System:communicate:ethernet:whitelist:enable; System:communicate:ethernet:whitelist#:Ipaddress; System:communicate:ethernet:whitelist#:Smask - Keysight N777 C Series Programming Manual

3 Instrument Setup and Status
Command:

:SYSTem:COMMunicate:ETHernet:WHITEList:ENABle

Syntax: :SYSTem:COMMunicate:ETHernet:WHITEList:ENABle
Description: Set or enables the device access IP whitelist
Parameters: Boolean (0 | 1)
Response: None
Example: :syst:comm:eth:whitel:enab 0
Command:

:SYSTem:COMMunicate:ETHernet:WHITEList#:IPADdress?

Syntax: :SYSTem:COMMunicate:ETHernet:WHITEList#:IPADdress?
Description: Get one entry from the device access IP whitelist (up to 10 IP Addresses) of permitted client which could control this
instrument.
Parameters: None
Response: IP Address String
Example: :syst:comm:eth:whitel1:ipad? " -> 192.168.0.2"
Command: :SYSTem:COMMunicate:ETHernet:WHITEList#:IPADdress
Syntax: :SYSTem:COMMunicate:ETHernet:WHITEList#:IPADdress
Description: Define an entry in the device access IP whitelist (up to 10 IP Addresses) of permitted client which could control this
instrument.
Parameters: IP Address String
Response: None
Example: :syst:comm:eth:whitel1:ipad "192.168.0.2"
Command:

:SYSTem:COMMunicate:ETHernet:WHITEList#:SMASk?

Syntax: :SYSTem:COMMunicate:ETHernet:WHITEList#:SMASk?
Description: Get an entry in the device access ip whitelist (up to 10 IP Addresses) of permitted client which could control this instrument.
54 Keysight N777xC Series Tunable Laser Family Programming Guide