diff --git a/.gitignore b/.gitignore
index 50092c8..676c272 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 go.sum
 etherguard-go
+etherguard-go-vpp
 vendor
 .ipynb_checkpoints
\ No newline at end of file
diff --git a/.vscode/launch.json b/.vscode/launch.json
index e2ef4ec..c18040f 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -10,8 +10,9 @@
             "request": "launch",
             "mode": "auto",
             "program": "${workspaceFolder}",
+            "buildFlags": "-tags=vpp",
             "env": {"CGO_CFLAGS":"-I/usr/include/memif"},
-            "args":["-config","example_config/static_mode/path.txt","-mode","solve"/*,"-example"*/],
+            "args":["-config","example_config/super_mode/n1.yaml","-mode","edge"/*,"-example"*/],
         }
     ]
 }
\ No newline at end of file
diff --git a/Makefile b/Makefile
index 231e114..32b3342 100644
--- a/Makefile
+++ b/Makefile
@@ -17,6 +17,22 @@ generate-version-and-build:
 	@$(MAKE) etherguard-go
 
 etherguard-go: $(wildcard *.go) $(wildcard */*.go)
+	go mod download && \
+	go mod tidy && \
+	go mod vendor && \
+	patch -p0 -i govpp_remove_crcstring_check.patch && \
+	go build -v -tags novpp -o "$@"
+
+vpp:
+	@export GIT_CEILING_DIRECTORIES="$(realpath $(CURDIR)/..)" && \
+	tag="$$(git describe --dirty 2>/dev/null)" && \
+	ver="$$(printf 'package main\n\nconst Version = "%s"\n' "$$tag")" && \
+	[ "$$(cat version.go 2>/dev/null)" != "$$ver" ] && \
+	echo "$$ver" > version.go && \
+	git update-index --assume-unchanged version.go || true
+	@$(MAKE) etherguard-go-vpp
+
+etherguard-go-vpp: $(wildcard *.go) $(wildcard */*.go)
 	go mod download && \
 	go mod tidy && \
 	go mod vendor && \
diff --git a/device/peer.go b/device/peer.go
index 554233d..021210f 100644
--- a/device/peer.go
+++ b/device/peer.go
@@ -95,7 +95,7 @@ func (device *Device) NewPeer(pk NoisePublicKey, id config.Vertex) (*Peer, error
 
 	// create peer
 	if device.LogLevel.LogControl {
-		fmt.Println("Create peer with ID : " + id.ToString() + " and PubKey:" + base64.StdEncoding.EncodeToString(pk[:]))
+		fmt.Println("Control: Create peer with ID : " + id.ToString() + " and PubKey:" + base64.StdEncoding.EncodeToString(pk[:]))
 	}
 	peer := new(Peer)
 	peer.Lock()
diff --git a/example_config/super_mode/n1.yaml b/example_config/super_mode/n1.yaml
index 8f35905..a2b017f 100644
--- a/example_config/super_mode/n1.yaml
+++ b/example_config/super_mode/n1.yaml
@@ -1,8 +1,8 @@
 interface:
-  itype: stdio
+  itype: vpp
   name: tap1
   vppifaceid: 1
-  vppbridgeid: 0
+  vppbridgeid: 4242
   macaddrprefix: AA:BB:CC:DD:EE
   mtu: 1400
   recvaddr: 127.0.0.1:4001
diff --git a/example_config/super_mode/n2.yaml b/example_config/super_mode/n2.yaml
index 0e37439..d84be9c 100644
--- a/example_config/super_mode/n2.yaml
+++ b/example_config/super_mode/n2.yaml
@@ -2,7 +2,7 @@ interface:
   itype: stdio
   name: tap2
   vppifaceid: 2
-  vppbridgeid: 0
+  vppbridgeid: 4242
   macaddrprefix: AA:BB:CC:DD:EE
   mtu: 1400
   recvaddr: 127.0.0.1:4002
diff --git a/main.go b/main.go
index e65efec..d5ce811 100644
--- a/main.go
+++ b/main.go
@@ -54,7 +54,7 @@ var (
 func main() {
 	flag.Parse()
 	if *version == true {
-		fmt.Printf("wireguard-go v%s\n\nUserspace WireGuard daemon for %s-%s.\nInformation available at https://www.wireguard.com.\nCopyright (C) Jason A. Donenfeld <Jason@zx2c4.com>.\n", Version, runtime.GOOS, runtime.GOARCH)
+		fmt.Printf("etherguard-go v%s\n\nA mesh VPN %s-%s.\nInformation available at https://github.com/KusakabeSi/EtherGuardVPN.\nCopyright (C) Kusakabe Si <si@kskb.eu.org>.\n", Version, runtime.GOOS, runtime.GOARCH)
 		return
 	}
 	if *help == true {
diff --git a/main_edge.go b/main_edge.go
index c79774d..de8462c 100644
--- a/main_edge.go
+++ b/main_edge.go
@@ -108,18 +108,18 @@ func printExampleEdgeConf() {
 	}
 	g := path.NewGraph(3, false, tconfig.DynamicRoute.P2P.GraphRecalculateSetting, tconfig.DynamicRoute.NTPconfig, false)
 
