# vmnet_start_address_key A string that represents th starting IPv4 address to use for the interface. ``` let vmnet_start_address_key: UnsafePointer ``` ## Discussion This address to use as the gateway address. The framework places subsequent address up to and including `vmnet_end_address_key` in the DHCP pool. All other addresses are available for static assignment. The address needs to meet the folloowing requirements: - The address must be in the private IP range (RFC 1918). - You must specify this along with `vmnet_end_address_key` and `vmnet_subnet_mask_key`. - It may be present in the `interface_desc` and `interface_param` dictionaries. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)