diff --git a/ethernet_interface.hpp b/ethernet_interface.hpp
index 7192e26..abaf43e 100644
--- a/ethernet_interface.hpp
+++ b/ethernet_interface.hpp
@@ -85,7 +85,7 @@
      *                          send.
      */
     EthernetInterface(sdbusplus::bus::bus& bus, const std::string& objPath,
-                      bool dhcpEnabled, Manager& parent,
+                      DHCPConf dhcpEnabled, Manager& parent,
                       bool emitSignal = true);
 
     /** @brief Function used to load the nameservers.
@@ -155,7 +155,13 @@
     }
 
     /** Set value of DHCPEnabled */
-    bool dHCPEnabled(bool value) override;
+    DHCPConf dHCPEnabled(DHCPConf value) override;
+
+    /** @brief Selectively disables DHCP
+     *  @param[in] protocol - The IPv4 or IPv6 protocol to return to static
+     *                        addressing mode
+     */
+    void disableDHCP(IP::Protocol protocol);
 
     /** Retrieve Link State */
     bool linkUp() const override;
@@ -316,6 +322,28 @@
     std::string objPath;
 
     friend class TestEthernetInterface;
+
+  private:
+    /** @brief Determines if DHCP is active for the IP::Protocol supplied.
+     *  @param[in] protocol - Either IPv4 or IPv6
+     *  @param[in] ignoreProtocol - Allows IPv4 and IPv6 to be checked using a
+     *                              single call.
+     *  @returns true/false value if DHCP is active for the input protocol
+     */
+    bool dhcpIsEnabled(IP::Protocol protocol, bool ignoreProtocol = false);
+
+    /** @brief Determines if DHCP will be active following next reconfig
+     *  @param[in] protocol - Either IPv4 or IPv6
+     *  @param[in] nextDHCPState - The new DHCP mode to take affect
+     *  @returns true/false value if DHCP is active for the input protocol
+     */
+    bool dhcpToBeEnabled(IP::Protocol family, const std::string& nextDHCPState);
+
+    /** @brief Determines if the address is manually assigned
+     *  @param[in] origin - The origin entry of the IP::Address
+     *  @returns true/false value if the address is static
+     */
+    bool originIsManuallyAssigned(IP::AddressOrigin origin);
 };
 
 } // namespace network