diff --git a/xyz/openbmc_project/Network/EthernetInterface.interface.yaml b/xyz/openbmc_project/Network/EthernetInterface.interface.yaml
index 9d7dfe6..2c3c108 100644
--- a/xyz/openbmc_project/Network/EthernetInterface.interface.yaml
+++ b/xyz/openbmc_project/Network/EthernetInterface.interface.yaml
@@ -71,6 +71,21 @@
           boolean value is TRUE when the network cable is inserted, or there
           is a carrier signal. It is FALSE when the cable is unplugged, or the
           carrier signal is missing.
+    - name: DefaultGateway
+      type: string
+      description: >
+          Default IPv4 gateway of the ethernet interface.
+      errors:
+        - xyz.openbmc_project.Common.Error.InvalidArgument
+    - name: DefaultGateway6
+      type: string
+      description: >
+          Default IPv6 gateway of the ethernet interface.
+          For supported address formats refer RFC 2373.
+          Refer below man page for both v4 and v6 address format details
+          https://man7.org/linux/man-pages/man3/inet_pton.3.html
+      errors:
+        - xyz.openbmc_project.Common.Error.InvalidArgument
 
 enumerations:
     - name: LinkLocalConf