[Olsr-users] interconnecting nodes with cable

Henning Rogge (spam-protected)
Wed Sep 30 09:42:41 CEST 2009

On Sat, Sep 26, 2009 at 14:33, Jan Groenewald <(spam-protected)> wrote:
> Hi
> Running 60 nodes on a freifunk1.6.36 network with one gateway.
> From: http://ipkg.berlin.freifunk.net/README.txt
> To interconnect two nodes with an ethernet wire, this setup is easy:
> Connect two nodes via WAN port. Configure both WAN/IP with a narrow
> netmask using 4 IPs out of the mesh range. Example ( used
> in mesh): Node1/WAN has and Node2/WAN has
> Of course the Wifi IP is not in the
> 64/65/66/67 range of this mini network segment. Firewall+NAT between the
> to WAN ports is open then, Firewall on LAN still active. OLSR is used
> to route automatically through WAN/WAN if this connection has lower packet
> loss. May be optimized with Admin/OLSR/Filter to exclude the neighbours
> wifi IP address.
> This works great, except that a cost of 1 is added to the sum in the routing
> calculation?
At the moment there is a minimal cost of each edge in the topology graph.

After the switch to OLSRv2 we might be able to solve the problem. We
have to change the way we exchange linkcost information, and we really
don't want to do it two times. ;)


"Wo kämen wir hin, wenn alle sagten, wo kämem wir hin, und niemand
ginge, um einmal zu schauen, wohin man käme, wenn man ginge." (Kurt

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