Help with batman-adv

is this the EAP-225 from this post ?

This is also a good tutorial for batman-adv configuration on OpenWRT :
it will be easier to give configs if we know what "layout" your network is or what you are trying to achieve for example with only 2 mesh devices ( I made the drawing with ) :

or with 3 ( and more) devices

You can also search the forum for @jeff 's posts to fond many BATMAN related posts and configs