diff --git a/internal/pkg/application/util.go b/internal/pkg/application/util.go
new file mode 100644
index 0000000..866e12b
--- /dev/null
+++ b/internal/pkg/application/util.go
@@ -0,0 +1,60 @@
+/*
+* Copyright 2022-present Open Networking Foundation
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+ */
+
+package application
+
+import (
+	"errors"
+	"strconv"
+
+	"github.com/google/gopacket/layers"
+)
+
+const (
+	//EtherType8100 - EtherType dot1q
+	EtherType8100 uint8 = 0
+	//EtherType88a8 - EtherType dot1ad
+	EtherType88a8 uint8 = 1
+	//EtherType9100 - EtherType dot1ad doubleTag
+	EtherType9100 uint8 = 2
+	//EtherType9200 - EtherType dot1q doubleTag
+	EtherType9200 uint8 = 3
+)
+
+//GetMetadataForL2Protocol - returns metadata value for provide ethertype
+func GetMetadataForL2Protocol(etherType layers.EthernetType) (uint8, error) {
+	switch etherType {
+	case layers.EthernetTypeDot1Q:
+		return EtherType8100, nil
+	case layers.EthernetTypeQinQ:
+		return EtherType88a8, nil
+	case layers.EthernetTypeDot1QDoubleTag:
+		return EtherType9100, nil
+	case layers.EthernetTypeQinQDoubleTag:
+		return EtherType9200, nil
+	default:
+		return 0, errors.New("EtherType not supported")
+	}
+}
+
+func convertToUInt64(data string) uint64 {
+
+	value, err := strconv.ParseUint(data, 10, 64)
+	if err != nil {
+		return 0
+	}
+	return value
+
+}