PPP authentication configuration and troubleshooting (1)

Configure PAP authentication for PPP authentication configuration and troubleshooting

1. Configure PAP Authentication-Primary authenticated Party:

1. Configure the authentication username and password

Router (config) # username user_name password 0 pass_word

2. Enable PAP Authentication

Router (config-if) # ppp authentication pap

2. Configure PAP Authentication-authenticated Party B:

1. Configure the authentication username and password

Router (config-if) # ppp pap sent-username user_name password 0 pass_word

Configure CHAP authentication for PPP authentication configuration and troubleshooting-Primary authenticated Party:

Configure the authentication username and password

Router (config) # username user_name password 0 pass_word

Enable CHAP authentication

Router (config-if) # ppp authentication chap

Configure the authentication user name

Router (config-if) # ppp chap hostname user_name

Configure CHAP authentication-authenticated Party B:

Configure the authentication username and password

Router (config) # username user_name password 0 pass_word

Configure the authentication user name

Router (config-if) # ppp chap hostname user_name

Configure the authentication Password

Router (config-if) # ppp chap password 0 pass_word

Configure IP address negotiation for PPP authentication configuration and troubleshooting

Server

Router (config-if) # peer default ip address ip_addr

Client

Router (config-if) # ip address negotiated

Suggestion: After the configuration is complete, remember to execute SHUTDOWN and no shutdown under one of the ports.