LAN Configuration
l Most corporate LANs have a DHCP server.
l If DHCP LAN address not assigned by DHCP server, static IP is assumed after approximately two minutes.
l This setting is non-volatile; it will not be changed by power cycling or *RST.
l Enabled when the instrument is shipped from the factory or after SYSTem:SECurity:IMMediate.
SYSTem:COMMunicate:LAN:DNS[1|2] "<address>"
SYSTem:COMMunicate:LAN:DNS[1|2]? [{CURRent|STATic}]
Assigns static IP addresses of Domain Name System (DNS) servers. A primary and a secondary server address may be
assigneContact your LAN administrator for details.tails. If DHCP is available and enabled, DHCP will auto-assign the
DNS server addresses. These auto-assigned DNS server addresses take precedence over the static DNS addresses
assigned with this command.
If you change this setting, you must send SYSTem:COMMunicate:LAN:UPDate to acti-
vate the new setting.
Parameter Typical Return
Command:"nnn.nnn.nnn.nnn", default "0.0.0.0"
Query: {CURRent|STATic}, default CURRent
"198.105.232.4"
Set a static primary DNS address:
SYST:COMM:LAN:DNS "198.105.232.4"
SYST:COMM:LAN:UPD
l CURRent: read address currently being used by the instrument.
l STATic: read static address from non-volatile memory. This address is used if DHCP is disabled or unavailable.
l This setting is non-volatile; it will not be changed by power cycling or *RST.
l Set to "0.0.0.0" by SYSTem:SECurity:IMMediate.
SYSTem:COMMunicate:LAN:DOMain?
Returns the domain name of the LAN to which the instrument is connected.
Parameter Typical Return
(none) "example.com"
Return domain name being used by instrument:
SYST:COMM:LAN:DOM?
l If Dynamic domain name System (DNS) is available on your network and your instrument uses DHCP, the domain
name is registered with the Dynamic DNS service at power-on.
l A null string ("") indicates that no domain name is assigned.
Agilent 33500 Series Operating and Service Guide 309
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