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For authentication on a dial-up interface, you are recommended to configure
authentication on both the physical interface and the dialer interface. When the
physical interface receives a DCC call request, it first initiates PPP negotiation and
authenticates the dial-in user, and then passes the call to the upper layer protocol.
Related command: local-user on page 1940, ppp chap user, ppp pap local-user, ppp pap
password, and ppp chap password.
Example # Authenticate the peer device by means of PAP on interface Serial 1/0.
<Sysname> system-view
[Sysname] interface serial 1/0
[Sysname-Serial1/0] ppp authentication-mode pap domain system
ppp chap password
Syntax ppp chap password { cipher | simple } password
undo ppp chap password
View Interface view
Parameter cipher: Indicates to display the password in ciphertext.
simple: Indicates to display the password in plain text.
password: Default CHAP password, a string of 1 to 16 characters. When the
simple keyword is used, this password is in plain text. When the cipher keyword
is used, this password can either be in ciphertext or in plain text. The plain text is a
string of no more than 16 characters, like aabbcc. The ciphertext has a fixed
length of 24 characters, like _(TT8F]Y5SQ=^Q‘MAF4<1!!.
Description Use the
ppp chap password command to configure the password for CHAP
authentication.
Use the
undo ppp chap password command to cancel the configuration.
Related command: ppp authentication-mode chap.
Example # Set the username to Sysname, which is to be displayed in plain text in CHAP
authentication.
<Sysname> system-view
[Sysname] interface serial 1/0
[Sysname-Serial1/0] ppp chap password simple sysname
ppp chap user
Syntax ppp chap user username