diff --git a/src/DhcpBundle/Controller/DhcpController.php b/src/DhcpBundle/Controller/DhcpController.php
index b11adad..b46f948 100644
--- a/src/DhcpBundle/Controller/DhcpController.php
+++ b/src/DhcpBundle/Controller/DhcpController.php
@@ -276,139 +276,149 @@ public function getSubnets(): JsonResponse
     }
 }
 
-    /**
-     * @OA\Post(
-     *     path="/ogdhcp/v1/subnets",
-     *     summary="Add a new DHCP subnet",
-     *     @OA\RequestBody(
-     *         description="JSON payload to create a new subnet",
-     *         required=true,
-     *         @OA\JsonContent(
-     *             type="object",
-     *             @OA\Property(property="subnetId", type="integer", example=2),
-     *             @OA\Property(property="mask", type="string", example="255.255.255.0"),
-     *             @OA\Property(property="address", type="string", example="192.168.1.0"),
-     *             @OA\Property(property="nextServer", type="string", example="192.168.1.1"),
-     *             @OA\Property(property="bootFileName", type="string", example="pxelinux.0")
-     *         )
-     *     ),
-     *     @OA\Response(
-     *         response=200,
-     *         description="Subnet added successfully",
-     *         @OA\JsonContent(
-     *             type="object",
-     *             @OA\Property(property="success", type="string", example="Subnet added successfully"),
-     *             @OA\Property(property="message", type="object", 
-     *                 @OA\Property(property="subnetId", type="integer", example=2),
-     *                 @OA\Property(property="subnet", type="string", example="192.168.1.0/24"),
-     *                 @OA\Property(property="nextServer", type="string", example="192.168.1.1"),
-     *                 @OA\Property(property="bootFileName", type="string", example="pxelinux.0"),
-     *                 @OA\Property(property="reservations", type="array", @OA\Items(type="object"))
-     *             )
-     *         )
-     *     ),
-     *     @OA\Response(
-     *         response=400,
-     *         description="Error occurred while adding the subnet",
-     *         @OA\JsonContent(
-     *             type="object",
-     *             @OA\Property(property="error", type="string", example="Error: La subred con el nombre 'subnetName' ya existe.")
-     *         )
-     *     ),
-     *     @OA\Response(
-     *         response=400,
-     *         description="Error occurred while adding the subnet",
-     *         @OA\JsonContent(
-     *             type="object",
-     *             @OA\Property(property="error", type="string", example="Error: La subred con el ID 'subnetId' ya existe.")
-     *         )
-     *     )
-     * )
-     * @Route("/ogdhcp/v1/subnets", methods={"POST"})
-     */
-
-    public function addDhcpSubnet(Request $request): JsonResponse
-    {
-        try {
-            $input = json_decode($request->getContent());
-            $subnetId = (int) htmlspecialchars($input->subnetId);
-            $mask = htmlspecialchars($input->mask);
-            $address = htmlspecialchars($input->address);
-            $nextServer = htmlspecialchars($input->nextServer);
-            $bootFileName = htmlspecialchars($input->bootFileName);
-        } catch (Exception $e) {
-            $response["message"] = $e->getMessage();
-            return new JsonResponse(['error' => $response], 400);
-        }
-
-        try {
-            $response = $this->curlKeaService->executeCurlCommand('config-get');
-            $subnetName = $address . '/' . $this->curlKeaService->convertMaskToCIDR($mask);
-            $newSubnet = [
-                "id" => $subnetId,
-                "subnet" => $subnetName,
-                "next-server" => $nextServer,
-                "boot-file-name" => $bootFileName,
-                "reservations" => []
-            ];
-
-            if (!isset($response[0]['arguments']['Dhcp4']['subnet4'])) {
-                $response[0]['arguments']['Dhcp4']['subnet4'] = [];
-            }
-
-            $subnets = $response[0]['arguments']['Dhcp4']['subnet4'];
-
-            // Verificar si el nombre de la subred o el ID ya existe
-            $subnetNameExists = array_reduce($subnets, function ($exists, $subnetElement) use ($subnetName) {
-                return $exists || ($subnetElement['subnet'] === $subnetName);
-            }, false);
-            
-            $subnetIdExists = array_reduce($subnets, function ($exists, $subnetElement) use ($subnetId) {
-                return $exists || ($subnetElement['id'] === $subnetId);
