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!!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__, __--advertise=__''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 establishing 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 interface 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 ---- As at 08 May 2004, the source files can be obtained from: http://sourceforge.net/projects/pcmcia-cs/
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