-	g.UpdateLentancy(1, 2, path.S2TD(0.5), false,false)
-	g.UpdateLentancy(2, 1, path.S2TD(0.5), false,false)
-	g.UpdateLentancy(2, 3, path.S2TD(0.5), false,false)
-	g.UpdateLentancy(3, 2, path.S2TD(0.5), false,false)
-	g.UpdateLentancy(2, 4, path.S2TD(0.5), false,false)
-	g.UpdateLentancy(4, 2, path.S2TD(0.5), false,false)
-	g.UpdateLentancy(3, 4, path.S2TD(0.5), false,false)
-	g.UpdateLentancy(4, 3, path.S2TD(0.5), false,false)
-	g.UpdateLentancy(5, 3, path.S2TD(0.5), false,false)
-	g.UpdateLentancy(3, 5, path.S2TD(0.5), false,false)
-	g.UpdateLentancy(6, 4, path.S2TD(0.5), false,false)
-	g.UpdateLentancy(4, 6, path.S2TD(0.5), false,false)
+	g.UpdateLentancy(1, 2, path.S2TD(0.5), false, false)
+	g.UpdateLentancy(2, 1, path.S2TD(0.5), false, false)
+	g.UpdateLentancy(2, 3, path.S2TD(0.5), false, false)
+	g.UpdateLentancy(3, 2, path.S2TD(0.5), false, false)
+	g.UpdateLentancy(2, 4, path.S2TD(0.5), false, false)
+	g.UpdateLentancy(4, 2, path.S2TD(0.5), false, false)
+	g.UpdateLentancy(3, 4, path.S2TD(0.5), false, false)
+	g.UpdateLentancy(4, 3, path.S2TD(0.5), false, false)
+	g.UpdateLentancy(5, 3, path.S2TD(0.5), false, false)
+	g.UpdateLentancy(3, 5, path.S2TD(0.5), false, false)
+	g.UpdateLentancy(6, 4, path.S2TD(0.5), false, false)
+	g.UpdateLentancy(4, 6, path.S2TD(0.5), false, false)
 	_, next := path.FloydWarshall(g)
 	tconfig.NextHopTable = next
 	toprint, _ := yaml.Marshal(tconfig)
@@ -155,6 +155,8 @@ func Edge(configPath string, useUAPI bool, printExample bool) (err error) {
 		logLevel = device.LogLevelError
 	case "silent":
 		logLevel = device.LogLevelSilent
+	default:
+		logLevel = device.LogLevelError
 	}
 	logger := device.NewLogger(
 		logLevel,
diff --git a/main_super.go b/main_super.go
index e4edd1c..16ac17b 100644
--- a/main_super.go
+++ b/main_super.go
@@ -88,6 +88,8 @@ func Super(configPath string, useUAPI bool, printExample bool) (err error) {
 		logLevel = device.LogLevelError
 	case "silent":
 		logLevel = device.LogLevelSilent
+	default:
+		logLevel = device.LogLevelError
 	}
 
