[c-nsp] Wake on Lan over layer 3 hops

Randy randy_94108 at yahoo.com
Tue Nov 27 16:55:16 EST 2012


--- On Tue, 11/27/12, Saku Ytti <saku at ytti.fi> wrote:

> From: Saku Ytti <saku at ytti.fi>
> Subject: Re: [c-nsp] Wake on Lan over layer 3 hops
> To: cisco-nsp at puck.nether.net
> Date: Tuesday, November 27, 2012, 12:02 PM
> On (2012-11-27 11:44 -0800), Scott
> Voll wrote:
> 
> > I need to be able to send a magic packet over three
> layer 3 hops.  Can this
> > be done?  all I'm finding is an ip directed
> broadcast on a simple layer 3
> > switch.
> 
> You send it to L3 broadcast address, which will make the
> edge router send
> it as l2 broadcast.
> Remember to enable directed-broadcast forwarding with ACL,
> allowing only
> the WOL originating host.
> 
> -- 
>   ++ytti

umm..since it is over three L3 hops, wouldn't OP also need - 
ip helper-address <broadcast ip of dest_subnet> at the source in addition to the above?

./Randy



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