1220 Infinity II LC System User Manual 71
LAN Configuration
4
Automatic Configuration with BootP
How BootP Service Works
When an instrument is powered on, an LAN Interface in the instrument
broadcasts a request for an IP address or host name and provides its hardware
MAC address as an identifier. The Agilent BootP Service answers this request
and passes a previously defined IP address and host name associated with the
hardware MAC address to the requesting instrument.
The instrument receives its IP address and host name and maintains the IP
address as long as it is powered on. Powering down the instrument causes it to
lose its IP address, so the Agilent BootP Service must be running every time
the instrument powers up. If the Agilent BootP Service runs in the
background, the instrument will receive its IP address on power-up.
The Agilent LAN Interface can be set to store the IP address and will not lose
the IP address if power cycled.
Situation: Cannot Establish LAN Communication
If a LAN communication with BootP service cannot be established, check the
following on the PC:
• Is the BootP service started? During installation of BootP, the service is not
started automatically.
• Does the Firewall block the BootP service? Add the BootP service as an
exception.
• Is the LAN Interface using the BootP-mode instead of "Using Stored" or
"Using Default" modes?
Installation of BootP Service
Before installing and configuring the Agilent BootP Service, be sure to have
the IP addresses of the computer and instruments on hand.
1 Log on as Administrator or other user with Administrator privileges.
2 Close all Windows programs.
3 Insert the Agilent ChemStation software DVD into the drive. If the setup
program starts automatically, click Cancel to stop it.
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