MII-DIAG(8)                                           MII-DIAG(8)



NAME
       mii-diag  - Examine and set the MII registers of a network
       interface

SYNOPSIS
       mii-diag [options]

DESCRIPTION
       mii-diag is a program that you can  use  to  diagnose  and
       solve most problems with network interfaces.

OPTIONS
       These  programs  follow the usual GNU command line syntax,
       with long options starting with two dashes (`-').  A  sum-
       mary of options is included below.

       -h, -? --help
              Show summary of options.

       -v, --version
              Show version.

       -V, --verbose
              Verbose mode

       -D, --debug
              Debug mode

       -a, --all
              Show all interfaces

       -A, --Advertise [Mode]
              Change  the capabilities advertised by your network
              interface.  Currently  the  following   modes   are
              allowed:    100baseT4,    100baseTx   100baseTx-FD,
              100baseTx-HD, 10baseT, 10baseT-FD and 10baseT-HD.

       -f, --force
              Force the operation

       -F, --fixedspeed
              Force your network interface to a speed mode.  Cur-
              rently  the following modes are allowed: 100baseT4,
              100baseTx  100baseTx-FD,   100baseTx-HD,   10baseT,
              10baseT-FD and 10baseT-HD.

       -G, --parameters
              Write general settings value. Only use this, if you
              know what you are doing!

       -p, --phy
              Set the PHY (MII address) to  from  which  mii-diag
              generates the report.

       -r, --restart
              Restart the link negotiation.

       -R, --Reset
              Reset the transceiver.

       -s, --status
              Do return non-zero if no link beat is found.

       -w, --watch
              Constantly  monitor  the  port  and  print  out any
              changes.

SEE ALSO
       Understanding     MII     Tranceiver     Status      Info:
       http://scyld.com/expert/mii-status.html

AUTHOR
       mii-diag  was  written  and  is still maintained by Donald
       Becker <becker@scyld.com>.  This manual page  was  written
       by Alain Schroeder <alain@parkautomat.net>, for the Debian
       GNU/Linux system (but may be used by others).



                        February 10, 2002             MII-DIAG(8)