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    • Proxy ARP

      Proxy ARP

      ARP (Address Resolution Protocol) is used by network systems to convert system communications from the routable layer 3 IP protocol to the non-routable layer 2 data link layer protocols. In most cases, you don’t need to modify this behavior at all, and system communications are optimal. In special circumstances it is preferable to have another

    • How to Setup a Linksys Router

      How to Setup a Linksys Router

      One of the most popular router brands on the market is the Linksys router. Despite this popularity; however, end-users are commonly challenged to setup the device in the home, office, or other locations. There are a number of types of Linksys routers on the market to include the WRT54G, WRT610n, and the Linksys e4200 which

    • Mi-Fi

      Mi-Fi

      While Novatel Wireless has copyrighted to name MiFi, it has gone on to mean so much more. Mi-Fi literally stands for my-wifi. In other words, it is a personal credit card shaped piece of hardware that acts as a personal WiFi hot spot for you and a few other computers that you allow onto the

    • What is NetBEUI?

      What is NetBEUI?

      NetBEUI (NetBIOS Extended User Interface) is an extended version of NetBIOS, the primary software that allows individual computers to communicate within a given local area network. While NetBIOS itself is most often used to transfer pictures, documents, videos, or other files from one computer to another, NetBEUI is responsible for arranging the actual information in

    • How to Clear the ARP Cache

      How to Clear the ARP Cache

      ARP (Address Resolution Protocol) Cache is a technique used to store “mappings” of  OSI Model Network Layer addresses (IP addresses) to corresponding OSI Model Data Link addresses (MAC addresses). Due to a variety of possible circumstances, ARP cache can become damaged requiring the end user or administrator to determine how to clear the ARP cache

    • How to Set Up Skype

      How to Set Up Skype

      Voice over Internet Protocol or VoIP is now recognized as one of the most popular methods of communicating over the Internet. Skype is one of the most popular programs for PC to PC calling with VoIP. Skype allows users to talk to anyone around the world for free. However, there are a few requirements that

    • Understanding Frame Relay

      Understanding Frame Relay

      Frame Relay is a protocol for transmitting data over a wide area network (WAN). It was designed to use across ISDN interfaces but it is now used over an assortment of other network interfaces. Once one becomes a master of frame relay design and configuration, it is much easier to obtain a strong understanding of

    • Physical Layer

      Physical Layer

      The Physical Layer is the lowest layer in the OSI (Open Systems Interconnection) Model of computer networking and is used to transfer electrical signals that represent data from one place to another. While the Physical Layer does not represent data itself, it does provide a means for that data to move. Essentially, the Physical Layer

    • Cisco Router Commands

      Cisco Router Commands

      Cisco Router IOS Cisco routers are manageable devices, which means that they have the Cisco IOS software for network and internetwork management. The Cisco’s IOS software delivers network services and enabled networked applications. The Cisco IOS is the CLI based software with which Cisco IOS commands can be executed. Cisco Commands There are more than

    • What is a Rollover Cable?

      What is a Rollover Cable?

      A rollover cable is a network cable that connects a computer terminal to a network router’s console port. It is also referred to as a Cisco console cable and is normally flat and light blue so as to distinguish it from other network cable types. The pin-outs on one end of the cable are reversed

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