diff --git a/contrib/envoy/extensions/network/connection_balance/dlb/v3alpha/dlb.pb.go b/contrib/envoy/extensions/network/connection_balance/dlb/v3alpha/dlb.pb.go
index 3f53c3d6e7..095447033f 100755
--- a/contrib/envoy/extensions/network/connection_balance/dlb/v3alpha/dlb.pb.go
+++ b/contrib/envoy/extensions/network/connection_balance/dlb/v3alpha/dlb.pb.go
@@ -21,6 +21,60 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
+// The fallback policy if any error occurs.
+// The default policy is None.
+type Dlb_FallbackPolicy int32
+
+const (
+	// No fallback policy.
+	Dlb_None Dlb_FallbackPolicy = 0
+	// Fall back to Nop Connection Balance.
+	Dlb_NopConnectionBalance Dlb_FallbackPolicy = 1
+	// Fall back to Exact Connection Balance.
+	Dlb_ExactConnectionBalance Dlb_FallbackPolicy = 2
+)
+
+// Enum value maps for Dlb_FallbackPolicy.
+var (
+	Dlb_FallbackPolicy_name = map[int32]string{
+		0: "None",
+		1: "NopConnectionBalance",
+		2: "ExactConnectionBalance",
+	}
+	Dlb_FallbackPolicy_value = map[string]int32{
+		"None":                   0,
+		"NopConnectionBalance":   1,
+		"ExactConnectionBalance": 2,
+	}
+)
+
+func (x Dlb_FallbackPolicy) Enum() *Dlb_FallbackPolicy {
+	p := new(Dlb_FallbackPolicy)
+	*p = x
+	return p
+}
+
+func (x Dlb_FallbackPolicy) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (Dlb_FallbackPolicy) Descriptor() protoreflect.EnumDescriptor {
+	return file_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_proto_enumTypes[0].Descriptor()
+}
+
+func (Dlb_FallbackPolicy) Type() protoreflect.EnumType {
+	return &file_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_proto_enumTypes[0]
+}
+
+func (x Dlb_FallbackPolicy) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use Dlb_FallbackPolicy.Descriptor instead.
+func (Dlb_FallbackPolicy) EnumDescriptor() ([]byte, []int) {
+	return file_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_proto_rawDescGZIP(), []int{0, 0}
+}
+
 // The Dlb is a hardware managed system of queues and arbiters connecting producers and consumers. It is a PCIE device
 // in the CPU package. It interacts with software running on cores and potentially other devices. The Dlb implements the
 // following balancing features:
@@ -43,7 +97,8 @@ type Dlb struct {
 	Id uint32 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
 	// Maximum number of retries when sending to DLB device fails.
 	// No retry as default.
-	MaxRetries uint32 `protobuf:"varint,2,opt,name=max_retries,json=maxRetries,proto3" json:"max_retries,omitempty"`
+	MaxRetries     uint32             `protobuf:"varint,2,opt,name=max_retries,json=maxRetries,proto3" json:"max_retries,omitempty"`
+	FallbackPolicy Dlb_FallbackPolicy `protobuf:"varint,3,opt,name=fallback_policy,json=fallbackPolicy,proto3,enum=envoy.extensions.network.connection_balance.dlb.v3alpha.Dlb_FallbackPolicy" json:"fallback_policy,omitempty"`
 }
 
 func (x *Dlb) Reset() {
@@ -92,6 +147,13 @@ func (x *Dlb) GetMaxRetries() uint32 {
 	return 0
 }
 
+func (x *Dlb) GetFallbackPolicy() Dlb_FallbackPolicy {
+	if x != nil {
+		return x.FallbackPolicy
+	}
+	return Dlb_None
+}
+
 var File_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_proto protoreflect.FileDescriptor
 
 var file_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_proto_rawDesc = []byte{
@@ -105,23 +167,35 @@ var file_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_pro
 	0x5f, 0x62, 0x61, 0x6c, 0x61, 0x6e, 0x63, 0x65, 0x2e, 0x64, 0x6c, 0x62, 0x2e, 0x76, 0x33, 0x61,
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+	0x68, 0x61, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -136,16 +210,19 @@ func file_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_pr
 	return file_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_proto_rawDescData
 }
 
+var file_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
 var file_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
 var file_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_proto_goTypes = []interface{}{
-	(*Dlb)(nil), // 0: envoy.extensions.network.connection_balance.dlb.v3alpha.Dlb
+	(Dlb_FallbackPolicy)(0), // 0: envoy.extensions.network.connection_balance.dlb.v3alpha.Dlb.FallbackPolicy
+	(*Dlb)(nil),             // 1: envoy.extensions.network.connection_balance.dlb.v3alpha.Dlb
 }
 var file_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_proto_depIdxs = []int32{
-	0, // [0:0] is the sub-list for method output_type
-	0, // [0:0] is the sub-list for method input_type
-	0, // [0:0] is the sub-list for extension type_name
-	0, // [0:0] is the sub-list for extension extendee
-	0, // [0:0] is the sub-list for field type_name
+	0, // 0: envoy.extensions.network.connection_balance.dlb.v3alpha.Dlb.fallback_policy:type_name -> envoy.extensions.network.connection_balance.dlb.v3alpha.Dlb.FallbackPolicy
+	1, // [1:1] is the sub-list for method output_type
+	1, // [1:1] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
 }
 
 func init() { file_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_proto_init() }
@@ -172,13 +249,14 @@ func file_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_pr
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_proto_rawDesc,
-			NumEnums:      0,
+			NumEnums:      1,
 			NumMessages:   1,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
 		GoTypes:           file_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_proto_goTypes,
 		DependencyIndexes: file_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_proto_depIdxs,
+		EnumInfos:         file_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_proto_enumTypes,
 		MessageInfos:      file_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_proto_msgTypes,
 	}.Build()
 	File_contrib_envoy_extensions_network_connection_balance_dlb_v3alpha_dlb_proto = out.File
diff --git a/contrib/envoy/extensions/network/connection_balance/dlb/v3alpha/dlb.pb.validate.go b/contrib/envoy/extensions/network/connection_balance/dlb/v3alpha/dlb.pb.validate.go
index ac5725abaa..1650c36eb6 100755
--- a/contrib/envoy/extensions/network/connection_balance/dlb/v3alpha/dlb.pb.validate.go
+++ b/contrib/envoy/extensions/network/connection_balance/dlb/v3alpha/dlb.pb.validate.go
@@ -60,6 +60,8 @@ func (m *Dlb) validate(all bool) error {
 
 	// no validation rules for MaxRetries
 
+	// no validation rules for FallbackPolicy
+
 	if len(errors) > 0 {
 		return DlbMultiError(errors)
 	}
diff --git a/envoy/COMMIT b/envoy/COMMIT
index 6325c041b5..873aa11053 100644
--- a/envoy/COMMIT
+++ b/envoy/COMMIT
@@ -1 +1 @@
-d9ba9d17016296c50069584905dee1a19427d42e
+8a4cf41e72a201b463361be4aec4e30baf853fa2