-            }, false);
-            if ($subnetNameExists) {
-                $responseError = "Error: La subred con el nombre '$subnetName' ya existe.";
-                return new JsonResponse(['error' => $responseError], 400);
-            } elseif ($subnetIdExists) {
-                $responseError = "Error: La subred con el ID '$subnetId' ya existe.";
-                return new JsonResponse(['error' => $responseError], 400);
-	    } else {
-		$response[0]['arguments']['Dhcp4']['subnet4'][] = $newSubnet;
-        // Eliminar el campo 'hash' si existe
-        if (isset($response[0]['arguments']['hash'])) {
-            unset($response[0]['arguments']['hash']);
-        }
-		$array_encoded = json_encode($response[0]['arguments']);
-                $configurationParsed = str_replace('\\', '', $array_encoded);
-		$configuration = json_decode($configurationParsed);
-                $responseTest = $this->curlKeaService->executeCurlCommand('config-test', $configuration);
-
-                if ($responseTest[0]["result"] == 0) {
-                    $responseSet = $this->curlKeaService->executeCurlCommand('config-set', $configuration);
-                    if ($responseSet == false || $responseSet[0]["result"] != 0) {
-                        $responseError =  "Error al guardar la configuración en Kea DHCP: " . $responseSet[0]["text"];
-                        return new JsonResponse(['error' => $responseError], 400);
-                    } else {
-                        $responseWrite = $this->curlKeaService->executeCurlCommand('config-write', $configuration);
-                        if ($responseWrite == false || $responseWrite[0]["result"] != 0) {
-                            $responseError =  "Error al guardar la configuración en Kea DHCP: " . $responseWrite[0]["text"];
-                            return new JsonResponse(['error' => $responseError], 400);
-                        } else {
-                            $responseSuccess =  "Configuración cargada correctamente";
-                            return new JsonResponse(['success' => $responseSuccess], 200);
-                        }
-                    }
-                } else {
-                    $responseError =  "Error kea configuration invalid: " . $responseTest[0]["text"];
-                    return new JsonResponse(['error' => $responseError], 400);
-                }
-            }
-        } catch (Exception $e) {
-            $responseError =  "Error al obtener la configuración de Kea DHCP: " . $e->getMessage();
-            return new JsonResponse(['error' => $responseError], 400);
-        }
+/**
+ * @OA\Post(
+ *     path="/ogdhcp/v1/subnets",
+ *     summary="Add a new DHCP subnet",
+ *     @OA\RequestBody(
+ *         description="JSON payload to create a new subnet",
+ *         required=true,
+ *         @OA\JsonContent(
+ *             type="object",
+ *             @OA\Property(property="subnetId", type="integer", example=2),
+ *             @OA\Property(property="mask", type="string", example="255.255.255.0"),
+ *             @OA\Property(property="address", type="string", example="192.168.1.0"),
+ *             @OA\Property(property="nextServer", type="string", example="192.168.1.1"),
+ *             @OA\Property(property="bootFileName", type="string", example="pxelinux.0")
+ *         )
+ *     ),
+ *     @OA\Response(
+ *         response=200,
+ *         description="Subnet added successfully and returns the created subnet",
+ *         @OA\JsonContent(
+ *             type="object",
+ *             @OA\Property(property="success", type="string", example="Subnet added successfully"),
+ *             @OA\Property(property="message", type="object", 
+ *                 @OA\Property(property="subnetId", type="integer", example=2),
+ *                 @OA\Property(property="subnet", type="string", example="192.168.1.0/24"),
+ *                 @OA\Property(property="nextServer", type="string", example="192.168.1.1"),
+ *                 @OA\Property(property="bootFileName", type="string", example="pxelinux.0"),
+ *                 @OA\Property(property="reservations", type="array", @OA\Items(type="object"))
+ *             )
+ *         )
+ *     ),
+ *     @OA\Response(
+ *         response=400,
+ *         description="Error occurred while adding the subnet",
+ *         @OA\JsonContent(
+ *             type="object",
+ *             @OA\Property(property="error", type="string", example="Error: La subred con el nombre 'subnetName' ya existe.")
