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Thread: What Is A Router

  1. #1
    exo_body's Avatar Poster
    Join Date
    Nov 2003
    hey, silly question. but what exactly is a router? ive searched google, but dont exactly understand its purpose. i mean, is it used on networks to connect many people to the net? then why do people with one pc use it? or maybe iv got the wrong idea?oh and how is it a form of security, like a firewall?

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  3. Internet, Programming and Graphics   -   #2
    a router shares the internet with more then one computer, most of them have a built in firewall that blocks all your ports

  4. Internet, Programming and Graphics   -   #3
    Spicker's Avatar AKA jaigandhi5 BT Rep: +7BT Rep +7
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    Dec 2002

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  5. Internet, Programming and Graphics   -   #4
    Originally posted by exo_body@17 August 2004 - 14:55
    what exactly is a router?
    it's for routin'.

  6. Internet, Programming and Graphics   -   #5
    uNz[i]'s Avatar Out of order
    Join Date
    Mar 2003
    Originally posted by My A+ Hardware class notes
    Routers operate at the Network layer of the OSI model. They are slower than bridges and switches but make "smart" decisions on how to route packets received on one port to a network on another port.
    Routers, like switches, are capable of segmenting the network. Routers are capable of segmenting a network into multiple collision domains as well as into multiple broadcast domains. A broadcast domain is a logical area in a computer network where any computer connected to the computer network can directly transmit to any other in the domain without having to go through a routing device.
    More specifically it is an area of the computer network made up of all the computers and networking devices able to be reached by sending a frame to the data link layer. Each port to which a network segment is attached is described as a router interface.
    Routers can be computers with special network software installed on them or they can be other devices built by network equipment manufacturers.
    Routers contain tables of network addresses along with optimal destination routes to other networks.

  7. Internet, Programming and Graphics   -   #6
    lee551's Avatar no soup for you! BT Rep: +5
    Join Date
    Jan 2004
    i'm getting flashbacks from my Cisco class right now


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