diff --git a/nucleus/controller.go b/nucleus/controller.go
index 76beb0c3cc69aa02e4790ade1b8bc2d36edefda1..a0cdccbdf972faaa42b18d2cff72e23c6793c16a 100644
--- a/nucleus/controller.go
+++ b/nucleus/controller.go
@@ -18,11 +18,8 @@ type controllerConfig struct {
 	ConfigPath       string
 }
 
-type clientConfig struct{
-	identifier string
-	endpoint string
-	username string
-	password string
+type clientConfigs struct {
+	Client []interfaces.ClientConfig `toml:"client"`
 }
 
 type Core struct {
@@ -98,12 +95,12 @@ func (c *Core)readClientConfig(configFileClient string) error {
 	if _,err := os.Stat(configFileClient); err != nil {
 		return err
 	}
-	clients := make([]clientConfig, 0)
+	clients := clientConfigs{}
 	if _,err := toml.DecodeFile(configFileClient, &clients); err != nil {
 		return err
 	}
-	for _,client := range clients {
-		c.clients[client.identifier] = ciena.NewMCPClient(client.endpoint, client.username, client.password, &c.database)
+	for _,client := range clients.Client {
+		c.clients[client.Identifier] = ciena.NewMCPClient(client.Endpoint, client.Username, client.Password, &c.database, &client)
 	}
 	return nil
 }
\ No newline at end of file
diff --git a/nucleus/interfaces/client.go b/nucleus/interfaces/client.go
index 1ada3063fe1ae8a8557d379b2d16bdc9f30efa81..9e541e687706e35d740cdc04ac1b3471a86b9be7 100644
--- a/nucleus/interfaces/client.go
+++ b/nucleus/interfaces/client.go
@@ -1,5 +1,5 @@
 package interfaces
 
 type Client interface {
-	GetConfig() string
+	GetConfig() ClientConfig
 }
diff --git a/nucleus/interfaces/clientConfig.go b/nucleus/interfaces/clientConfig.go
new file mode 100644
index 0000000000000000000000000000000000000000..917537b7541ba7dedf5203228f756b4511297856
--- /dev/null
+++ b/nucleus/interfaces/clientConfig.go
@@ -0,0 +1,8 @@
+package interfaces
+
+type ClientConfig struct {
+	Identifier string `toml:"identifier"`
+	Endpoint   string `toml:"endpoint"`
+	Username   string `toml:"username"`
+	Password   string `toml:"password"`
+}
diff --git a/restconf/client/ciena/client.go b/restconf/client/ciena/client.go
index a384c683dd42af0550930f20f48e70e0b33105d3..d9af6d0247d776dc0d5a7f9771f2dc60fbb0dcc1 100644
--- a/restconf/client/ciena/client.go
+++ b/restconf/client/ciena/client.go
@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"code.fbi.h-da.de/cocsn/gosdn/database"
 	"code.fbi.h-da.de/cocsn/gosdn/log"
+	"code.fbi.h-da.de/cocsn/gosdn/nucleus/interfaces"
 	"code.fbi.h-da.de/cocsn/gosdn/restconf/util"
 	apiclient "code.fbi.h-da.de/cocsn/swagger/apis/mcp/client"
 	"crypto/tls"
@@ -19,15 +20,15 @@ type MCPClient struct {
 	client    *apiclient.ServiceTopologyTAPI
 	database  *database.Database
 	buffer    *bytes.Buffer
+	config    *interfaces.ClientConfig
 }
 
-func (c MCPClient) GetConfig() string {
-	//TODO: Fill with life
-	return "..."
+func (c MCPClient) GetConfig() interfaces.ClientConfig {
+	return *c.config
 }
 
 //NewMCPClient creates a client
-func NewMCPClient(endpoint, username, password string, database *database.Database) *MCPClient {
+func NewMCPClient(endpoint, username, password string, database *database.Database, config *interfaces.ClientConfig) *MCPClient {
 	// create the transport
 	transport := httptransport.New(endpoint, "/", nil)
 	transport.Transport.(*http.Transport).TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
@@ -45,6 +46,7 @@ func NewMCPClient(endpoint, username, password string, database *database.Databa
 		client:    client,
 		database:  database,
 		buffer:    buffer,
+		config: config,
 	}
 }