Ppp General Setup - Draytek Vigor2950 Series User Manual

The Vigor router will not accept the ISDN dial-in connection if the box of Enable ISDN
Dial-in is not checked.
3 . 9 . 4 P P P G e
3 . 9 . 4 P P P G e
This submenu only applies to PPP-related VPN connections, such as PPTP, L2TP, L2TP
over IPSec.
Dial-In PPP
Authentication PAP Only
PAP or CHAP
Dial-In PPP Encryption
(MPPE Optional MPPE
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n e r a l S e t u p
n e r a l S e t u p
Select this option to force the router to authenticate dial-in
users with the PAP protocol.
Selecting this option means the router will attempt to
authenticate dial-in users with the CHAP protocol first. If the
dial-in user does not support this protocol, it will fall back to
use the PAP protocol for authentication.
This option represents that the MPPE encryption method will
be optionally employed in the router for the remote dial-in
user. If the remote dial-in user does not support the MPPE
encryption algorithm, the router will transmit "no MPPE
encrypted packets". Otherwise, the MPPE encryption scheme
will be used to encrypt the data.
Require MPPE (40/128bits) - Selecting this option will
force the router to encrypt packets by using the MPPE
encryption algorithm. In addition, the remote dial-in user will
Vigor2950 Series User's Guide