[OLSR-users] Getting started with OLSR

lee hughes (spam-protected)
Tue Jul 26 13:16:36 CEST 2005

after playing with oslr on friefunk firmware, I've found the following.

If I use different subnets for the wireless side (10.x.x.x) and lan
side (192.168.x.x) then olsr only seem to distribute 10.x.x.x routes,
clients on the lan can only communicate if the use nat to the wireless
side, i.s. they inherit the 10.x.x.x address of the router. using the
setup guide at http://www.vdomck.org/blog/ .my lan side is in the
range 192.168.x.x, with nat disabled the only way I've found to
'inject' the lan routes into the mesh is to use hna4, but is that not
used for distributed internet gateways???

is there a better solution, or is this 'the' solution ;-).

I've got a feeling that I should be start my olsrd on more than one
interface, i.e., the wireless and the lan side, and then use hna4 only
for the 'internet port' , to my default gateway to the internet.


On 7/25/05, Mike McKay <(spam-protected)> wrote:
> Sven-Ola Tuecke wrote:
> > Mike,
> >
> > the link you mentioned states, that the HNA4 settings is working
> > unexpectedly. Too bad. You do not need this normally. Additionally, the
> > author has not investgated deep enough. He tried to manually change the
> > olsrd.conf - but this file is under control. You need to use the Web UI,
> > theres /etc/local.olsrd.conf and /etc/local.olsrd.conf.[iface] for
> > additions.
> Hmm. HNA4 - yeah I was a bit confused about this one - see below...
> > If thats all you needed to read for mesh setup, I will call it a great
> > success :)
> Yeah, I would definitely call it a success. Of course I am far from
> understanding it all - but that is where great default settings help
> thos like me. Thanks!
> > Anyhow, people tend to fiddle with HNA4 setting and manual routes too
> > much. Note: The Freifunk Firmware does not allow you to configure an
> > unworking/blocked standard gateway aka. Default Route. If you have a
> > working manual defroute (with Metric==0), the "internet here"
> > anncouncement is switched on automatically with a simple
> > dyn-gateway-plugin. If your defroute is not working, it's placed in a
> > second background routing table - so the cron job can check if inet is
> > coming back and reannounce HNA4.
> >
> > If you plan to include other link techniques: That's easy. Just plug in
> > the ethernet wire of the link technique and assign a mesh-compatible IP.
> > Which link technique? Does not matter (e.g. ethernet as well as
> > http://www.faqs.org/rfcs/rfc1149.html should work) as long as the OLSR
> > broadcast datagram goes through).
> At the moment I want every client connected via either the ethernet
> interface or via the wireless interface to be able to ping one another.
> It sounds like I should take out my HNA4 settings completely - is that
> right?
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