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الموضوع: الفرق بين CAM tabel ال MAC table

  1. #1
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    الفرق بين CAM tabel ال MAC table



    Hi guys
    I would ask you what is the main different between CAM table and MAC addrress table ,,,,,,,and where should we say CAM table and where should we say MAC table
    ??
    thank you in advance
    التعديل الأخير تم بواسطة saeedes2005 ; 25-09-2012 الساعة 10:22

  2. #2
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    رد: الفرق بين CAM tabel ال MAC table

    A Ethernet switch's role is to copy Ethernet frames from one port to another. The presence of a CAM table is one attribute that separates a switch from a hub. Without a functional CAM table, all frames received by a network switch would be echoed back out to all other ports, much like an Ethernet hub. A switch should only emit a frame on the port where the destination network device resides (unicast), unless the frame is for all nodes on the switch (broadcast) or multiple nodes (multicast).
    Generally, the CAM table is a system memory construct used by Ethernet switch logic to dereference Media Access Control (MAC) addresses of stations to the ports on which they connect to the switch. This allows switches to facilitate communications between connected stations at high speed regardless of how many devices are connected to the switch. The CAM table is consulted to make the frame forwarding decision. Switches learn MAC addresses from the source address of Ethernet frames on the ports, such as Address Resolution Protocol response packets.

    منقول من wikipedia.org

  3. #3
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    رد: الفرق بين CAM tabel ال MAC table



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