 2008-02-28
- Tap into the open source community for Cisco-specific administration tools
- After a couple members mentioned in a discussion how useful open source tools had been with their Cisco administration tasks, David Davis decided to investigate the issue. Find out why he says the Cisco-centric Open Source Community COSI is a great place to start, and get his picks for some...
- Technical articles 2005-04-28
- Run Linux on your Cisco router with Cisco's new AXP module
- Cisco has been talking about the "network as a platform" for a long time, but what does that actually mean, and what does the AXP network module have to do with it? What is the AXP? The Cisco Application eXtension Platform AXP is made up of a hardware...
- Blog posts 2008-04-17
- Make configuration a snap with the Cisco Network Assistant
- Are you familiar with the Cisco Network Assistant CNA, a free tool that helps you configure Cisco devices? David Davis introduces you to this handy tool and compares it to its predecessor, the Cisco ConfigMaker. Want to learn more about router and switch management? Automatically sign up...
- Technical articles 2005-04-21
- Is pt360 the all-in-one Cisco tool we've been looking for?
- Last year, I wrote an article about compiling the ultimate list of Cisco administration tools ("What's the best Cisco router configuration and management tool?"). I listed what I thought were some of the best tools out there, and TechRepublic members chimed in with a ton of comments and recommendations. ...
- Blog posts 2008-01-31
- Three ways to remotely determine your Cisco router's serial number
- At some point, it's a good idea to conduct a router inventory to determine which routers you have as well as their models, RAM, Flash, IOS versions, and serial numbers. I mention the serial number specifically because you need it to both track your routers and to register for a...
- Blog posts 2008-03-18
- Buying the best switch: Linksys vs. Cisco
- You may think of Linksys as the consumer-grade switch vendor, but the company boasts a line of Business Series switches as well. How do they stack up against Cisco switches? David Davis offers a point-by-point comparison. When it comes to routers and switches, most IT pros associate Cisco...
- Technical articles 2007-02-15
- Cisco networking 101: Five things you should know
- No matter how long you've been working on networks, it never hurts to review the basics every now and then—even seasoned administrators sometimes need a refresher. That's why David Davis has compiled a list of five things every administrator needs to know about Cisco networking. No matter how long...
- Technical articles 2006-01-19
- Discover the benefits of Cisco 2800 Series routers
- If I had to name some of my favorite Cisco routers, I would definitely include the Cisco 2800 Series on my list. Find out what you need to know about the Cisco 2800 Series, and learn why your organization might want to invest in this new line of routers. ...
- Blog posts 2008-03-27
- Five ways Cisco Network Assistant 5.2 can make your life easier
- A couple of years ago, I wrote an article about using the Cisco Network Assistant ("Make configuration a snap with the Cisco Network Assistant"). Back then, the latest version was 2.x, but times have changed: The latest version is 5.2. What's new in Cisco Network Assistant CNA...
- Blog posts 2007-09-06
- Five Cisco IOS tips to make you more efficient
- Over the years, I've offered a ton of Cisco IOS tips and tricks in the Cisco Routers and Switches newsletter. However, some of the best tips are too short to support a full-length article. This week, I want to share five quick tips for using the Cisco IOS that will...
- Blog posts 2007-11-15
- Cisco IOS access lists: 10 things you should know
- Access control lists ACLs are a fundamental part of working with routers. How much do you know about managing these vital gatekeepers? David Davis lists 10 things every administrator should know about working with Cisco IOS ACLs. If you work with Cisco routers, you're more than likely familiar...
- Technical articles 2005-06-16
- Implement regular monitoring and improve Cisco router performance
- Do you know how your routers are performing? What could you do to improve performance? I'll try to answer those questions by giving you some tips on monitoring and improving your router performance. What is meant by router performance? What network admins actually mean when they talk about...
- Blog posts 2008-04-10
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