diff --git a/iopsys-brcm63xx-arm/disc/base-files/etc/macoffset b/iopsys-brcm63xx-arm/disc/base-files/etc/macoffset
new file mode 100644
index 0000000000000000000000000000000000000000..6f1251884094f51ad8c2b31523a1572ff0baf41d
--- /dev/null
+++ b/iopsys-brcm63xx-arm/disc/base-files/etc/macoffset
@@ -0,0 +1,12 @@
+{
+	"size" : 5,
+	"autofill": true,
+	"wireless": false,
+	"config": [
+		"network.lan",
+		"network.wan network.wan6",
+		"_WL0_",
+		"_WL1_",
+		"_WL2_"
+	]
+}