实验需求: PC-1/2 要 ping 通 PC-3 ;
实验步骤: 1.设备互联、IP地址规划、加电; 2.设备配置 内网设备 终端设备 PC1: ip 192.168.10.1 mask 255.255.255.0 gateway 192.168.10.254 PC2: ip 192.168.10.2 mask 255.255.255.0 gateway 192.168.10.254 网络设备 &2层设备-SW @创建VLAN @将互联端口加入到指定的VLAN中
[SW]vlan 10
quit
[SW]port-group group-member gi0/0/1 to gi0/0/3
port link-type access
port default vlan 10
quit
3层设备-Router
[R1]interface gi0/0/2
[R1-GigabitEthernet0/0/2] ip address 192.168.10.254 255.255.255.0
[R1]interface gi0/0/0
[R1-GigabitEthernet0/0/0] ip address 12.1.1.1 255.255.255.0
[R1]ip route-static 0.0.0.0 0.0.0.0 12.1.1.2
[R1]nat static global 12.1.1.3 inside 192.168.10.1
[R1]nat static global 12.1.1.4 inside 192.168.10.2
[R1]interface gi0/0/0
[R1-GigabitEthernet0/0/0]nat static enable
外网设备
[R2]interface gi0/0/1
[R2-GigabitEthernet0/0/1] ip address 12.1.1.2 255.255.255.0
[R2-GigabitEthernet0/0/1] interface gi0/0/0
[R2-GigabitEthernet0/0/0]ip address 13.1.1.254 255.255.255.0
PC3:
ip 13.1.1.253
mask 255.255.255.0
gateway 13.1.1.254
测试: PC1: 192.168.10.1 --> 13.1.1.253 测试成功!!!!!
可以利用wireshark抓包验证