HP 830 Series Configuration Manual page 25

Auto-Configuration Server (ACS) parameters, including the ACS URL, username, and password.
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• Service provider identifier, which is acquired by the Customer Premises Equipment (CPE) from the
DHCP server and sent to the ACS for selecting vender-specific configurations and parameters.
Preboot Execution Environment (PXE) server address, which is used to obtain the bootfile or other
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control information from the PXE server.
1. Format of Option 43:
Figure 10 Format of Option 43
Network configuration parameters are carried in different sub-options of Option 43 as shown
in Figure 10.
Sub-option type—Field value can be 0x01 (an ACS parameter sub-option), 0x02 (a service
provider identifier sub-option), or 0x80 (a PXE server address sub-option).
Sub-option length—Excludes the sub-option type and sub-option length fields.
Sub-option value—Value of the sub-option.
2. Sub-option value field formats:
ACS parameter sub-option value field—Contains variable ACS URL, username, and password
separated by spaces (0x20) as shown in
Figure 11 ACS parameter sub-option value field
URL of ACS (variable)
User name of ACS (variable)
Password of ACS (variable)
Service provider identifier sub-option value field—Contains the service provider identifier.
PXE server address sub-option value field—Contains the PXE server type that can only be 0, the
server number that indicates the number of PXE servers contained in the sub-option, and server
IP addresses, as shown in
Figure 12 PXE server address sub-option value field
Figure 1
20
20
Figure 12.
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1.