diff --git a/misc/run-conf3-netns b/misc/run-conf3-netns
index da5f494..852c777 100755
--- a/misc/run-conf3-netns
+++ b/misc/run-conf3-netns
@@ -24,5 +24,6 @@ ip netns exec peerns3 ip route add 192.168.2.0/24 via 192.168.3.1
 
 ip netns exec peerns3 ip addr list
 #ip netns exec peerns3 ./run -useconf=conf3.json
+ip netns exec peerns3 ifconfig lo up
 ip netns exec peerns3 ./run -autoconf
 #ip netns delete peerns3
diff --git a/misc/yggdrasil.go.tcp b/misc/yggdrasil.go.tcp
index b394656..c2c9a6b 100644
--- a/misc/yggdrasil.go.tcp
+++ b/misc/yggdrasil.go.tcp
@@ -249,8 +249,8 @@ func main() {
 	n := node{}
 	n.init(cfg, logger)
 	logger.Println("Starting tun...")
-	n.core.DEBUG_startTun(cfg.IfName) // 1280, the smallest supported MTU
-	//n.core.DEBUG_startTunWithMTU(cfg.IfName, 65535) // Largest supported MTU
+	//n.core.DEBUG_startTun(cfg.IfName) // 1280, the smallest supported MTU
+	n.core.DEBUG_startTunWithMTU(cfg.IfName, 65535) // Largest supported MTU
 	defer func() {
 		logger.Println("Closing...")
 		n.core.DEBUG_stopTun()