Table Of Contents; How It Works - HP Compaq t5125 Introduction Manual

Advantages and implementation of dhcp-enabled hp automatic system update

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HP Automatic System Update is broken down into four stages:

TC → DHCP Discover a DHCP server

TC ← DHCP DHCP Server responds with FTP location

TC → FTP

Thin client searches FTP server for file(s)

TC ← FTP

FTP server sends file(s)

NOTE:

If the network environment uses static IP addresses, the thin client can bypass Stages 1 and 2. Figure 3

shows how one would configure System Update without the use of DHCP.

Because HP has preconfigured its release of CE 5.0 to be DHCP-enabled for system updates, customers

can immediately and automatically deploy image and/or software updates and/or system configurations

with minimal effort using an FTP server.

The thin client determines the file server and file path locations by referencing two DHCP Options

numbers. By default, these DHCP Option numbers are 161 (FTP Server Address) and 162 (FTP File Path).

The thin client displays this information in the DHCP Options applet under the control panel (see

Figure 1).

Figure 1

Verifying that FTP information from the DHCP server is correct

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