 	logger4 := device.NewLogger(
diff --git a/tap/tap_vpp.go b/tap/tap_vpp.go
index d27f0c9..b033d02 100644
--- a/tap/tap_vpp.go
+++ b/tap/tap_vpp.go
@@ -1,3 +1,5 @@
+//+build !novpp
+
 package tap
 
 import (
@@ -135,6 +137,7 @@ func CreateVppTAP(iconfig config.InterfaceConf, loglevel string) (tapdev Device,
 		memifSockPath: path.Join(vppMemifSocketDir, iconfig.Name+".sock"),
 		secret:        config.RandomStr(16, iconfig.Name),
 		logger:        log,
+		RxintChNext:   make(chan uint8, 1<<6),
 		errors:        make(chan error, 1<<5),
 		events:        make(chan Event, 1<<4),
 	}
@@ -235,8 +238,8 @@ func CreateVppTAP(iconfig config.InterfaceConf, loglevel string) (tapdev Device,
 	tap.RxintCh = memif.GetInterruptChan()
 	tap.RxintErrCh = memif.GetInterruptErrorChan()
 	tap.TxQueues = len(details.TxQueues)
-	tapdev.Events() <- EventUp
-	return
+	tap.events <- EventUp
+	return tap, nil
 }
 
 // SetMTU sets the Maximum Tansmission Unit Size for a
@@ -323,8 +326,6 @@ func (tap *VppTap) Close() error {
 
 	memifservice := memif.NewServiceClient(conn)
 
-	tap.memif.Close()
-	libmemif.Cleanup()
 	// delete interface memif memif1/1
 	_, err = memifservice.MemifDelete(context.Background(), &memif.MemifDelete{
 		SwIfIndex: tap.SwIfIndex,
@@ -335,7 +336,10 @@ func (tap *VppTap) Close() error {
 		SocketID:       tap.ifuid,
 		SocketFilename: tap.memifSockPath,
 	})
+	go tap.memif.Close()
+	go libmemif.Cleanup()
 	tap.events <- EventDown
+	close(tap.errors)
 	close(tap.events)
 	return nil
 } // stops the device and closes the event channel
diff --git a/tap/tap_vpp_fake.go b/tap/tap_vpp_fake.go
new file mode 100644
index 0000000..647ba25
--- /dev/null
+++ b/tap/tap_vpp_fake.go
@@ -0,0 +1,41 @@
+//+build novpp
+
+package tap
+
+import (
+	"errors"
+
+	"github.com/KusakabeSi/EtherGuardVPN/config"
+)
+
+type VppTap struct {
+	stopRead chan struct{}
+	events   chan Event
+}
+
+// New creates and returns a new TUN interface for the application.
+func CreateVppTAP(iconfig config.InterfaceConf, loglevel string) (tapdev Device, err error) {
+	return nil, errors.New("VPP tap not compiled.")
+}
+
+func (tap *VppTap) Read([]byte, int) (int, error) {
+	return 0, errors.New("Device stopped")
+}
+func (tap *VppTap) Write(packet []byte, size int) (int, error) {
+	return size, nil
+}
+func (tap *VppTap) Flush() error {
+	return nil
+}
+func (tap *VppTap) MTU() (int, error) {
+	return 1500, nil
+}
+func (tap *VppTap) Name() (string, error) {
+	return "Invalid device", nil
+}
+func (tap *VppTap) Events() chan Event {
+	return tap.events
+}
+func (tap *VppTap) Close() error {
+	return nil
+}