About 146 results
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Secure your router with Cisco's SDM Firewall Policy Wizard
Cisco's Security Device Manager (SDM) now boasts the Firewall Policy Wizard, which you can use to create a firewall. David Davis walks you through the process.
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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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Get a better grasp of Cisco commands with the Output Interpreter
Have you ever entered a Cisco command and been completely overwhelmed by its output? Some commands can return dozens of pages of output, and it's easy to feel like it's in a foreig...
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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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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 ...
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What's the best Cisco router configuration and management tool?
It's rare to be able to accomplish everything you need using only the Cisco IOS; the reality is that additional tools are necessary. Because of the plethora of tools available, the...
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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 outbound IP spoofing with the Cisco IOS
David Davis recently discussed how to prevent inbound IP spoofing, but outbound spoofing also poses a threat to your organization. Find out how to prevent outbound IP spoofing, and...