functionality: you want to extend a LAN wireless with a simple access-point whithin the same subnet with DHCP relay.
what you have to do is:
that’s it.
Is there a question here?
Well obviousley not but it answers my problem when I first got a Mikrotik thingi in my hand and started playing with it. So I thought I put here what I was looking for. Might help others.
That is what the wiki is for…