diff --git a/descpb.bin b/descpb.bin
index 7abf297..ddb9c87 100644
--- a/descpb.bin
+++ b/descpb.bin
Binary files differ
diff --git a/go/lab/peripherals.pb.go b/go/lab/peripherals.pb.go
index 8b727d8..136e655 100644
--- a/go/lab/peripherals.pb.go
+++ b/go/lab/peripherals.pb.go
@@ -51,6 +51,37 @@
 	return fileDescriptor_3da5da8c71ea9e2e, []int{0}
 }
 
+type CableType int32
+
+const (
+	CableType_CABLE_INVALID     CableType = 0
+	CableType_CABLE_AUDIOJACK   CableType = 1
+	CableType_CABLE_USBAUDIO    CableType = 2
+	CableType_CABLE_USBPRINTING CableType = 3
+)
+
+var CableType_name = map[int32]string{
+	0: "CABLE_INVALID",
+	1: "CABLE_AUDIOJACK",
+	2: "CABLE_USBAUDIO",
+	3: "CABLE_USBPRINTING",
+}
+
+var CableType_value = map[string]int32{
+	"CABLE_INVALID":     0,
+	"CABLE_AUDIOJACK":   1,
+	"CABLE_USBAUDIO":    2,
+	"CABLE_USBPRINTING": 3,
+}
+
+func (x CableType) String() string {
+	return proto.EnumName(CableType_name, int32(x))
+}
+
+func (CableType) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_3da5da8c71ea9e2e, []int{1}
+}
+
 // DUT's WiFi antenna's connection.
 // Next Tag: 3
 type Wifi_AntennaConnection int32
@@ -80,10 +111,10 @@
 }
 
 func (Wifi_AntennaConnection) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_3da5da8c71ea9e2e, []int{4, 0}
+	return fileDescriptor_3da5da8c71ea9e2e, []int{5, 0}
 }
 
-// Peripherals of device. Next Tag: 10
+// Peripherals of device. Next Tag: 12
 type Peripherals struct {
 	Servo     *Servo     `protobuf:"bytes,1,opt,name=servo,proto3" json:"servo,omitempty"`
 	Chameleon *Chameleon `protobuf:"bytes,2,opt,name=chameleon,proto3" json:"chameleon,omitempty"`
@@ -97,7 +128,11 @@
 	Carrier string `protobuf:"bytes,8,opt,name=carrier,proto3" json:"carrier,omitempty"`
 	// Indicate if the device is setup in a steady and controllable camera box environment for camera test automation.
 	// https://docs.google.com/document/d/12YqHhBuOUolA7BjVEcG4rOIVIO2pgmb4jnOEApB806Y/edit#
-	Camerabox            bool     `protobuf:"varint,9,opt,name=camerabox,proto3" json:"camerabox,omitempty"`
+	Camerabox bool `protobuf:"varint,9,opt,name=camerabox,proto3" json:"camerabox,omitempty"`
+	// Indicate if the device is setup in a chaos environment. It's a special settings for running wifi interop tests.
+	Chaos bool `protobuf:"varint,10,opt,name=chaos,proto3" json:"chaos,omitempty"`
+	// Indicate the cables that connect audio, printer to the device in ACS lab.
+	Cable                []*Cable `protobuf:"bytes,11,rep,name=cable,proto3" json:"cable,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
@@ -191,6 +226,20 @@
 	return false
 }
 
+func (m *Peripherals) GetChaos() bool {
+	if m != nil {
+		return m.Chaos
+	}
+	return false
+}
+
+func (m *Peripherals) GetCable() []*Cable {
+	if m != nil {
+		return m.Cable
+	}
+	return nil
+}
+
 // Remote power management info.
 // Next Tag: 3
 type RPM struct {
@@ -280,6 +329,45 @@
 	return CameraType_CAMERA_INVALID
 }
 
+type Cable struct {
+	Type                 CableType `protobuf:"varint,1,opt,name=type,proto3,enum=lab.CableType" json:"type,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}  `json:"-"`
+	XXX_unrecognized     []byte    `json:"-"`
+	XXX_sizecache        int32     `json:"-"`
+}
+
+func (m *Cable) Reset()         { *m = Cable{} }
+func (m *Cable) String() string { return proto.CompactTextString(m) }
+func (*Cable) ProtoMessage()    {}
+func (*Cable) Descriptor() ([]byte, []int) {
+	return fileDescriptor_3da5da8c71ea9e2e, []int{3}
+}
+
+func (m *Cable) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Cable.Unmarshal(m, b)
+}
+func (m *Cable) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Cable.Marshal(b, m, deterministic)
+}
+func (m *Cable) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Cable.Merge(m, src)
+}
+func (m *Cable) XXX_Size() int {
+	return xxx_messageInfo_Cable.Size(m)
+}
+func (m *Cable) XXX_DiscardUnknown() {
+	xxx_messageInfo_Cable.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Cable proto.InternalMessageInfo
+
+func (m *Cable) GetType() CableType {
+	if m != nil {
+		return m.Type
+	}
+	return CableType_CABLE_INVALID
+}
+
 // Next Tag: 3
 type Audio struct {
 	// Indicate if the DUT is housed in an audio box to record / replay audio
@@ -296,7 +384,7 @@
 func (m *Audio) String() string { return proto.CompactTextString(m) }
 func (*Audio) ProtoMessage()    {}
 func (*Audio) Descriptor() ([]byte, []int) {
-	return fileDescriptor_3da5da8c71ea9e2e, []int{3}
+	return fileDescriptor_3da5da8c71ea9e2e, []int{4}
 }
 
