Step 2 Configure AAA, name authentication, and PPP encapsulation on the interfaces that will be used as described in the following configuration example.
Step 3 Use the show running-config command to verify the configuration.
Step 4 Connect to the router using the connection-limited username.
Step 5 Attempt to open a second connection.
Step 6 Observe the failed PPP authentication相關配置 aaa new-model aaa authorization network default local enable secret saintstephen enable password witharose ! username sTephen user-maxlinks 5 password gardenhegoes ! interface Serial0/0:23 no ip address encapsulation ppp dialer pool-member 1 ppp authentication chap ppp multilink ! interface Serial1/0 ip address 2.2.2.4 255.255.255.0 encapsulation ppp dialer in-band dialer map ip 2.2.2.13 name sTephen 12345 dialer-group 1 ppp authentication chap ! interface Dialer0 ip address 1.1.1.4 255.255.255.0 encapsulation ppp dialer remote-name sTephen dialer string 23456 dialer pool 1 dialer-group 1 ppp authentication chap ppp multilink ! dialer-list 1 PRotocol ip permit
