diff --git a/TP-02/scripts/run_netmiko.py b/TP-02/scripts/run_netmiko.py
index 12a8412..3c54400 100644
--- a/TP-02/scripts/run_netmiko.py
+++ b/TP-02/scripts/run_netmiko.py
@@ -114,16 +114,34 @@ def question_20():
 
 
 def question_21():
-    pass
+    inventory = get_inventory()
+
+    for device in inventory:
+        print(f"\n=== Connexion au routeur {device['hostname']} ({device['ip']}) ===")
+
+        try:
+            # Connexion au routeur
+            net_connect = ConnectHandler(
+                device_type=device["device_type"],
+                host=device["ip"],
+                username=device["username"],
+                password=device["password"]
+            )
+
+            # Commande à exécuter
+            command = "show run interface GigabitEthernet0/0.99"
+            output = net_connect.send_command(command)
+
+            print(f"\nConfiguration de GigabitEthernet0/0.99 sur {device['hostname']} :\n")
+            print(output)
+
+            net_connect.disconnect()
+
+        except Exception as e:
+            print(f"❌ Erreur sur {device['hostname']} : {e}")
 
 if __name__ == "__main__":    
-    r01 = {
-    'device_type': 'cisco_ios',
-    'host': '172.16.100.126',
-    'username': 'cisco',
-    'password': 'cisco'
-    }
-    net_connect = ConnectHandler(**r01)
+
  
     #question_9(net_connect)
     #question_10(net_connect)
@@ -136,7 +154,7 @@ if __name__ == "__main__":
     #question_17(net_connect)
     #question_18(net_connect)
     hosts = get_inventory()
-    "print(hosts)
-    question_20()
+    print(hosts)
+    #question_20()
     #question_21()
     net_connect.disconnect()
\ No newline at end of file