full-duplex and half-duplex

From: Yuan Zhong (yzhong_at_henri.math.fsu.edu)
Date: 05/30/04

  • Next message: Fredrik Lundholm: "Re: Sunfire V210 : problems : OS would not start (ALOM problem)" 
    Date: 30 May 2004 14:08:28 GMT

    Hi, Can someone please help me understand full-duplex and half-duplex.

    I understand that you may use ndd to set a ethernet interfac to 10/100M
    full/half duplex. What I don't understand is how you can achieve
    full-duplex.

    Since ethernet is based on CSMA/CD, if the ethernet card send and receive
    a packet at the same time, doesn't it collide?

    If full-duplex is achieved, can someone explain the physics behind the
    scene, like what voltage is used for sending out packets and what voltage
    is used for receiving packets.

    Thank you and you all have a good memorial weekend.

  • Next message: Fredrik Lundholm: "Re: Sunfire V210 : problems : OS would not start (ALOM problem)"

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