diff --git a/Internetworking.zip b/Internetworking.zip
new file mode 100644
index 0000000000000000000000000000000000000000..65c5ff488dc246cf0597bc8de544bcfd470f7375
Binary files /dev/null and b/Internetworking.zip differ
diff --git a/src/main/java/cp/CPCookie.java b/src/main/java/cp/CPCookie.java
index 161efa8b9fd284f1d194142d2629dd2519a60124..cd8ed74a6bb59d907fab4ab00146f52d96d028a1 100644
--- a/src/main/java/cp/CPCookie.java
+++ b/src/main/java/cp/CPCookie.java
@@ -1,4 +1,19 @@
 package cp;
 
 public class CPCookie {
+
+    private int cookie;
+    private long createdAt;
+    CPCookie(long createdAt, int cookie){
+        this.createdAt = createdAt;
+        this.cookie = cookie;
+    }
+
+    public int getCookie() {
+        return cookie;
+    }
+
+    public long getCreatedAt() {
+        return createdAt;
+    }
 }
diff --git a/src/main/java/cp/CPProtocol.java b/src/main/java/cp/CPProtocol.java
index b44babeb6ff99c606df7625387a90ecfdbbb2542..44cfc8c02c240201b4daa8e373011ffbc93b7d59 100644
--- a/src/main/java/cp/CPProtocol.java
+++ b/src/main/java/cp/CPProtocol.java
@@ -112,6 +112,7 @@ public class CPProtocol extends Protocol {
     public void cookieProcesing(PhyConfiguration config, String cookie){
 
         if(cookieMap.size() >= CP_HASHMAP_SIZE){
+            System.out.println("Too many cookies.");
             return;
         }
 
@@ -125,7 +126,7 @@ public class CPProtocol extends Protocol {
         CPCookieRequestMsg reqMsg = new CPCookieRequestMsg();
         reqMsg.create(null);
 
-        this.PhyProto.send(new String (reqMsg.getDataBytes()), this.PhyConfig);
+        this.PhyProto   .send(new String (reqMsg.getDataBytes()), this.PhyConfig);
         Msg resMsg = new CPMsg();
 
         try {
diff --git a/src/main/java/phy/PhyConfiguration.java b/src/main/java/phy/PhyConfiguration.java
index b91e2bae334ecc7037e32c55a062eeb63642ac86..e434d09123e693f05f51590acf6eebf1e0027a7f 100644
--- a/src/main/java/phy/PhyConfiguration.java
+++ b/src/main/java/phy/PhyConfiguration.java
@@ -37,4 +37,19 @@ public class PhyConfiguration extends Configuration{
 	public int hashCode(String cookie){
 		return System.identityHashCode(cookie);
 	}
+
+
+	//generated using Alt+Insert
+	@Override
+	public boolean equals(Object o) {
+		if (this == o) return true;
+		if (!(o instanceof PhyConfiguration that)) return false;
+		return remotePort == that.remotePort && isClient == that.isClient && Objects.equals(remoteIPAddress, that.remoteIPAddress) && pid == that.pid;
+	}
+
+	//generated using Alt+Insert
+	@Override
+	public int hashCode() {
+		return Objects.hash(remotePort, remoteIPAddress, pid, isClient);
+	}
 }