What is the Difference Between Switch and Bridge in Networking

 Switch Vs Bridge

S.No SWITCH BRIDGE
1  Switches are available in both manageable and non manageable.  Bridges are available only in non manageable
2 Number of ports are more than bridge Number of ports are less than switch
3 They can have separate spanning tree for  each VLANs in the switch They can have only one spanning tree instance per bridge.
4 Large frame buffers Low frame buffer
5 Switches are Hardware based, perform forwarding in hardware Bridges are software based, perform forwarding in software
6 Switches were just the next step which eliminated the collision domain completely Bridges were historically used to reduce the size of collision domain created by hubs
7 Supports cut-through switching Doesn’t supports cut-through switching
8  A switch is a network acces device that provides a centallized point for LAN communications,media connections and management activities-like Hub.  A bridge is an internetworking device used to contact separate LANs or link two network segments, and to filter information between them as well as traffic collisions, and other networek problems.

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  1. Cook says:

    Thanks for your your content – really interesting.

  2. Ram says:

    Thanks for explanation about difference between the switch and bridge?

  3. Hari says:

    They are different types of bridging include the following:

    1. Transparent bridging primarily occurs in Ethernet networks.

    2. Source-route bridging occurs in Token Ring networks.

    3. Translational bridging occurs between different media. For example, a translational bridge might connect a Token Ring network to an Ethernet network.

  4. Justin says:

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  5. Nickjo says:

    amazing peice would you link to my article please?

  6. Teja says:

    Thanks , I’ve just been looking for information on Switches and Bridges and yours is the best I’ve came upon till now.

  7. A bridge is an internetworking device used to contact separate LANs or link two network segments, and to filter information between them as well as traffic collisions, and other network problems.

    A switch is a network access device that provides a centralized point for LAN communications,media connections and management activities. Switch will support multiple topologies like Ring, Mesh, Bus, Star, Tree and Hybrid.

  8. Sameer says:

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  9. Tony says:

    It’s really a nice and useful piece of information. I am glad that you shared this useful information with us. Please keep us informed like this. Thanks for sharing.

  10. Mohan says:

    I like this website very much, Its a rattling nice place to read and obtain information.

  11. Nani says:

    Regards for helping out, superb info about difference between Switch and Bridge in Networking.
    Find some point about Switch and Bridge……

    Bridge is a device that connects two LANs and controls data flow between them.
    Switch is a networking device that learns which machine is connected to its port by using the device’s hardware MAC address.

    Regards,
    Nani

  12. Lance Salina says:

    Subscribed for your blog, many thanks

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  14. giawawjaeh says:

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  18. Agustin says:

    Thankyou for helping out, excellent info .

  19. Samuel says:

    This post is valuable for me. I got more info on Switch and Bridge. Thanks!…

  20. varun says:

    really a grt info as well as grt website,
    it cleared all my doubts

  21. KarlE says:

    I differ with several of your asssertions.
    S.1 bridges are typically manageable. In the age of bridges (which is long past) they were high-priced goods (unless for cost reasons free software solutions were used on PC hardware, e.g. the Karl Bridge), so features such as SNMP management were expected.
    S.7 Switches may not support cut-through switching (i.e. start transmitting a packet while the remainder of that same packet is still being received). cut-through switching was an important selling point in the time of 10Mbps Ethernet, but as speed increased, the time window that a packet takes on the wire decreased, so the disadvantages of cut-through switches (1) higher cost for more complex forwarding logic, (2) forwarding of invalid packets (FCS errors, alignment errors, jabber) gained weight. Do not expect unmanaged switches for Fast or Gigabit ethernet to perform cut-through switches, usually they won’t.

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