diff --git a/.idea/runConfigurations/interfaces.xml b/.idea/runConfigurations/interfaces.xml
index d85606f..18e2662 100644
--- a/.idea/runConfigurations/interfaces.xml
+++ b/.idea/runConfigurations/interfaces.xml
@@ -12,7 +12,7 @@
     <option name="ADD_CONTENT_ROOTS" value="true" />
     <option name="ADD_SOURCE_ROOTS" value="true" />
     <option name="SCRIPT_NAME" value="$PROJECT_DIR$/main.py" />
-    <option name="PARAMETERS" value="interfaces" />
+    <option name="PARAMETERS" value="--config-file app.cfg.dev interfaces" />
     <option name="SHOW_COMMAND_LINE" value="false" />
     <option name="EMULATE_TERMINAL" value="false" />
     <option name="MODULE_MODE" value="false" />
diff --git a/.idea/runConfigurations/start.xml b/.idea/runConfigurations/start.xml
index d1f8447..6003451 100644
--- a/.idea/runConfigurations/start.xml
+++ b/.idea/runConfigurations/start.xml
@@ -12,7 +12,7 @@
     <option name="ADD_CONTENT_ROOTS" value="true" />
     <option name="ADD_SOURCE_ROOTS" value="true" />
     <option name="SCRIPT_NAME" value="$PROJECT_DIR$/main.py" />
-    <option name="PARAMETERS" value="start --config-file app.cfg.dev" />
+    <option name="PARAMETERS" value="--config-file app.cfg.dev start" />
     <option name="SHOW_COMMAND_LINE" value="false" />
     <option name="EMULATE_TERMINAL" value="false" />
     <option name="MODULE_MODE" value="false" />
diff --git a/main.py b/main.py
index ef60238..2b72f3c 100644
--- a/main.py
+++ b/main.py
@@ -49,7 +49,7 @@ class KeeneticAPI:
 
             self._post("/auth", json.dumps({"login": login, "password": sha.hexdigest()}))
 
-    def show_ip_route(self):
+    def get_ip_route(self):
         res, data = self._get("/rci/ip/route")
         return json.loads(data)
 
@@ -71,8 +71,13 @@ class KeeneticAPI:
 
 
 def interfaces(args):
+    config = ConfigParser.ConfigParser()
+    config.read(args.config_file)
     api = KeeneticAPI()
-    api.auth("test", "test")
+    api.auth(
+        config.get('auth', 'login'),
+        config.get('auth', 'password')
+    )
     ifaces = api.get_interfaces()
 
     max_len = 0
@@ -81,18 +86,30 @@ def interfaces(args):
         max_len = max(len(iface), max_len)
         max_len = max(len(ifaces[iface].get('description') or '-'), max_len)
 
-    print max_len
-
     print "{:^{width}} {:^{width}}".format("ID", "DESCRIPTION", width=max_len)
 
     for iface in ifaces:
         print "{:^{width}} {:^{width}}".format(iface, (ifaces[iface].get('description') or '-'), width=max_len)
 
-
 def start(args):
     config = ConfigParser.ConfigParser()
     config.read(args.config_file)
 
+    api = KeeneticAPI()
+    api.auth(
+        config.get('auth', 'login'),
+        config.get('auth', 'password')
+    )
+    old_routes = api.get_ip_route()
+
+    def filter_old_routes(item):
+        return item['comment'].startswith('[A]')
+
+    old_routes = list(filter(filter_old_routes, old_routes))
+
+    for route in old_routes:
+        api.remove_ip_route(route)
+
     routes_dir = abspath(config.get('app', 'dir'))
 
     routes = list()
@@ -125,10 +142,20 @@ def start(args):
                 else:
                     lst.append(ln)
 
+            if len(lst) > 0:
+                data.append(
+                    (lst, comment)
+                )
+
         for group in data:
             hosts, description = group
             for host in hosts:
-                ipnetwork = IPNetwork(host)
+                if not host[0].isdigit():
+                    ipnet = socket.gethostbyname(host)
+                else:
+                    ipnet = host
+
+                ipnetwork = IPNetwork(ipnet)
 
                 routes.append(
                     {
@@ -147,35 +174,22 @@ def start(args):
     )
     api.set_ip_routes(routes)
 
-    # for route in routes:
-    #    print route
-
 
 
 def main():
     parser = argparse.ArgumentParser(description="a script to do stuff")
+    parser.add_argument("--config-file", default="app.cfg")
     subparsers = parser.add_subparsers()
 
     parser_interfaces = subparsers.add_parser('interfaces')
     parser_interfaces.set_defaults(func=interfaces)
 
     parser_start = subparsers.add_parser('start')
-    parser_start.add_argument("--config-file", default="app.cfg")
     parser_start.set_defaults(func=start)
 
     args = parser.parse_args()
     args.func(args)
 
-    # api = KeeneticAPI()
-    # api.auth("test", "test")
-    # routes = api.show_ip_route()
-
-    # for r in routes:
-    #    print r['comment']
-    # hostname_data = socket.gethostbyname_ex('grafana.com')
-
-    # print hostname_data[2]
-
 
 if __name__ == "__main__":
     main()