16
Views
Interface view
Predefined user roles
network-admin
Examples
# Configure Serial 2/1/0 to reject ACFC requests received from the remote peer.
<Sysname> system-view
[Sysname] interface serial 2/1/0
[Sysname-Serial2/1/0] ppp acfc remote-reject
ppp authentication-mode
Use ppp authentication-mode to configure PPP authentication on an interface.
Use undo ppp authentication-mode to restore the default.
Syntax
ppp authentication-mode { chap | ms-chap | ms-chap-v2 | pap } * [ [ call-in ] domain
{ isp-name | default enable isp-name } ]
undo ppp authentication-mode
Default
PPP authentication is disabled on an interface.
Views
Interface view
Predefined user roles
network-admin
Parameters
chap: Uses CHAP authentication.
ms-chap: Uses MS-CHAP authentication.
ms-chap-v2: Uses MS-CHAP-V2 authentication.
pap: Uses PAP authentication.
call-in: Authenticates the call-in users only. This keyword can be configured when the local end acts
as the receiving end of DDR calls. For more information about DDR, see Layer 2
—
WAN Access
Configuration Guide.
domain isp-name: Specifies the ISP domain name for authentication, a case-insensitive string of 1
to 255 characters.
default enable isp-name: Specifies the default ISP domain name for authentication, a
case-insensitive string of 1 to 255 characters.
Usage guidelines
PPP authentication includes the following categories:
• PAP—Two-way handshake authentication. The password is in plain text or cipher text.
• CHAP—Three-way handshake authentication. The password is in plain text or cipher text.
• MS-CHAP—Three-way handshake authentication. The password is in cipher text.
• MS-CHAP-V2—Three-way handshake authentication. The password is in cipher text.