diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dtsi b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dtsi
index 4eb459d..e72ea29 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dtsi
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dtsi
@@ -53,9 +53,23 @@
                 #address-cells = <1>;
                 #size-cells = <0>;
 
+		phy5: phy@5 {
+			compatible = "ethernet-phy-id67c9.de0a";
+			reg = <5>;
+			reset-gpios = <&pio 6 1>;
+			reset-deassert-us = <20000>;
+			phy-mode = "2500base-x";
+		};
+
+		phy6: phy@6 {
+			compatible = "ethernet-phy-id67c9.de0a";
+			reg = <6>;
+			phy-mode = "2500base-x";
+		};
+
                 switch@0 {
                         compatible = "mediatek,mt7531";
-                        reg = <0>;
+                        reg = <31>;
                         reset-gpios = <&pio 5 0>;
 
                         ports {
@@ -64,27 +78,39 @@
 
                                 port@0 {
                                         reg = <0>;
-                                        label = "lan1";
+                                        label = "lan0";
                                 };
 
                                 port@1 {
                                         reg = <1>;
-                                        label = "lan2";
+                                        label = "lan1";
                                 };
 
                                 port@2 {
                                         reg = <2>;
-                                        label = "lan3";
+                                        label = "lan2";
                                 };
 
                                 port@3 {
                                         reg = <3>;
-                                        label = "lan4";
+                                        label = "lan3";
                                 };
 
                                 port@4 {
                                         reg = <4>;
-                                        label = "wan";
+                                        label = "lan4";
+                                };
+
+                                port@5 {
+                                        reg = <5>;
+                                        label = "lan5";
+                                        phy-mode = "2500base-x";
+
+                                        fixed-link {
+                                                speed = <2500>;
+                                                full-duplex;
+                                                pause;
+                                        };
                                 };
 
                                 port@6 {
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dtsi b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dtsi
index 4fa1ba1..f8885cb 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dtsi
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dtsi
@@ -53,9 +53,23 @@
                 #address-cells = <1>;
                 #size-cells = <0>;
 
+		phy5: phy@5 {
+			compatible = "ethernet-phy-id67c9.de0a";
+			reg = <5>;
+			reset-gpios = <&pio 6 1>;
+			reset-deassert-us = <20000>;
+			phy-mode = "2500base-x";
+		};
+
+		phy6: phy@6 {
+			compatible = "ethernet-phy-id67c9.de0a";
+			reg = <6>;
+			phy-mode = "2500base-x";
+		};
+
                 switch@0 {
                         compatible = "mediatek,mt7531";
-                        reg = <0>;
+                        reg = <31>;
                         reset-gpios = <&pio 5 0>;
 
                         ports {
@@ -64,27 +78,39 @@
 
                                 port@0 {
                                         reg = <0>;
-                                        label = "lan1";
+                                        label = "lan0";
                                 };
 
                                 port@1 {
                                         reg = <1>;
-                                        label = "lan2";
+                                        label = "lan1";
                                 };
 
                                 port@2 {
                                         reg = <2>;
-                                        label = "lan3";
+                                        label = "lan2";
                                 };
 
                                 port@3 {
                                         reg = <3>;
-                                        label = "lan4";
+                                        label = "lan3";
                                 };
 
                                 port@4 {
                                         reg = <4>;
-                                        label = "wan";
+                                        label = "lan4";
+                                };
+
+                                port@5 {
+                                        reg = <5>;
+                                        label = "lan5";
+                                        phy-mode = "2500base-x";
+
+                                        fixed-link {
+                                                speed = <2500>;
+                                                full-duplex;
+                                                pause;
+                                        };
                                 };
 
                                 port@6 {
diff --git a/target/linux/mediatek/mt7986/base-files/etc/board.d/02_network b/target/linux/mediatek/mt7986/base-files/etc/board.d/02_network
index 7820f11..0fd89a5 100755
--- a/target/linux/mediatek/mt7986/base-files/etc/board.d/02_network
+++ b/target/linux/mediatek/mt7986/base-files/etc/board.d/02_network
@@ -15,7 +15,7 @@
 			"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "6u@eth0" "5u@eth1"
 		;;
 	*)
-		ucidef_set_interfaces_lan_wan "lan0 lan1 lan2 lan3" wan
+		ucidef_set_interfaces_lan_wan "lan0 lan1 lan2 lan3 lan4 lan5" eth1
 		;;
 	esac
 }