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- Monitor Cisco routers and switches using the IOS environment command
- How do you know if your remote router and switches are being cooled properly? Are the fans working? David Davis tells you how to see the environmental status of your Cisco routers and switches and how to be alerted when there is a hardware problem. by David Davis
- Blog posts 2008-08-01
- The Power of Perception
- In some places, IT still has a perception problem, but this problem can be overcome to the benefit of the business. by Scott Lowe
- Blog posts 2008-07-30
- Cisco administration 101: Monitor network traffic with NetFlow
- David Davis introduces you to NetFlow, a standard for network traffic analysis. He shows you how you can use it to see the utilization on a router -- as well as the traffic that's causing the utilization. by David Davis
- Blog posts 2008-07-16
- Passing the customer service buck
- Providing customer service is more than just reading a list of steps from a troubleshooting guide. It should also be about listening to the customer's problem and helping to resolve it. That doesn't happen often enough and we all have a customer service nightmare story to prove it. by Tricia...
- Blog posts 2008-07-08
- Tips for small businesses who don't want to skip security
- The majority of small businesses don't have the resources for a dedicated technology specialist, so barring a close friend or family member who happens to be a geek, there are a lot of businesses that don't know what to do to make their operations secure. by Andy Moon
- Blog posts 2008-07-06
- The architecture of a flexible .NET file processing system -- Part 4
- The first three parts of this series concentrated on the overall architecture of the .NET file processing system and how the messages get created and routed. In this installment, Zach Smith explains the role of the task specific processes and describes how to set up the system so that it...
- Blog posts 2008-07-04
- Configuring the Cisco 851W or 871W: Standard IOS
- This tutorial by George Ou and Justin James shows you how to set up an advanced SOHO configuration for the Cisco 851W router. by George Ou
- Blog posts 2008-07-03
- IT Dojo: Five Cisco IOS tips to make you more efficient
- Working with Cisco routers and switches is a part of almost every network administrator's job. Keeping your Cisco equipment configured for optimal performance can be a time-consuming process, but there are a few general rules that will make you a more efficient administrator. In this IT Dojo video, Bill...
- Videos 2008-06-30
- Netgear launches open source wireless router with support for third party apps and firmware
- The newly-released Netgear Open Source Wireles-G Router offers developers the opportunity to customize the firmware and add open source applications. by Jason Hiner
- Blog posts 2008-06-30
- How to properly secure your Cisco router with passwords
- Some of the worst security breaches occur because people neglect basic security measures. David Davis discusses the importance of maintaining proper passwords on your router, explains the three modes for the Cisco IOS, and shows you how to configure the five main passwords that protect your network. by David Davis
- Blog posts 2008-06-26
- Understand the levels of privilege in the Cisco IOS
- The Cisco IOS actually offers 16 different privilege levels. David Davis discusses these different levels and introduces you to the main commands you'll need to configure these privileges. by David Davis
- Blog posts 2008-06-20
- 10 commands you should master when working with the Cisco IOS
- Becoming proficient with the Cisco IOS means learning some essential commands. This quick reference describes 10 commands you'll need to rely on when handling various configuration and troubleshooting tasks. by David Davis
- Blog posts 2008-06-13
- Troubleshoot Cisco routers and switches using the debug commands
- David Davis shows you how to get to the bottom of router and switch issues with Cisco's debug commands. Debug can give you a lot of detailed troubleshooting information, but watch out for the debug mistakes that can seriously affect your network. by David Davis
- Blog posts 2008-06-12
- What you need to know about Cisco IOS access-list filtering
- Let's face it, if you don't use Cisco IOS access lists ACL every day, they can be very painful to use. Why are ACLs so painful? Besides just being difficult to use, the penalty for mistake is huge. In one swift swoop, you could incorrectly permit malicious attackers onto your...
- Blog posts 2008-06-05
- Use the Cisco IOS archive command to archive your router's configuration
- Do you want to create archives of your configuration before every configuration change is made? What was the difference between the configuration you saved last year and the one you saved today? The archive command can help you answer these questions and more. Check it out. What is the...
- Blog posts 2008-05-29
- How to perform a Cisco IOS warm upgrade and reload to minimize downtime
- Recently, I wanted to upgrade my test router to the latest IOS. I had read about the new Cisco IOS warm upgrade and warm reload features, and I took this opportunity to test them out. By using these features, you can minimize downtime for your end users when you have...
- Blog posts 2008-05-22
- Filter ICMP traffic in the Cisco IOS
- The Internet Control Message Protocol ICMP is not TCP and it's not UDP. However, ICMP is critical to the functionality of any IP network, such as your corporate network or the Internet. While ICMP is required for IP network traffic redirection and pinging hosts on your LAN or WAN, ICMP...
- Blog posts 2008-05-15
- Security researcher to unveil rootkit for Cisco routers
- Security researcher Sebastian Muniz of Core Security Technologies will be unveiling a malicious rootkit that he developed for Cisco's routers at the EuSecWest conference on May 22. Traditionally the domain of operating systems, rootkits are essentially malware that makes extraordinary efforts to hide themselves by subverting key...
- Blog posts 2008-05-15
- Top 10 IT headlines for May 13 -- Microsoft looking post-PC, counterfeit Cisco routers from China, Sprint nosedive continues
- Top 10 IT headlines Microsoft desperately trying to break free of the PC TechRepublic FBI: Counterfeit Cisco routers risk "IT subversion" (ZDNet Microsoft adding 10,000 new data center servers a month ZDNet Sprint Nextel continues to bleed customers CNET Technology helps woman find...
- Blog posts 2008-05-13
- Use Multilink PPP to combine multiple circuits into a single circuit with a single router interface
- At my company, we initially started out with a single T1 for Internet access. That gave us 1.5Mb up and 1.5Mb down. Over time, we outgrew the 1.5Mb down as we added more users. We had to add more bandwidth; however, it was not cost effective to bring in a...
- Blog posts 2008-05-08
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