1、电脑上安装华为ENSP模拟器
2、添加三台路由器
[R1-GigabitEthernet0/0/0]rip authentication-mode simple cipher huawei123
[R2-GigabitEthernet0/0/0]rip authentication-mode simple cipher huawei123
[R2]int g0/0/1
[R2-GigabitEthernet0/0/1]rip authentication-mode md5 nonstandard cipher huawei123 1
[R3]int g0/0/1
[R3-GigabitEthernet0/0/1]rip authentication-mode md5 nonstandard cipher huawei123 1