diff --git a/samples/net/echo_client/overlay-qemu_cortex_m3_eth.conf b/samples/net/echo_client/overlay-qemu_cortex_m3_eth.conf
new file mode 100644
index 00000000000..cd86bb2c105
--- /dev/null
+++ b/samples/net/echo_client/overlay-qemu_cortex_m3_eth.conf
@@ -0,0 +1,11 @@
+# Select Stellaris Ethernet
+CONFIG_NET_SLIP_TAP=n
+CONFIG_SLIP=n
+CONFIG_NET_L2_ETHERNET=y
+CONFIG_ETH_STELLARIS=y
+
+# Network Application Options
+CONFIG_NET_CONFIG_MY_IPV6_ADDR="2001:db8::2"
+CONFIG_NET_CONFIG_PEER_IPV6_ADDR="2001:db8::1"
+CONFIG_NET_CONFIG_MY_IPV4_ADDR="192.0.2.2"
+CONFIG_NET_CONFIG_PEER_IPV4_ADDR="192.0.2.1"
diff --git a/samples/net/echo_server/overlay-qemu_cortex_m3_eth.conf b/samples/net/echo_server/overlay-qemu_cortex_m3_eth.conf
new file mode 100644
index 00000000000..987015d9578
--- /dev/null
+++ b/samples/net/echo_server/overlay-qemu_cortex_m3_eth.conf
@@ -0,0 +1,11 @@
+#Stellaris eth configs
+CONFIG_NET_SLIP_TAP=n
+CONFIG_SLIP=n
+CONFIG_NET_L2_ETHERNET=y
+CONFIG_ETH_STELLARIS=y
+
+# Network application options
+CONFIG_NET_CONFIG_MY_IPV4_ADDR="192.0.2.1"
+CONFIG_NET_CONFIG_PEER_IPV4_ADDR="192.0.2.2"
+CONFIG_NET_CONFIG_MY_IPV6_ADDR="2001:db8::1"
+CONFIG_NET_CONFIG_PEER_IPV6_ADDR="2001:db8::2"