Apparatuses, methods, and systems are disclosed for repeater configuration for initial access. An apparatus includes a transceiver that that receives an initial setup configuration from a base station of a mobile wireless communication network for establishing a forwarding link with a user equipment (“UE”) device, receives an initial access configuration from the base station, the initial access configuration comprising one or more configuration parameters that allow the UE to establish access to the mobile wireless communication network, and transmits feedback to the base station that indicates reception of one or more of the initial setup configuration and the initial access configuration.