Update to Bridges

ros_bridge.py

@@ -20,7 +20,7 @@ from std_msgs.msg import String
 class ROS2SimulatorBridge(Node):
     """Bridges ROS 2 topics to UDP-based simulator."""
 
-    DEFAULT_SIMULATOR_HOST = '127.0.0.1'
+    DEFAULT_SIMULATOR_HOST = '0.0.0.0'
     DEFAULT_SIMULATOR_PORT = 5555
     SOCKET_TIMEOUT = 0.1
     RECEIVE_BUFFER_SIZE = 4096
@@ -171,8 +171,10 @@ Examples:
         """
     )
     parser.add_argument(
-        '--host', '-H', type=str, default='127.0.0.1',
-        help='IP address of the simulator (default: 127.0.0.1)'
+        '--host', '-H',
+        type=str,
+        default='0.0.0.0',
+        help='Simulator host IP address (default: 0.0.0.0)'
     )
     parser.add_argument(
         '--port', '-p', type=int, default=5555,