I have a RPI3 with 2 external WLANs (wlan0 and wlan1) which work perfectly as WLAN Repeater (wlan0 gets signal from router) and wlan1 is set as hostAP...done via NAT iptables. no bridge in interfaces.config.
Now I need to add an ethernet client to the eth0 of the RPI which gives me massive problems....not sure if I do it all right but no packets sent to eth0 or the client connected to eth0.
My feeling is that if I do NAT via iptables and in parallel setup a bridge br0 between wlan0 and eth0....still IPtables will decline packets to be sent within the bridge....
Can anyone help with an example how this would work if wlan0 is from 192.168.1.x network....so the client behind eth0 should also receive a dhcp address from the router. and wlan1 is an AP that spans a new network (NATed) 172.16.1.x...which also holds a seperate isc-dhcp-server.
Thanks for some feedback and maybe hints how this would work togehter....if at all i still need the br0 or in the case of existing iptables between wlan0 and wlan1 i only have to extend iptables rules to make the bridge between wlan0 and eth0 work. Regards Norbert