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Access the Cisco CLI with one of these five terminal emulators
The best way to manage the Cisco IOS is through a terminal emulator using the command-line interface (CLI). What's the best terminal emulator to use? David Davis asked TechRepublic...
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Roll back changes on your Cisco router with this command
What happens if you've made changes to your router's configuration and something goes wrong? How can you get back to where you started? David Davis tells you about a command that h...
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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 ins...
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Cisco administration 101: What you need to know about default routes
Default routes tell routers and switches where to go to if they don't have a specified route in their routing table. David Davis reviews the basics of default routes, explains how ...
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Configure WCCP on your Cisco IOS router
What is the Web cache communications protocol (WCCP), and how can it help you? David Davis introduces you to WCCP, tells you about its advantages, and explains how to configure it ...
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Prevent IP spoofing with the Cisco IOS
In a typical IP address spoofing attempt, the attacker fakes the source of packets in order to appear as part of an internal network. David Davis tells you three ways you can make ...
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Will an open source router replace your Cisco router?
How do Vyatta's open source routers stack up to Cisco? David Davis took one for a test drive to find out. Get the details on Vyatta's offerings, and get David's first impressions o...
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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 ...
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Analyze traffic on switch ports with SPAN and RSPAN
While the ability to monitor your network traffic is critical, the process is different on a switch than on a router. In this edition of Cisco Routers and Switches, David Davis tel...
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Get better performance with Cisco Express Forwarding (CEF)
Cisco Express Forwarding (CEF) can result in faster switching and enable advanced features in the Cisco IOS. David Davis introduces you to CEF and its benefits in this article.