 func (m *Audio) XXX_Unmarshal(b []byte) error {
@@ -345,7 +433,7 @@
 func (m *Wifi) String() string { return proto.CompactTextString(m) }
 func (*Wifi) ProtoMessage()    {}
 func (*Wifi) Descriptor() ([]byte, []int) {
-	return fileDescriptor_3da5da8c71ea9e2e, []int{4}
+	return fileDescriptor_3da5da8c71ea9e2e, []int{5}
 }
 
 func (m *Wifi) XXX_Unmarshal(b []byte) error {
@@ -393,7 +481,7 @@
 func (m *Touch) String() string { return proto.CompactTextString(m) }
 func (*Touch) ProtoMessage()    {}
 func (*Touch) Descriptor() ([]byte, []int) {
-	return fileDescriptor_3da5da8c71ea9e2e, []int{5}
+	return fileDescriptor_3da5da8c71ea9e2e, []int{6}
 }
 
 func (m *Touch) XXX_Unmarshal(b []byte) error {
@@ -423,10 +511,12 @@
 
 func init() {
 	proto.RegisterEnum("lab.CameraType", CameraType_name, CameraType_value)
+	proto.RegisterEnum("lab.CableType", CableType_name, CableType_value)
 	proto.RegisterEnum("lab.Wifi_AntennaConnection", Wifi_AntennaConnection_name, Wifi_AntennaConnection_value)
 	proto.RegisterType((*Peripherals)(nil), "lab.Peripherals")
 	proto.RegisterType((*RPM)(nil), "lab.RPM")
 	proto.RegisterType((*Camera)(nil), "lab.Camera")
+	proto.RegisterType((*Cable)(nil), "lab.Cable")
 	proto.RegisterType((*Audio)(nil), "lab.Audio")
 	proto.RegisterType((*Wifi)(nil), "lab.Wifi")
 	proto.RegisterType((*Touch)(nil), "lab.Touch")
@@ -435,41 +525,47 @@
 func init() { proto.RegisterFile("lab/peripherals.proto", fileDescriptor_3da5da8c71ea9e2e) }
 
 var fileDescriptor_3da5da8c71ea9e2e = []byte{
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+	0x92, 0x75, 0x04, 0x00, 0x00,
 }
diff --git a/src/lab/peripherals.proto b/src/lab/peripherals.proto
index aa7500a..280bc9b 100644
--- a/src/lab/peripherals.proto
+++ b/src/lab/peripherals.proto
@@ -13,7 +13,7 @@
 
 // This proto defines setup labels in lab config of a DUT.
 
-// Peripherals of device. Next Tag: 10
+// Peripherals of device. Next Tag: 12
 message Peripherals {
   Servo servo = 1;
   Chameleon chameleon = 2;
@@ -28,6 +28,10 @@
   // Indicate if the device is setup in a steady and controllable camera box environment for camera test automation.
   // https://docs.google.com/document/d/12YqHhBuOUolA7BjVEcG4rOIVIO2pgmb4jnOEApB806Y/edit#
   bool camerabox = 9;
+  // Indicate if the device is setup in a chaos environment. It's a special settings for running wifi interop tests.
+  bool chaos = 10;
+  // Indicate the cables that connect audio, printer to the device in ACS lab.
+  repeated Cable cable = 11;
 }
 
 // Remote power management info.
@@ -51,6 +55,17 @@
   CameraType camera_type = 1;
 }
 
+enum CableType {
+  CABLE_INVALID = 0;
+  CABLE_AUDIOJACK = 1;
+  CABLE_USBAUDIO = 2;
+  CABLE_USBPRINTING = 3;
+}
+
+message Cable {
+  CableType type = 1;
+}
+
 // Next Tag: 3
 message Audio {
   // Indicate if the DUT is housed in an audio box to record / replay audio
@@ -81,4 +96,4 @@
 message Touch {
   // Has touch monitor mimo.
   bool mimo = 1;
-}
\ No newline at end of file
+}