en

conf t

ho RA                           <<更改主機名

no ip domain-lo                   <<禁用DNS 

lin c 0                            

logg s                           <<顯示同步

exec-t 0 0                        <<配置超時

exit

in s0/0

ip ad 192.168.1.1 255.255.255.0      <<配置IP地址掩碼

encapsulation ppp                  <<封裝協議為PPP

ppp authentication chap             <<啟用CHAP認證

ppp chap hostname zsc              <<配置主認證方發出的認證用戶名

no sh

exit

in s0/1

ip ad 192.168.1.2 255.255.255.0

encapsulation ppp

ppp authentication chap pap <<ppp混合認證,先采用CHAP認證,失敗后采用PAP認證

ppp chap hostname zsc

no sh

exit

username td01 password 0 123       <<配置認證數據庫(被認證方的主機名和密碼)

username td02 password 0 456

exit

en

conf t

ho RB

no ip domain-lo

lin c 0

logg s

exec-t 0 0

exit

in s0/0

ip ad 192.168.1.3 255.255.255.0

encapsulation ppp

ppp chap hostname td01             <<配置本機主機名

no sh

exit

username zsc password 0 123  <<配置認證用戶名和密碼(發送主認證方用戶名和本機密碼)

exit

en

conf t

ho RC

no ip domain-lo

lin c 0

logg s

exec-t 0 0

exit

in s0/1

ip ad 192.168.1.4 255.255.255.0

encapsulation ppp

ppp chap hostname td02

no sh

exit

username zsc password 0 456

exit