diff --git a/util.hpp b/util.hpp
index 1d74300..2015b0c 100644
--- a/util.hpp
+++ b/util.hpp
@@ -68,6 +68,11 @@
  */
 void deleteInterface(const std::string& intf);
 
+/** @brief read the DHCP value from the configuration file
+ *  @param[in] confDir - Network configuration directory.
+ *  @param[in] intf - Interface name.
+ */
+bool getDHCPValue(const std::string& confDir, const std::string& intf);
 
 } //namespace network