• September 26, 2005 26 Sep'05

    Router Expert: Building a WLAN proxy server, IP routing

    This tip describes how to configure a multi-interface Linux server so it reaches all of the networks beyond all of its local interfaces by implementing a static kernel IP route table.  Continue Reading

  • September 22, 2005 22 Sep'05

    FastFacts on Ping

    These resources will help you better understand ping in no time.  Continue Reading

  • September 22, 2005 22 Sep'05

    Commoditization or integration?

    Is the network being commoditized? Editor Susan Fogarty offers her view on the issue.  Continue Reading

  • September 21, 2005 21 Sep'05


    E.164 is an international numbering plan for public telephone systems in which each assigned number contains a country code (CC), a national destination code (NDC), and a subscriber number (SN).  Continue Reading

  • September 21, 2005 21 Sep'05

    packet mangling

    Packet mangling is the modification of packets at a packet-based network interface before and/or after routing.  Continue Reading

  • September 21, 2005 21 Sep'05

    packet filtering

    On the Internet, packet filtering is the process of passing or blocking packets at a network interface based on source and destination addresses, ports, or protocols.  Continue Reading

  • September 21, 2005 21 Sep'05

    Media Access Control layer (MAC layer)

    In the Open Systems Interconnection (OSI) model of communication, the Media Access Control layer is one of two sublayers of the Data Link Control layer and is concerned with sharing the physical connection to the network among several computers.  Continue Reading

  • September 21, 2005 21 Sep'05

    Morse code

    Morse code is a method of sending text messages by keying in a series of electronic pulses, usually represented as a short pulse (called a "dot") and a long pulse (a "dash").  Continue Reading

  • September 21, 2005 21 Sep'05

    Resilient Packet Ring (RPR)

    Resilient Packet Ring (RPR) is a network topology being developed as a new standard for fiber optic rings.  Continue Reading

  • September 21, 2005 21 Sep'05


    A subcarrier is one telecommunication signal carrier that is carried on top of another carrier so that effectively two signals are carried at the same time.  Continue Reading





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