Re: [Etherboot-developers] Wake-on-LAN patch

[Christoph P. <chr...@al...>]

I have not followed this discussion. But if there is a good code
and only the site specific address is a problem, then I have following
suggestion:
	The option can be enabled by this config file of the
built process (`Config'), and the MAC address *must* be given as
make variable in the built. The make has to stop with error, if
the variable is not set AND the option is selected, like

	make MAC_ADDR="xx:xx:xx:xx:xx:xx"

or whatever the MAC address should be to use it in the code....

Cheers
	Christoph P.



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Markus Gutschke wrote:
> 
> > I'm not interested in incorporating the patch into the mainstream
> > because it requires that the MAC address of the server be hardwired into
> > the ROM, making the ROM very site specific.
> 
> I share Ken's sentiment about not making the ROM site-specific, but
> I think there is a workaround, that might be acceptable to some users.
> I have not been able to find an authoratitive specification for the
> Wake-On-Lan protocol, but it does appear that both broadcast and
> multicast packages are supported. How about sending broadcast packages
> from within etherboot, whenever we fail to detect a running BOOTP/DHCP
> server?
> 
> I guess, multicast requests would be even better, but not only does
> this seem to be a feature that only few NICs support, it is also not
> quite clear to me, how you'd set it up so that a particular NIC joins
> a multicast group. Also, which group should we use? Is there a
> standard? If not, how difficult is it these days to have IANA allocate
> a group for us?
> 
> Markus
> 
> --
> Markus Gutschke                                Resonate, Inc.
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