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RedHat 9 (Linux i386) - man page for mii-tool (redhat section 8)

MII-TOOL(8)				       System Manager's Manual					  MII-TOOL(8)

NAME
mii-tool - view, manipulate media-independent interface status
SYNOPSIS
mii-tool [-v, --verbose] [-V, --version] [-R, --reset] [-r, --restart] [-w, --watch] [-l, --log] [-A, --adver- tise=media,...] [-F, --force=media] [interface ...]
DESCRIPTION
This utility checks or sets the status of a network interface's Media Independent Interface (MII) unit. Most fast ethernet adapters use an MII to autonegotiate link speed and duplex setting. Most intelligent network devices use an autonegotiation protocol to communicate what media technologies they support, and then select the fastest mutually supported media technology. The -A or --advertise options can be used to tell the MII to only advertise a subset of its capabilities. Some passive devices, such as single- speed hubs, are unable to autonegotiate. To handle such devices, the MII protocol also allows for establish- ing a link by simply detecting either a 10baseT or 100baseT link beat. The -F or --force options can be used to force the MII to operate in one mode, instead of autonegotiating. The -A and -F options are mutually exclusive. The default short output reports the negotiated link speed and link status for each interface. If an inter- face or interfaces are not specified on the command line, then mii-tool will check any available interfaces from eth0 through eth7.
OPTIONS
-v, --verbose Display more detailed MII status information. If used twice, also display raw MII register contents. -V, --version Display program version information. -R, --reset Reset the MII to its default configuration. -r, --restart Restart autonegotiation. -w, --watch Watch interface(s) and report changes in link status. The MII interfaces are polled at one second intervals. -l, --log Used with -w, records link status changes in the system log instead of printing on standard output. -F media, --force=media Disable autonegotiation, and force the MII to either 100baseTx-FD, 100baseTx-HD, 10baseT-FD, or 10baseT-HD operation. -A media,..., --advertise=media,... Enable and restart autonegotiation, and advertise only the specified media technologies. Multiple technologies should be separated by commas. Valid media are 100baseT4, 100baseTx-FD, 100baseTx-HD, 10baseT-FD, and 10baseT-HD.
AUTHORS
David Hinds - dhinds@pcmcia.sourceforge.org Donald Becker - becker@scyld.com net-tools 2000/04/25 22:58:19 MII-TOOL(8)


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