+ *         )
+ *     ),
+ *     @OA\Response(
+ *         response=400,
+ *         description="Error occurred while adding the subnet",
+ *         @OA\JsonContent(
+ *             type="object",
+ *             @OA\Property(property="error", type="string", example="Error: La subred con el ID 'subnetId' ya existe.")
+ *         )
+ *     )
+ * )
+ * @Route("/ogdhcp/v1/subnets", methods={"POST"})
+ */
+public function addDhcpSubnet(Request $request): JsonResponse
+{
+    try {
+        $input = json_decode($request->getContent());
+        $subnetId = (int) htmlspecialchars($input->subnetId);
+        $mask = htmlspecialchars($input->mask);
+        $address = htmlspecialchars($input->address);
+        $nextServer = htmlspecialchars($input->nextServer);
+        $bootFileName = htmlspecialchars($input->bootFileName);
+    } catch (Exception $e) {
+        return new JsonResponse(['error' => $e->getMessage()], 400);
     }
-    
+
+    try {
+        $response = $this->curlKeaService->executeCurlCommand('config-get');
+        $subnetName = $address . '/' . $this->curlKeaService->convertMaskToCIDR($mask);
+        $newSubnet = [
+            "id" => $subnetId,
+            "subnet" => $subnetName,
+            "next-server" => $nextServer,
+            "boot-file-name" => $bootFileName,
+            "reservations" => []
+        ];
+
+        if (!isset($response[0]['arguments']['Dhcp4']['subnet4'])) {
+            $response[0]['arguments']['Dhcp4']['subnet4'] = [];
+        }
+
+        $subnets = $response[0]['arguments']['Dhcp4']['subnet4'];
+
+        // Verificar si el nombre de la subred o el ID ya existe
+        $subnetNameExists = array_reduce($subnets, function ($exists, $subnetElement) use ($subnetName) {
+            return $exists || ($subnetElement['subnet'] === $subnetName);
+        }, false);
+
+        $subnetIdExists = array_reduce($subnets, function ($exists, $subnetElement) use ($subnetId) {
+            return $exists || ($subnetElement['id'] === $subnetId);
+        }, false);
+
+        if ($subnetNameExists) {
+            return new JsonResponse(['error' => "Error: La subred con el nombre '$subnetName' ya existe."], 400);
+        } elseif ($subnetIdExists) {
+            return new JsonResponse(['error' => "Error: La subred con el ID '$subnetId' ya existe."], 400);
+        } else {
+            $response[0]['arguments']['Dhcp4']['subnet4'][] = $newSubnet;
+
+            // Eliminar el campo 'hash' si existe
+            if (isset($response[0]['arguments']['hash'])) {
+                unset($response[0]['arguments']['hash']);
+            }
+
+            $array_encoded = json_encode($response[0]['arguments']);
+            $configurationParsed = str_replace('\\', '', $array_encoded);
+            $configuration = json_decode($configurationParsed);
+            $responseTest = $this->curlKeaService->executeCurlCommand('config-test', $configuration);
+
+            if ($responseTest[0]["result"] == 0) {
+                $responseSet = $this->curlKeaService->executeCurlCommand('config-set', $configuration);
+                if ($responseSet == false || $responseSet[0]["result"] != 0) {
+                    return new JsonResponse(['error' => "Error al guardar la configuración en Kea DHCP: " . $responseSet[0]["text"]], 400);
+                } else {
+                    $responseWrite = $this->curlKeaService->executeCurlCommand('config-write', $configuration);
+                    if ($responseWrite == false || $responseWrite[0]["result"] != 0) {
+                        return new JsonResponse(['error' => "Error al guardar la configuración en Kea DHCP: " . $responseWrite[0]["text"]], 400);
+                    } else {
+                        // Realizar una nueva consulta a Kea para obtener la subred recién creada
