diff --git a/check_eth.sh b/check_eth.sh
new file mode 100644
index 0000000..91a5dfd
--- /dev/null
+++ b/check_eth.sh
@@ -0,0 +1,17 @@
+## nano /root/check_eth.sh && chmod +x /root/check_eth.sh
+
+#!/bin/bash
+
+INTERFACE="eth0"
+TIMEOUT=300 # 5 minutes en secondes
+
+if ! ifconfig $INTERFACE | grep -q "inet " ; then
+    echo "Ethernet down, checking for $((TIMEOUT/60)) minutes..."
+    sleep $TIMEOUT
+    if ! ifconfig $INTERFACE | grep -q "inet " ; then
+        echo "Ethernet still down, shutting down..."
+        shutdown -h now
+    fi
+fi
+
+