If you are using mfusion orchestrator to configure this section, please make sure the device is properly onboarded.
Go to "ORCHESTRATOR > Configuration > Gateway Devices" (or if you are configuring branch device, go to "ORCHESTRATOR > Configuration > Branch Devices").
Click on the target device ID (MAC address), to go into device configuration mode.
Network configuration consist of below major topics
Interface settings
Various interface types
IP/IPv6 addressing
DHCP Client & Server setting
Static routing
Dynamic routing
Wi-Fi setting
Please refer to individual sub-menu for the respective configurations.