TCP/IP Information
Copyright (C) 1997, 1998 by International Business Machines Corporation

DHCP Server Configuration


DHCP Options tab

Use this tab to build a list of DHCP options. You can define:

You cannot:

Note:

The DHCP Server Configuration program has one set of option definitions per DHCP server. Therefore, if you reformat an option, the new format is applied to any configuration file subsequently opened with the DHCP Server Configuration program for the server.

Push buttons on this tab are:

New
Click New to define an option format.

Edit
Click Edit to modify an existing option.

Delete
Click Delete to remove an option from the list of available options.

Remove from this item
Click Remove From This Item to remove the option from the list of options specified for this item.

Fields and other information include:

Available Options
Lists the formatted DHCP options (options with defined formats), including the RFC-architected options and any options for which you have defined formats. Sort the DHCP options by option number, alphabetically, or by used/unused options. An unused option is an option that has never been specified for any item in the configuration. To work on an option, click the option.

For more information about options, see the online book DHCP Server Administration.

Option Value
After you select an option, the Option Value section on the notebook tab displays the option number, its short title, at what level (scope) the option is defined, and the value of the option. For example, the current value might be an IP address or a value such as enabled/disabled. A value might already exist at a global level for subnets, clients, and other DHCP items. This display changes, depending on the type of option you click.

Note:

If an option cannot be configured or cannot be configured here, you see a message. If the option cannot be configured here, it is configured elsewhere in the notebook.

Option Description
This field displays the purpose of the option, as described in an RFC or in a vendor-specific description.


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