diff --git a/config/admin_service_commander.go b/config/admin_service_commander.go
index cdeb9d23..8cb0815a 100644
--- a/config/admin_service_commander.go
+++ b/config/admin_service_commander.go
@@ -96,7 +96,7 @@ func startTunnelRequest(opt ConfigOptions, installService bool) (bool, error) {
 		Ipv6:                   opt.IPv6Mode == option.DomainStrategy(dns.DomainStrategyUseIPv4),
 		ServerPort:             int32(opt.InboundOptions.MixedPort),
 		StrictRoute:            opt.InboundOptions.StrictRoute,
-		EndpointIndependentNat: false,
+		EndpointIndependentNat: true,
 		Stack:                  opt.InboundOptions.TUNStack,
 	})
 	if err != nil {
diff --git a/v2/tunnel_service.go b/v2/tunnel_service.go
index e0d834bc..a190d0a2 100644
--- a/v2/tunnel_service.go
+++ b/v2/tunnel_service.go
@@ -11,13 +11,13 @@ import (
 
 func (s *TunnelService) Start(ctx context.Context, in *pb.TunnelStartRequest) (*pb.TunnelResponse, error) {
 	if in.ServerPort == 0 {
-		in.ServerPort = 2334
+		in.ServerPort = 12334
 	}
 	useFlutterBridge = false
 	res, err := Start(&pb.StartRequest{
 		ConfigContent:          makeTunnelConfig(in.Ipv6, in.ServerPort, in.StrictRoute, in.EndpointIndependentNat, in.Stack),
 		EnableOldCommandServer: false,
-		DisableMemoryLimit:     false,
+		DisableMemoryLimit:     true,
 		EnableRawConfig:        true,
 	})
 	fmt.Printf("Start Result: %+v\n", res)
@@ -49,7 +49,6 @@ func makeTunnelConfig(Ipv6 bool, ServerPort int32, StrictRoute bool, EndpointInd
 			"interface_name": "HiddifyTunnel",
 			"inet4_address": "172.19.0.1/30",
 			` + ipv6 + `
-			"mtu": 1492,
 			"auto_route": true,
 			"strict_route": ` + fmt.Sprintf("%t", StrictRoute) + `,
 			"endpoint_independent_nat": ` + fmt.Sprintf("%t", EndpointIndependentNat) + `,