You can configure the firewall interface to act as a
DHCP client and receive a dynamically assigned IP address. The firewall
also provides the capability to propagate settings received by the
DHCP client interface into a DHCP server operating on the firewall.
This is most commonly used to propagate DNS server settings from
an ISP to client machines operating on the network protected by
DHCP client is not supported in HA active/active mode.