How to configure 3 lora gateways to a single lora server

Hi,

Am new to this lora server , i have 3 separate Laird Lora gateway , i need to configure it to same lora server , how to configure it ?

please guide me on this.

https://www.loraserver.io/guides/first-gateway-device/

Thank you ,

Can I configure same network server to different gateway ?