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Mixed Ethernet speeds

Discussion in 'Networking Issues' started by techmanblues, Jul 27, 2005.

  1. techmanblues

    techmanblues Network Guru Member

    Let's say I have a LAN where all the PCs are connected and thus share files through a gigabit switch. If all but one of these PC have gigabit NICs, will the PC with the slower NIC (10/100) slow everyone down because all of the computers have to transmit at the lowest common denominator?
     
  2. howardp6

    howardp6 Network Guru Member

    The PCs with the gigabit NIC will work at their rated speeds between themselfs. Any transmission to the slower NIC will be sent and receiveed at a slower speed. The switch will sense the connection ans adjust the speeds accordlingly. A switch is a switch, since it retains the characteristics with the IP Addresses of the connected NICs versus a hub, which transmits to all its ports the same signal. A switch sends the packets to a particular port. A NIC will work in Full Duplex with a switch, where as with a hub the NIC will does not send and recieve simutanously. A managed switch allows priorization of traffic.
     

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