diff --git a/target/linux/lantiq/files/arch/mips/boot/dts/lantiq/vr9.dtsi b/target/linux/lantiq/files/arch/mips/boot/dts/lantiq/vr9.dtsi
index 1089cdc80c2..7fa2fac1ef5 100644
--- a/target/linux/lantiq/files/arch/mips/boot/dts/lantiq/vr9.dtsi
+++ b/target/linux/lantiq/files/arch/mips/boot/dts/lantiq/vr9.dtsi
@@ -448,7 +448,13 @@
 				port@6 {
 					reg = <0x6>;
 					label = "cpu";
+					phy-mode = "internal";
 					ethernet = <&eth0>;
+
+					fixed-link {
+						speed = <1000>;
+						full-duplex;
+					};
 				};
 			};