L2TP VPN
Force MPPE Encryption: enable or disable force MPPE encryption of L2TP data
Server IP: Input IP address of the router as PPTP server, differ from LAN address
Client IP(s): IP address assigns to the client, the format is xxx.xxx.xxx.xxx-xxx.xxx.xxx.xxx
CHAP Secrets: User name and password of the client using L2TP service
Note: client IP must be different with IP assigned by router DHCP.
The format of CHAP Secrets is user * password *.