+                        $configGetResponse = $this->curlKeaService->executeCurlCommand('config-get');
+
+                        // Buscar la subred creada
+                        $createdSubnet = null;
+                        foreach ($configGetResponse[0]['arguments']['Dhcp4']['subnet4'] as $subnet) {
+                            if ($subnet['id'] == $subnetId) {
+                                $createdSubnet = $subnet;
+                                break;
+                            }
+                        }
+
+                        if ($createdSubnet === null) {
+                            return new JsonResponse(['error' => "Error: No se pudo encontrar la subred creada."], 400);
+                        }
+
+                        return new JsonResponse(['success' => "Subred agregada correctamente", 'message' => $createdSubnet], 200);
+                    }
+                }
+            } else {
+                return new JsonResponse(['error' => "Error en la configuración de Kea: " . $responseTest[0]["text"]], 400);
+            }
+        }
+    } catch (Exception $e) {
+        return new JsonResponse(['error' => "Error al obtener la configuración de Kea DHCP: " . $e->getMessage()], 500);
+    }
+}
+
     /**
      * @OA\Delete(
      *     path="/ogdhcp/v1/subnets/{subnetId}",
@@ -508,7 +518,7 @@ public function getSubnets(): JsonResponse
             }
         } catch (Exception $e) {
             $responseError =  "Error al obtener la configuración de Kea DHCP: " . $e->getMessage();
-            return new JsonResponse(['error' => $responseError], 400);
+            return new JsonResponse(['error' => $responseError], 500);
         }
     }
 
@@ -1090,6 +1100,140 @@ public function updateDhcpHost(Request $request, $subnetId): JsonResponse
     }
 }
 
+/**
+ * @OA\Get(
+ *     path="/ogdhcp/v1/subnets/backup",
+ *     summary="Get the latest backup configuration of Kea DHCP (only subnet4)",
+ *     @OA\Response(
+ *         response=200,
+ *         description="Latest backup configuration of Kea DHCP",
+ *         @OA\JsonContent(
+ *             type="object",
+ *             @OA\Property(property="success", type="string", example="Backup configuration retrieved successfully"),
+ *             @OA\Property(property="message", type="object", 
+ *                 @OA\Property(property="subnet4", type="array", 
+ *                     @OA\Items(
+ *                         type="object",
+ *                         @OA\Property(property="id", type="integer", example=1),
+ *                         @OA\Property(property="subnet", type="string", example="192.168.1.0/24"),
+ *                         @OA\Property(property="pools", type="array", 
+ *                             @OA\Items(
+ *                                 type="object",
+ *                                 @OA\Property(property="pool", type="string", example="192.168.1.10-192.168.1.100")
+ *                             )
+ *                         ),
+ *                         @OA\Property(property="reservations", type="array", 
+ *                             @OA\Items(
+ *                                 type="object",
+ *                                 @OA\Property(property="ip-address", type="string", example="192.168.1.20"),
+ *                                 @OA\Property(property="hw-address", type="string", example="00:0c:29:6b:5e:71")
+ *                             )
+ *                         )
+ *                     )
+ *                 )
+ *             )
+ *         )
+ *     ),
+ *     @OA\Response(
+ *         response=400,
+ *         description="Error occurred while retrieving the backup",
+ *         @OA\JsonContent(
+ *             type="object",
+ *             @OA\Property(property="error", type="string", example="No se encontraron archivos de backup")
