1、电脑上安装华为ENSP模拟器
2、添加2个路由器
[R1]int g0/0/0
[R1-GigabitEthernet0/0/0]ip address 12.1.1.1 24
[R1-GigabitEthernet0/0/0]quit
[R1]display ip interface brief
[R2]int g0/0/0
[R2-GigabitEthernet0/0/0]ip add 12.1.1.2 24
[R2-GigabitEthernet0/0/0]quit
[R2]display ip interface brief
[R1]ping 12.1.1.2