一、网络拓扑

二、PAP
2.1 PAP单项认证:R1为服务器端,R2为客户端
R1配置: R1>enable R1#configure terminal R1(config)#username jsxjs password adminjsxjs R1(config)#interface s0/0 R1(config-if)#encapsulation ppp R1(config-if)#ppp authentication pap R2配置: R2>enable R2#configure terminal R2(config)#interface s0/0 R2(config-if)#encapsulation ppp R2(config-if)#ppp pap sent-username jsxjs password adminjsxjs R1配置: R1>