Which command to assign manualy IP to EX series using CLI?

xCommand is the namespace for invoking runtime actions and one-time operations on Cisco endpoints, not for configuring persistent settings like IP addresses.

This syntax follows Cisco IOS CLI conventions and is not valid on Cisco TelePresence EX series endpoints, which use an entirely different command framework.

While xConfiguration is correct, appending 'NIC0' is invalid syntax for EX series endpoints because the Network IPv4 Address parameter does not accept a NIC interface qualifier in that position.

xConfiguration is the correct CLI namespace on Cisco Collaboration endpoints for setting persistent device parameters, and 'xConfiguration Network IPv4 Address:' is the valid syntax for manually assigning an IP address on EX series devices without an extraneous NIC specifier.