diff --git a/internal/common/omci/omci_base.go b/internal/common/omci/omci_base.go
index e74ec4a..7a9f499 100644
--- a/internal/common/omci/omci_base.go
+++ b/internal/common/omci/omci_base.go
@@ -18,6 +18,7 @@
 
 import (
 	"encoding/binary"
+	"encoding/hex"
 	"errors"
 	"fmt"
 	"github.com/google/gopacket"
@@ -73,3 +74,10 @@
 	}
 	return p
 }
+
+//HexEncode convert binary to hex
+func HexEncode(omciPkt []byte) ([]byte, error) {
+	dst := make([]byte, hex.EncodedLen(len(omciPkt)))
+	hex.Encode(dst, omciPkt)
+	return dst, nil
+}