By default when configuring OSPF on a Mikrotik router, it will be a broadcast network type. This will work for most situations, but it uses multicasting to communicate with other ospf nodes on the network segment. For this reason it is recommended to use network type NBMA or Non Broadcast Multi Access for wireless network segments. This requires more configuration, such as specifying the neighbors manually and setting priorities.
The reason NBMA is recommended is because in