Become superuser on the client system.
If you used a sysidcfg file to preconfigure the system, remove the dhcp subkey from the network_interface keyword.
See the sys-unconfig(1M) man page for more information about the configuration information that is removed by this command.
Reboot the system after shutdown is complete.
If the system uses preconfiguration, you are not prompted for configuration information, and the DHCP client is not configured.
If the system does not use preconfiguration, you are prompted for system configuration information by sysidtool programs when the system reboots. See the sysidtool(1M) man page for more information.
When prompted to use DHCP to configure network interfaces, specify No.