32ppp chap userSyntaxppp chap user usernameundo ppp chap userViewSynchronous serial interface viewDefault level2: System levelParametersusername: Username for CHAP authentication, a string of 1 to 80 characters, which is the one sent to thepeer router for the local router to be authenticated.DescriptionUse the ppp chap user command to set the username for CHAP authentication.Use the undo ppp chap user command to cancel the configuration.By default, the username for CHAP authentication is null.To pass CHAP authentication, the username/password of one side must be the localusername/password of the peer.Related commands: ppp authentication-mode.Examples# Configure the username for CHAP authentication as Root on Serial 4/1/9/2:0. system-view[Sysname] interface Serial 4/1/9/2:0[Sysname-Serial4/1/9/2:0] ppp chap user Rootppp ipcp remote-address forcedSyntaxppp ipcp remote-address forcedundo ppp ipcp remote-address forcedViewSynchronous serial interface viewDefault level2: System levelParametersNoneDescriptionUse the ppp ipcp remote-address forced command to configure a router to assign IP addresses to thepeer by force. This command also disables the peer from using locally configured IP addresses.