[plug] Wake-on-Lan

[James Budworth]

On Thu, 9 Sep 2004, James Devenish wrote:
> In message <1094687222.3285.36.camel at Lina.zephilia.net>
> on Thu, Sep 09, 2004 at 07:47:02AM +0800, James Budworth wrote:
> > After a fair amount of testing I realised that only unicast works. 
> 
> Hmm...this is interesting. If we assume that the unicast, multicast and
> broadcast types are all referring to IPv4, then unicast should probably
> be very unreliable. On an Ethernet network, if the computer has been
> sleeping long enough, it will become unreachable except by Ethernet
> broadcast frames. Therefore, any attempts to do unicast waking will
> fail when the sender is unable to find the relevant neighbour by ARP.
> 

Hmm... this may indeed become an issue... when I was testing it only left 
the system off for a couple of minutes to make sure it wasn't immediately 
restarting.

I'll let you know how things pan out.

--
James Budworth