diff --git a/goTool/testrunner/esptool.go b/goTool/testrunner/esptool.go
new file mode 100644
index 0000000..6dae915
--- /dev/null
+++ b/goTool/testrunner/esptool.go
@@ -0,0 +1,18 @@
+package testrunner
+
+import (
+	"os/exec"
+)
+
+const (
+	ESPTOOLPATH = "/home/simon/.espressif/python_env/idf5.5_py3.14_env/bin/esptool.py"
+)
+
+func RestartESPOnPort(port string) error {
+	cmd := exec.Command(ESPTOOLPATH, "--port", port, "run")
+	err := cmd.Run()
+	if err != nil {
+		return err
+	}
+	return nil
+}
diff --git a/goTool/testrunner/tests.go b/goTool/testrunner/tests.go
index 4c5c04f..ce8093d 100644
--- a/goTool/testrunner/tests.go
+++ b/goTool/testrunner/tests.go
@@ -2,6 +2,7 @@ package testrunner
 
 import (
 	"fmt"
+	"slices"
 	"time"
 
 	"alox.tool/api"
@@ -60,3 +61,79 @@ func (tr *TestRunner) RunClientInputTest() error {
 	// TODO: Real Check
 	return nil
 }
+
+func (tr *TestRunner) RebuildNetwork() error {
+
+	// Hardcoded for now
+	Clients := map[string]string{
+		"C1": "/dev/ttyACM1",
+		"C2": "/dev/ttyACM2",
+		"C3": "/dev/ttyACM3",
+		"C4": "/dev/ttyACM4",
+	}
+
+	// Hardcoded for now
+	macAddresses := [][6]byte{
+		{0x50, 0x78, 0x7D, 0x18, 0x85, 0xA0},
+		{0x50, 0x78, 0x7D, 0x18, 0x7D, 0x74},
+		{0x50, 0x78, 0x7D, 0x18, 0x1D, 0x14},
+		{0x50, 0x78, 0x7D, 0x18, 0x00, 0x10},
+	}
+
+	// Hardcoded for now
+	err := RestartESPOnPort("/dev/ttyACM0")
+	if err != nil {
+		return fmt.Errorf("Could not Restart Master!")
+	}
+	time.Sleep(500 * time.Millisecond)
+
+	for c, p := range Clients {
+		fmt.Printf("Restarting Client %v", c)
+		err = RestartESPOnPort(p)
+		if err != nil {
+			fmt.Printf("Could not Restart Client %v on Port %v", c, p)
+			return err
+		}
+		time.Sleep(500 * time.Millisecond)
+	}
+
+	success := false
+	var frame *api.Frame
+	var clientInfos []api.PayloadClientInfo
+	var lastError string
+	for i := 0; i <= 5; i++ {
+		time.Sleep(1000 * time.Millisecond) // inital sleep for first network setup
+
+		var err error // for local error scope
+		frame, err = tr.Expect(api.CmdClientInfo, nil, api.CmdClientInfo, 1*time.Second)
+		if err != nil {
+			lastError = "No Uart Message"
+			continue
+		}
+
+		clientInfos, err = uart.ParseFrameClientInfo(*frame)
+		if err != nil {
+			lastError = fmt.Sprintf("Could not parse Message: %v", err)
+			continue
+		}
+
+		if len(clientInfos) != len(macAddresses) {
+			lastError = fmt.Sprintf("Want %v Clients, got %v Clients", len(macAddresses), len(clientInfos))
+			continue
+		}
+		success = true
+		break
+	}
+
+	if !success {
+		return fmt.Errorf("%v", lastError)
+	}
+
+	for _, client := range clientInfos {
+		if !slices.Contains(macAddresses, client.MACAddr) {
+			return fmt.Errorf("Client %v not found in expected list %v", client.MACAddr, macAddresses)
+		}
+	}
+
+	return nil
+}