diff --git a/protobuf_definitions/message_formats.proto b/protobuf_definitions/message_formats.proto
index 59066141..a6520ec6 100644
--- a/protobuf_definitions/message_formats.proto
+++ b/protobuf_definitions/message_formats.proto
@@ -883,6 +883,9 @@ message CameraParameters {
   StreamingProtocol streaming_protocol = 20; // Streaming protocol.
   Framerate framerate = 7; // Stream and recording framerate.
   Camera camera = 8; // Which camera the parameters belong to.
+
+  // Network MTU size for video streaming (bytes). If 0 or unset, the system will use a default of 1400.
+  uint32 mtu_size = 24;
 }
 
 // Available temperature units.