Conundrum - XO connected to AP + Mesh?

[Erik Garrison]

On Mon, Nov 24, 2008 at 12:07:03AM -0500, John Watlington wrote:
> 
> On Nov 23, 2008, at 9:00 PM, Ian Daniher wrote:
> 
> > Hello all,
> > I've been asking on #olpc-devel the last few days, trying to figure  
> > out how to connect my XO simultaneously to both a mexh network and  
> > to an AP.
> > My goal is to have the same XO able to surf the internet and ssh  
> > into meshed XOs. Whether or not this XO acts as an MPP, providing  
> > other XOs with internet, is irrelevant.  I hope to do this as  
> > simply as possible via terminal. I'm guessing there's some magic  
> > recipe of ifconfig and iwconfig commands, but no one seems to know  
> > what it is.
> > My goal is to do this without network manager.
> 
> Hmm.   Have you just tried it ?  It works for me.
> 
> With release 8.2, the mesh interface is still up and available when  
> connected to an AP.
> Address the laptops on a mesh network on the same channel via their  
> self-assigned
> addresses (169.254.x.x) and you can ping and ssh them from an AP  
> connected XO
> without problems.

I for one would very much like to understand the dependencies of this
setup...

For instance, where are the self-assigned IP addresses coming from?  How
do you get a list of XOs -> IPs in the mesh neighborhood from the
command line?  (There was a script floating around the ml to do the
latter but I can't find it now.)

Erik