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How to Configure Passwords to Secure your Cisco RouterMaybe you have a new router or you want to verify that you have security properly configured on your existing… -
How to Recover a Lost Password on a Cisco SwitchLost the password to your Cisco switch? David Davis walks you through how to recover that password (and your sanity).
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Cisco 800 series Routers – the best routers to practice for your CCNA exam and learn the IOSSo many new or aspiring network administrators have asked me “what is the best router to use to learn the…
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Static Routes in the Cisco IOSAs a network administrator, you must be able to configure your routers to route traffic across the network. Static routes…
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What is Cisco Telepresence and what does it take?If you are like me, you have probably heard about Cisco’s Telepresence video conferencing system but probably didn’t realize that…
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How to Use Cisco IOS Access Lists – Part 1A Cisco IOS Access-List (ACL) is used to specify network traffic. Once you specify traffic with an ACL, you can…
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3 WAN Protocols you should know: HDLC, PPP, and Frame-RelayYour company is connected to the Internet, right? (everyone nod your head yes) So what WAN protocol do you use…
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How to Use Cisco IOS Access Lists – Part 2In Part 1 of this article, we explained how access-lists work. In this article, we’ll take a sample network and…
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Basics of Cisco Switch Administration – Part 1Need help configuring a switch port or seeing what MAC address is on what port? David Davis serves up some…
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How to Use HyperTerminal with Cisco Routers & SwitchesMost Cisco devices do not have a graphical Web-based interface by default. You must configure them from the command line…
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Basics of Cisco Switch Administration – Part 2Introduction In Basics of Cisco Switch Administration – Part 1, we covered some of the basics of Cisco switch administration…
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How to use the OSI Model for Network TroubleshootingIn a previous article, we explained the OSI model and how it works. In that article, we went over how…
