When you modify a subnet, you can view the leases, DHCP options, and filters that are inherited from the Global DHCP Configuration. You can override these values. For more information, see Global DHCP Configuration.

To modify a subnet, complete the following:

From the Infoblox Portal, click Manage > IPAM/DHCP > Address Spaces. The list of IP spaces is displayed.
Click the respective IP Space > Address Block to view the list of subnets that are associated with it.
Click > Edit or select the respective subnet and click the Edit button to modify a subnet.
Modify the details and click Save & Close to save the subnet or click Cancel to cancel.

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