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What is a VLAN? How to Setup a VLAN on a Cisco SwitchWhat is a VLAN? How to Setup a VLAN on a Cisco Switch Have you ever wondered what a Virtual… -
OSI Model ConceptsThe standard model for networking protocols and distributed applications is the International Standard Organization’s Open System Interconnect (ISO/OSI) model. It…
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Solarwinds Read-Time NetFlow Analyzer – Free DownloadSo many network performance tools tell you that you have too much traffic here or there but then don’t go…
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How /30 and /32 Bit IP Subnet Masks Can Help You With Cisco NetworkingWhen it comes to IP subnetting, as you don’t do it everyday, it can be confusing and take a while…
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How can Cisco’s Network Security and Deployment Methodologies can help you?In my time browsing the Cisco website and also from watching Cisco presentations, there are a couple of different methodologies…
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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…
