An option space is a collection of options. The application supports only the predefined DHCP option space, which contains the industry standard options as well as additional options you can configure as needed:
Predefined options: These are option codes 0 to 124. They are allocated by the IANA and defined by IETF standards. The DHCP server knows these standard options, and they are predefined on the server. You cannot redefine these options or delete them from the DHCP option space.
Custom options: These are option codes 125 to 255. They are not defined by IETF standards and are available for private use. You can use these option codes to provide configuration or service information that none of the predefined options provide.
Note that custom options defined in the DHCP option space are included in the options section of the DHCP messages that DHCP servers and clients exchange.
To view the list of option spaces:
From the Cloud Services Portal, click Manage -> IPAM/DHCP -> Option Spaces.
The application displays the following information:
- NAME: The name of the option space.
- DESCRIPTION: Additional information about the option space.
You can also do the following in this tab:
Click to reorder the columns.
Click -> Edit or select the check box for the respective record and click the Edit button to modify an option space.
Click -> Delete or select the respective record and click the Delete button to delete an option space.
Select an option space to view additional details. If you do not want to view the details in the right panel, click .
Enter the value that you want to search in the Search text box. The application displays the list of records matching the keyword in the text box.
Click to filter the objects by name and description.
You can perform the following actions:
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