About 146 results
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Cisco administration 101: The importance of backing up the IOS
Router configurations represent hours of work and may even be impossible to recreate. That's why you can never be too cautious when it comes to backing up this critical data. In th...
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Make the most of NetFlow by using a collector to analyze the data
David Davis recently wrote an article about the benefits of Cisco's NetFlow technology, and members asked for more. Now he's back with a look at how to use one of the many availabl...
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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...
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Clarifying the Cisco IOS bandwidth command
David Davis has recently noticed that there seems to be some confusion out there about Cisco's bandwidth command, and he wants to set the record straight. In this edition of Cisco ...
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The importance of an effective VPN security policy
Users want to be able to access your network from home or the road using VPN. You want to make sure your network stays secure. Here's how a VPN Security Policy can help.
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Find out what certification news you missed at Cisco Networkers 2006
Dubbed Cisco Networkers 2006, Cisco's annual customer conference took place last month in Las Vegas. David Davis was one of the 100,000 attendees and got the scoop on impending cha...
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Get to know Cisco's Tool Command Language (TCL)
At some point in your career as an administrator, it's a good bet that you've used a script to automate some common task. To assist with such tasks, Cisco added the Tool Command La...
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Cisco administration 101: Monitor network traffic with NetFlow
Are you familiar with Cisco's NetFlow technology? NetFlow is the new standard for network traffic analysis, and you can use it to see the utilization on a router—as well as the tra...
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Get to know your logging options in the Cisco IOS
Knowing how to properly use logging is a necessary skill for any network administrator, and the Cisco IOS offers many options for logging. To help bring you up to speed, David Davi...
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Learn how to use the NAT Order of Operations
Earlier this year, David Davis wrote an article about the Cisco IOS order of operations, and now, he's delving deeper into the topic. Check out these three scenarios to get a bette...