Question: Dialing with VPNCLINET, whatever christcross-row you input in the username and password option, you can dial successfully, while there is no Alarm Information about wrong username or password. Why?
Answer: you do not configure the command on the interface LNS VT. The command is that
ppp authentication-mode. The command configure the authentication method with CHAP or PAP.
If you do not configure the command, there is no need to authenticate the username and password about VPNCLIENT. So whatever you input in the username and password, you can dial successfully.