TP LINK ER604W如何设定L2TP??

PPTP设定如下, Iphone 5s手机测试可以成功连线

Enable VPN-to-Internet
Hello Interval: 60Sec (60-1000)
Protocol: PPTP
Mode: Server
Account Name: xxx
Password: xxx
Tunnel: Client to Lan
Max Connections: 1
Encryption: Enable
Pre-shared Key: -
Client IP: -
IP Address Pool: 192.168.5.5-192.168.5.50
Status: Activate

L2TPP设定如下, Iphone 5s手机测试不能连线 (伺服器没有回应)

Enable VPN-to-Internet
Hello Interval: Sec (60-1000)
Protocol: L2TP
Mode: Server
Account Name: xxx
Password: xxx
Tunnel: Client to Lan
Max Connections: 1
Encryption: Enable
Pre-shared Key: 2222
Client IP:
IP Address Pool: 192.168.5.5-192.168.5.50
Status: Activate

请问l2tp如何设定?

会唔会系ISP锁咗port???

我都一样唔得=.=

唔知啊, 你又系l2tp唔得, pptp得？