diff --git a/gradle/configure.gradle b/gradle/configure.gradle
index f8204aa..492a3fa 100644
--- a/gradle/configure.gradle
+++ b/gradle/configure.gradle
@@ -7,7 +7,7 @@ ext {
 
 	NAME = 'Jxpacket'
 	GROUP = 'com.ardikars.jxpacket'
-	VERSION = '1.2.3.RELEASE'
+	VERSION = '1.2.4.RELEASE'
 	DESCRIPTION = 'Jxpacket is a network packet crafting library for java.'
 
 	MAVEN_LOCAL_REPOSITORY = "${System.env.HOME}/.m2/repository"
@@ -24,9 +24,7 @@ ext {
 	PMD_VERION = '6.5.0'
 	JACOCO_VERSION = '0.8.2'
 
-	COMMON_VERSION = '1.2.7.RELEASE'
-	SPRING_BOOT_VERSION = '2.0.4.RELEASE'
-	PCAP4J_VERSION = '1.7.3'
+	COMMON_VERSION = '1.2.8.RELEASE'
 
 	pom_project = {
 
diff --git a/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/ip/ip6/Authentication.java b/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/ip/ip6/Authentication.java
index b28c029..ae87101 100644
--- a/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/ip/ip6/Authentication.java
+++ b/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/ip/ip6/Authentication.java
@@ -18,13 +18,12 @@
 package com.ardikars.jxpacket.core.ip.ip6;
 
 import com.ardikars.common.memory.Memory;
+import com.ardikars.common.util.Strings;
 import com.ardikars.common.util.Validate;
 import com.ardikars.jxpacket.common.AbstractPacket;
 import com.ardikars.jxpacket.common.Packet;
 import com.ardikars.jxpacket.common.layer.TransportLayer;
 
-import java.util.Arrays;
-
 public class Authentication extends AbstractPacket {
 
 	private final Authentication.Header header;
@@ -136,7 +135,7 @@ public String toString() {
 					.append("\t\tpayloadLength: ").append(payloadLength).append('\n')
 					.append("\t\tsecurityParameterIndex: ").append(securityParameterIndex).append('\n')
 					.append("\t\tsequenceNumber: ").append(sequenceNumber).append('\n')
-					.append("\t\tintegrityCheckValue: ").append(Arrays.toString(integrityCheckValue)).append('\n')
+					.append("\t\tintegrityCheckValue: ").append(Strings.toHexString(integrityCheckValue)).append('\n')
 					.toString();
 		}
 
@@ -200,6 +199,7 @@ public Packet build() {
 		public Packet build(final Memory buffer) {
 			this.nextHeader = TransportLayer.valueOf(buffer.readByte());
 			this.payloadLength = buffer.readByte();
+			buffer.readShort(); // reserved
 			this.securityParameterIndex = buffer.readInt();
 			this.sequenceNumber = buffer.readInt();
 			this.integrityCheckValue = new byte[(this.payloadLength + 2) * 4 - 12];
diff --git a/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/ip/ip6/Options.java b/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/ip/ip6/Options.java
index 2a36841..912ef68 100644
--- a/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/ip/ip6/Options.java
+++ b/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/ip/ip6/Options.java
@@ -18,12 +18,11 @@
 package com.ardikars.jxpacket.core.ip.ip6;
 
 import com.ardikars.common.memory.Memory;
+import com.ardikars.common.util.Strings;
 import com.ardikars.jxpacket.common.AbstractPacket;
 import com.ardikars.jxpacket.common.layer.TransportLayer;
 import com.ardikars.jxpacket.core.ip.Ip6;
 
