[plug] Network card works yesterday, not today

James Devenish devenish at guild.uwa.edu.au
Sat Jun 26 17:25:18 WST 2004


In message <20040626085915.GU4059 at patrick.wattle.id.au>
on Sat, Jun 26, 2004 at 04:59:15PM +0800, Cameron Patrick wrote:
> Nothing particularly exciting, though it appears to think that it
> /does/ have a cable connected:
> 
> Settings for eth0:
>         Supports Wake-on: g
>         Wake-on: d
>         Link detected: yes

The wake-on information indicates "wake-on-LAN" status. Basically, the
driver thinks that the card supports "wake on MagicPacket" (i.e. a
packet sent to IPv4 broadcast address with the interface's MAC address)
but that the use of this feature is disabled.

As for 'link detected'...does it still say that if you unplug the cable?
What if you've got a crossover cable and it doesn't detect the mistake
unless using Windows or something (actually, I would have thought all
the autodetection would have been done in hardware and therefore not
dependent on the software driver, except if you are forcing manual
configuration). It's a shame that the driver seems to make so little
information available. I'm guessing the switch is not one from which you
can readily obtain information about /its/ interpretation of status? I'm
just stabbing in the dark here, but I suppose you could try using
ethtool to force the interface to use particular characteristics and see
if the link light status changes. <shrug>





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