On Fri, 2023-06-23 at 09:18 +0200, Roberto Ragusa wrote:
> On 6/21/23 13:52, Patrick O'Callaghan wrote:
> > I'm trying to set up WOL for my desktop. I've enabled the feature
> > in
> > BIOS and set my router config to send magic packets on the wired
> > connection, but clearly there's something else I need to do. Wakeup
> > does work from the front panel button on the case, but nothing
> > happens
> > when I try it over the LAN.
> 
> WOL is often problematic, you should at least try to see
> - if your client is really sending the packet (sniff the network and
> check);
> if not, try to specify interface or similar options
> - if the machine has an active ethernet interface (if the LEDs on it
> or on
> the switch are off, no chance, there must be at least 10/100Mbit/s
> link active);
> if not, you have to enable WOL (or wake on event) in the BIOS, or
> with ethtool
> on a booted system
> 
> Bad experience I had in the past (or present):
> - NIC firmware bugs requiring you to send the MAC with octects in
> reverted order
> - WOL listening only after a shutdown; if the power goes away and
> comes back
> WOL doesn't work anymore (the BIOS was just "playing dead" waiting,
> but
> needing power to keep this state)

Thanks.

poc
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