On Sunday 15 June 2014 18:45:54 michael.holcman1@free.fr wrote:
> Yes, this on open wrt.

Then please read our documentation. This page explains what needs to be done 
to get batman-adv working on OpenWrt:

http://www.open-mesh.org/projects/batman-adv/wiki/Building-with-openwrt

This page explains the configuration settings in greater detail:

http://www.open-mesh.org/projects/batman-adv/wiki/Batman-adv-openwrt-config

Cheers,
Marek