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vx (4)
  • >> vx (4) ( FreeBSD man: Специальные файлы /dev/* )

  • BSD mandoc
     

    NAME

    
    
    vx
    
     - 3Com EtherLink III / Fast EtherLink III (3c59x) Ethernet driver
    
     
    

    SYNOPSIS

    To compile this driver into the kernel, place the following line in your kernel configuration file:
    device vx

    Alternatively, to load the driver as a module at boot time, place the following line in loader.conf5:

    if_vx_load="YES"
    
     

    DESCRIPTION

    The driver provides support for the 3Com ``Vortex'' chipset.

    The medium selection can be influenced by the following link flags to the ifconfig(8) command:

    link0
    Use the AUI port.
    link1
    Use the BNC port.
    link2
    Use the UTP port.

     

    HARDWARE

    The driver supports the following cards:

     

    DIAGNOSTICS

    "vx%d: not configured; kernel is built for only %d devices."
    There are not enough devices in the kernel configuration file for the number of adapters present in the system. Add devices to the configuration file, rebuild the kernel, and reboot.

    All other diagnostics indicate either a hardware problem or a bug in the driver.  

    CAVEATS

    Some early-revision 3c590 cards are defective and suffer from many receive overruns, which cause lost packets. The author has attempted to implement a test for it based on the information supplied by 3Com, but the test resulted mostly in spurious warnings.

    The performance of this driver is somewhat limited by the fact that it uses only polled-mode I/O and does not make use of the bus-mastering capability of the cards.  

    SEE ALSO

    arp(4), netintro(4), ng_ether4, ifconfig(8)  

    HISTORY

    The device driver first appeared in Fx 2.1 . It was derived from the ep driver, from which it inherits most of its limitations.  

    AUTHORS

    An -nosplit The device driver and this manual page were written by An Fred Gray Aq fgray@rice.edu , based on the work of An Herb Peyerl and with the assistance of numerous others.  

    BUGS

    The driver is known not to reset the adapter correctly following a warm boot on some systems.

    The driver has not been exhaustively tested with all the models of cards that it claims to support.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    HARDWARE
    DIAGNOSTICS
    CAVEATS
    SEE ALSO
    HISTORY
    AUTHORS
    BUGS


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