fix learning nodes

client/clientIPTable/Iptable.go

@@ -61,6 +61,11 @@ func UpdateIpTable(IpAddress string, serverPort string) error {
 		}
 	}
 
+	err = ipStruct.WriteIpTable()
+	if err != nil {
+		return err
+	}
+
 	return nil
 }
 

p2p/iptable.go

@@ -155,6 +155,7 @@ func (table *IpAddresses) RemoveDuplicates() error {
 		if table.IpAddress[i].NAT == "True" && table.IpAddress[i].EscapeImplementation == "None" {
 			Exists = true
 		}
+
 		if Exists {
 			continue
 		}