+ *         )
+ *     )
+ * )
+ * @Route("/ogdhcp/v1/subnets/backup", methods={"GET"})
+ */
+public function getLatestBackupConfiguration(): JsonResponse
+{
+    $backup_dir = '/opt/ogdhcp/etc/kea/backup';
+    try {
+        // Obtener los archivos de backup
+        $backup_files = glob($backup_dir . '/*.conf');
+        if (empty($backup_files)) {
+            $responseError = "No se encontraron archivos de backup";
+            return new JsonResponse(['error' => $responseError], 400);
+        }
+
+        // Ordenar por fecha de modificación y obtener el más reciente
+        usort($backup_files, function ($a, $b) {
+            return filemtime($b) - filemtime($a);
+        });
+
+        // Leer el archivo más reciente
+        $backup_file = reset($backup_files);
+        $config = file_get_contents($backup_file);
+        $configuration = json_decode($config, true); // Decodificar como arreglo
+
+        if (!isset($configuration['Dhcp4']['subnet4'])) {
+            $responseError = "No se encontró el parámetro 'subnet4' en el backup";
+            return new JsonResponse(['error' => $responseError], 400);
+        }
+
+        // Devolver solo el parámetro 'subnet4'
+        $responseSuccess = "Backup configuration retrieved successfully";
+        return new JsonResponse(['success' => $responseSuccess, 'message' => ['subnet4' => $configuration['Dhcp4']['subnet4']]], 200);
+    } catch (Exception $e) {
+        $responseError = "Error al obtener la configuración de backup: " . $e->getMessage();
+        return new JsonResponse(['error' => $responseError], 400);
+    }
+}
+
+/**
+ * @OA\Post(
+ *     path="/ogdhcp/v1/backup/restore",
+ *     summary="Restore the latest DHCP configuration from backup",
+ *     description="This endpoint restores the last saved DHCP configuration from a backup file and applies it to the Kea DHCP server.",
+ *     @OA\Response(
+ *         response=200,
+ *         description="Configuration restored successfully",
+ *         @OA\JsonContent(
+ *             type="object",
+ *             @OA\Property(property="success", type="string", example="Configuración cargada correctamente")
+ *         )
+ *     ),
+ *     @OA\Response(
+ *         response=400,
+ *         description="Error occurred during the restore process",
+ *         @OA\JsonContent(
+ *             type="object",
+ *             @OA\Property(property="error", type="string", example="No se encontraron archivos de backup")
+ *         )
+ *     ),
+ *     @OA\Response(
+ *         response=400,
+ *         description="Error occurred during Kea configuration validation",
+ *         @OA\JsonContent(
+ *             type="object",
+ *             @OA\Property(property="error", type="string", example="Error al comprobar la configuración de Kea: unable to forward command to the dhcp4 service")
+ *         )
+ *     ),
+ *     @OA\Response(
+ *         response=400,
+ *         description="Error en el proceso de restauración",
+ *         @OA\JsonContent(
+ *             type="object",
+ *             @OA\Property(property="error", type="string"),
+ *         ),
+ *         examples={
+ *             "errorBackupNotFound": {
+ *                 "summary": "No se encontraron archivos de backup",
+ *                 "value": {
+ *                     "error": "No se encontraron archivos de backup"
+ *                 }
+ *             },
+ *             "errorConfigTest": {
+ *                 "summary": "Error en la configuración de Kea",
+ *                 "value": {
+ *                     "error": "Error al comprobar la configuración de Kea: Error específico"
+ *                 }
+ *             }
+ *         }
+ *     ),
+ * )
+ * @Route("/ogdhcp/v1/backup/restore", methods={"POST"})
+ */
 
     public function restoreDhcpConfiguration(): JsonResponse
     {