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Fat AP and Cloud AP V200R010C00 Command Reference

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ppp chap password

ppp chap password


The ppp chap password command configures a password for CHAP authentication.

The undo ppp chap password command deletes the password of CHAP authentication.

By default, no password is configured for CHAP authentication.


ppp chap password { cipher | simple } password

undo ppp chap password


Parameter Description Value

Displays the password in cipher text.



Displays the password in plain text.


When you specify simple, the password is saved in plain text in the configuration, which brings potential security risks. You are advised to specify cipher to save the password in cipher text.



Specifies the password for CHAP authentication.

The value is a case-sensitive character string without spaces. If simple is specified, the password is in plain text and contains 1 to 32 characters. If cipher is specified, the password is either in cipher text containing 24 to 68 characters, for example, %^%#9}Ms*h:=3@2+n(K*_tS+1PlG2gT'48:j!V.pJSW$%^%#, or in plain text containing 1 to 32 characters, for example, 214357.


Dialer interface view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

If the authenticating device uses CHAP as PPP authentication, configure the user name and password for CHAP authentication on the authenticated device.


After the ppp chap password and ppp chap user commands are used, the device sends the configured password and user name to the remote device for authentication.

The ppp chap password command must be used on the authenticated device, and the configured password must be the same as that configured on the authenticating device.


# Configure password huawei@123 for CHAP authentication on Dialer1.

<Huawei> system-view
[Huawei] interface dialer 1
[Huawei-Dialer1] ppp chap password cipher huawei@123
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Updated: 2019-11-21

Document ID: EDOC1100064352

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