How to give WiFi users via Mikrotik wAP (RBwAP2nD) an address from under the network of an upstream router?

Question

network hardware

There is a Mikrotik wAP access point, which is connected by cable to the router (Router1) and brought outside. How to make a client connected to Mikrotik via WiFi get into the same subnet as Router1? Am I right in thinking that Mikrotik should work as an unmanaged switch that relays network settings from the upstream Router1? What is this type of connection called?

Answer 1

There is a Mikrotik wAP access point, which is connected by cable to the router (Router1) and brought outside. How to make a client connected to Mikrotik via WiFi get into the same subnet as Router1? Am I right in thinking that Mikrotik should work as an unmanaged switch that relays network settings from the upstream Router1? What is this type of connection called?

On the AP, it is best to remove the entire configuration and configure from 0, otherwise you will need to manually remove nat, firewall rules, dhcp server, etc.
In your version, you will need to specify for eth1 that the dhcp client is enabled.
A bridge must be created and two ports eth1 and wlan1 added to it.
Well, you think you are completely wrong.

Answer 2

If your router1 is also mikrotik, configure CAPsMAN.

Answer 3

There is no fundamental sense to put everything in one network. From this only harm. A more correct option is to allow access. Moreover, only those that are needed and then the attacker will not do things.
If you don't give a damn about security, you can make an Access Point from WAP