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    • VDSL (Very High Bit-Rate Digital Subscriber Line)

      VDSL (Very High Bit-Rate Digital Subscriber Line)

      Broadband has revolutionized the way we view and use the internet. The two main types of broadband technology that have pervaded the market are Asymmetric Digital Subscriber Line (ADSL) and cable modems. Both these technologies are a huge leap from the days of the 56 Kbps dial-up connections, with maximum speeds ranging between 8 to

    • DSL Splitter

      DSL Splitter

      A DSL splitter, like a DSL filter, is a device used to prevent interference problems. It filters the low frequencies of the telephone line from the high-frequency ADSL line. However, the installation of a DSL splitter requires the help of a technician to split the main telephone cable into 2 lines unlike a DSL filter

    • How to Perform a DNS Lookup

      How to Perform a DNS Lookup

      DNS, Domain Name System, is a complex hierarchical system which helps map Internet addresses with their respective machines over the World Wide Web. When a domain is created and hosted, a variety of information is linked with it. DNS Lookup is generally a process of digging out this related information for a specified domain name.

    • 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

    • IP Address

      IP Address

      An IP (Internet Protocol) address is a unique address that different computers on a computer network use to identify and communicate with one another. An IP address is used as an identifier to find electronic devices connected to one another on a network. Therefore, each device in the network must have its own unique address.

    • Cisco VPN Error 412

      Cisco VPN Error 412

      The CISCO VPN Client is a popular software application that allows end-users to connect a computer to a VPN (virtual private network). Once connected, the client computer can leverage the resources of the remote network in a secure environment as if connected directly to the local network. Unfortunately, a common error that can arise for

    • Linksys Default Password

      Linksys Default Password

      The Linksys network router is one of the most popular home and office networking pieces of equipment sold by Cisco. The company has produced Linksys routers supporting the latest version of the 802.11 standard for more than a decade with the most current models capability of supporting the 802.11N standard supporting extremely high throughput for

    • How to Flush DNS

      How to Flush DNS

      When surfing the Internet, a problem that can arise for consumers is getting a number of DNS errors or 404 errors in the web browser despite a working Internet connection. If this is the case, then learning how to flush DNS for your computer’s operating system (OS) is key to restoring the proper quality of

    • Public DNS Servers

      Public DNS Servers

      DNS (Domain Name System) servers are designed to allow networked devices such as computers, phones, and other servers to look up address records in DNS tables. The majority of DNS servers are configured to provide service to the organizations or people that own or pay service fees for the hardware. There are a number of

    • Interior Gateway Routing Protocol

      Interior Gateway Routing Protocol

      The Interior Gateway Routing Protocol (IGRP) is a network routing protocol that is designed to enable routing inside of an Autonomous System (AS). Cisco developed this protocol in the late 1980s in response to the existing Routing Information Protocol’s (RIP) shortcomings. As Cisco routers became more popular, a number of large networks began using IGRP,

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