-import java.util.Arrays;
-
 public abstract class Options extends AbstractPacket {
 
 	protected abstract static class Header extends Ip6.ExtensionHeader {
@@ -86,7 +85,7 @@ public String toString() {
 			return new StringBuilder()
 					.append("\t\tnextHeader: ").append(nextHeader).append('\n')
 					.append("\t\textensionLength: ").append(extensionLength).append('\n')
-					.append("\t\toptions: ").append(Arrays.toString(options)).append('\n')
+					.append("\t\toptions: ").append(Strings.toHexString(options)).append('\n')
 					.toString();
 		}
 
diff --git a/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/ip/ip6/Routing.java b/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/ip/ip6/Routing.java
index 4b6cbb8..691fb5c 100644
--- a/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/ip/ip6/Routing.java
+++ b/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/ip/ip6/Routing.java
@@ -19,13 +19,13 @@
 
 import com.ardikars.common.memory.Memory;
 import com.ardikars.common.util.NamedNumber;
+import com.ardikars.common.util.Strings;
 import com.ardikars.common.util.Validate;
 import com.ardikars.jxpacket.common.AbstractPacket;
 import com.ardikars.jxpacket.common.Packet;
 import com.ardikars.jxpacket.common.layer.TransportLayer;
 import com.ardikars.jxpacket.core.ip.Ip6;
 
-import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -133,7 +133,7 @@ public String toString() {
 					.append("\t\textensionLength: ").append(extensionLength).append('\n')
 					.append("\t\troutingType: ").append(routingType).append('\n')
 					.append("\t\tsegmentLeft: ").append(segmentLeft).append('\n')
-					.append("\t\troutingData: ").append(Arrays.toString(routingData)).append('\n')
+					.append("\t\troutingData: ").append(Strings.toHexString(routingData)).append('\n')
 					.toString();
 		}
 
diff --git a/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/ndp/NeighborDiscoveryOptions.java b/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/ndp/NeighborDiscoveryOptions.java
index b806ddc..87641af 100644
--- a/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/ndp/NeighborDiscoveryOptions.java
+++ b/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/ndp/NeighborDiscoveryOptions.java
@@ -19,6 +19,7 @@
 
 import com.ardikars.common.memory.Memory;
 import com.ardikars.common.util.NamedNumber;
+import com.ardikars.common.util.Strings;
 import com.ardikars.jxpacket.common.AbstractPacket;
 import com.ardikars.jxpacket.common.Packet;
 import com.ardikars.jxpacket.common.UnknownPacket;
@@ -26,7 +27,6 @@
 import java.io.Serializable;
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -215,7 +215,7 @@ public String toString() {
                     .append("Type: ")
                     .append(this.getType())
                     .append(", Data: ")
-                    .append(Arrays.toString(this.getData()))
+                    .append(Strings.toHexString(this.getData()))
                     .append("]").toString();
         }
 
diff --git a/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/tcp/Tcp.java b/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/tcp/Tcp.java
index b77d1e4..4d0c6c8 100644
--- a/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/tcp/Tcp.java
+++ b/jxpacket-core/src/main/java/com/ardikars/jxpacket/core/tcp/Tcp.java
@@ -18,13 +18,12 @@
 package com.ardikars.jxpacket.core.tcp;
 
 import com.ardikars.common.memory.Memory;
+import com.ardikars.common.util.Strings;
 import com.ardikars.common.util.Validate;
 import com.ardikars.jxpacket.common.AbstractPacket;
 import com.ardikars.jxpacket.common.Packet;
 import com.ardikars.jxpacket.common.layer.ApplicationLayer;
 
-import java.util.Arrays;
-
 public class Tcp extends AbstractPacket {
 
     private final Tcp.Header header;
@@ -181,7 +180,7 @@ public String toString() {
                     .append("\twindowSize: ").append(windowSize).append('\n')
                     .append("\tchecksum: ").append(checksum).append('\n')
                     .append("\turgentPointer: ").append(urgentPointer).append('\n')
-                    .append("\toptions: ").append(Arrays.toString(options)).append('\n')
+                    .append("\toptions: ").append(Strings.toHexString(options)).append('\n')
                     .toString();
         }