Difference between a bridge and a switch?
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Thread: Difference between a bridge and a switch?

  1. #1
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    Default Difference between a bridge and a switch?

    Dear Team
    I am new to networking(ethernet).
    I am unable to understand the difference between a bridge and a switch!
    Pls explain it in detail with CLEAR FUNDAS.
    Thanks.
    Aman
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  2. #2
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    A bridge with more than two interfaces (ports) is also known as a switch.

    Detailed info here - http://www.erg.abdn.ac.uk/users/gorr...es/bridge.html

    If you're new to networking, you should start by understanding the OSI model architecture.
    http://www.erg.abdn.ac.uk/users/gorr...pages/osi.html

    Keith
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  3. #3
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    simply put
    a bridge is used to divide a network into 2
    whereas a switch connects multiple terminals together centrally

    if u have a really large network u can divide it with the help of a bridge

    it would work something like

    10 computers connected to switch (1st network)
    10 computer connected to another switch ( 2nd network)
    and both networks connected thru a bridge !

    and ofcourse detailed explaination is in the links above
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  4. #4
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    A bridge connects two different LAN networks
    A switch is something like you can connect many computers to a switch and then one computer can connect to another through the switch.
    Switch is a unicast one to one connection

  5. #5
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    thanks Keith,theraven,rachitar.

    As of now i understand that...
    A bridge can connect ONLY 2 networks(2 ports).
    A switch can connect MORE THAN 2 networks(Many ports).
    Do, or do not. There is no try -- Jedi Master Yoda

  6. #6
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    Quote Originally Posted by imagineer_aman
    thanks Keith,theraven,rachitar.

    As of now i understand that...
    A bridge can connect ONLY 2 networks(2 ports).
    A switch can connect MORE THAN 2 networks(Many ports).
    Switch cant connect MORE THAN 2 networks
    It can connect more than 2 COMPUTERS

  7. #7
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    Dear rachitar..
    I dont understand..
    I mean when a switch CAN connect 2 or more NETWORKS..then y not 2 or more COMPUTERS???
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  8. #8
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    Quote Originally Posted by rachitar
    Switch cant connect MORE THAN 2 networks
    It can connect more than 2 COMPUTERS
    From when did switches have to bother about networks? Ofcourse its can be correct when the switch is a Layer 3 switch,but under most cases a switch is referred with the Layer 2 tag.
    The concept is simple,I dont understand why there is so much fuss about?

    Switch is nothing but a multi-port bridge.They both break collision domains & enhance the performance of a network but at the same time they create a single broadcast domain.

    Routers deal with connecting networks & not bridge/switch.
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  9. #9
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    When networks (LANs) expand, it's generally a good idea to separate them. Both bridges and switches help you here. The former divides it into a couple of segments, whreas it's possible to divide them into many segemnts using a switch.

    When the switch receives a packet, it reads the destination address from the header information in the packet, establishes a temporary connection between the source and destination ports, sends the packet on its way, and then terminates the connection[\quote]

    Both bridges and switches operate primarily in the Data Link Layer (Layer 2).

  10. #10
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    thanks guys for the answers...
    Let me see if I have got it...
    1)a bridge connects 2 networks(it can connect computers,but that wud be ridiculous).
    2)a switch connects MORE THAN 2 networks.
    3)in other words..switch is a multi port bridge(as digen suggested).
    Hope I am right..or is there more to it??
    Do, or do not. There is no try -- Jedi Master Yoda

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