On 6/27/05, Emiliano Castagnari <ecastag@xxxxxxxxx> wrote:
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> El [ Sat 25, Jun 05 - 13:52 ] , Anindya Mozumdar expreso:
> > Hi,
> > I have a Intel EtherExpress/100 ethernet card. I would like to
> > change the media type to 10base2. However, any attempt of doing this
> > using ifconfig gives the error Operation Not Supported. Is there any
> > way I can change this ?
>
> Try mii-tool, to do so, you should first find out what capabilities this
> card supports. To do that, you could issue the command 'mii-tool <dev> -vv'.
>
> This is the output for one of my network cards:
>
> - -=|[@lambda - root]: /]#> mii-tool eth0 -vv
> Using SIOCGMIIPHY=0x8947
> eth0: negotiated 100baseTx-FD, link ok
> registers for MII PHY 1:
> 3100 786d 0000 8201 01e1 45e1 0001 0000
> 0000 0000 0000 0000 0000 0000 0000 0000
> 000c 0080 0000 0023 0c59 0406 0200 8560
> 8a7b 01f9 0000 0000 0000 0000 0000 0000
> product info: vendor 00:00:20, model 32 rev 1
> basic mode: autonegotiation enabled
> basic status: autonegotiation complete, link ok
> capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
> advertising: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
> link partner: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
>
> To change it, you could do something like this "mii-tool <dev> -F <media>", where
> media is one of the supported capabilities.
>
> Not every capability listed is always available. If this network card is attached to
> a switch port that is not in autonegotiation mode, then you'll have to change this,
> either to force it to the selected media type, or to be in autonegotiation mode.
>
> Cheers !!
> - --
> # Emiliano Castagnari
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If mii-tool doesn't work for you , try ethtool
--
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Alexander Economou
Systems & Network
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