image.png 1.配置LSW1 (1)配置连接用户的接口和对应的VLANIF接口 [LSW1]vlan batch 10 20 [LSW1-GigabitEthernet0/0/1]port link-type access [LSW1-GigabitEthernet0/0/1]port default vlan 10 [LSW1-GigabitEthernet0/0/2]port link-type access [LSW1-GigabitEthernet0/0/2]port default vlan 20 [LSW1]int Vlanif 10 [LSW1-Vlanif10]ip add 10.1.10.2 24 [LSW1-Vlanif10]int Vlanif 20 [LSW1-Vlanif20]ip add 10.1.20.2 24 (2)配置连接路由器的接口和对应的VLANIF接口 [LSW1]vlan batch 100 [LSW1-GigabitEthernet0/0/3]port link-type access [LSW1-GigabitEthernet0/0/3]port default vlan 100 [LSW1]int Vlanif 100 [LSW1-Vlanif100]ip add 10.1.100.2 24 (3)配置缺省路由 [LSW1]ip route-static 0.0.0.0 0.0.0.0 10.1.100.1 (4)配置DHCP服务器 [LSW1]dhcp enable [LSW1]int Vlanif 10 [LSW1-Vlanif10]dhcp select interface [LSW1-Vlanif10]dhcp server dns-list 114.114.114.114 [LSW1-Vlanif10]int Vlanif 20 [LSW1-Vlanif20]dhcp select interface [LSW1-Vlanif20]dhcp server dns-list 114.114.114.114 2.配置AR1 (1)配置连接交换机的接口对应的IP地址 [AR1-GigabitEthernet0/0/1]ip add 10.1.100.1 24 (2)配置连接公网的接口对应的IP地址 [AR1-GigabitEthernet0/0/0]ip add 20.1.1.1 24 (3)配置缺省路由和回程路由 [AR1]ip route-static 0.0.0.0 0.0.0.0 20.1.1.2 [AR1]ip route-static 10.1.0.0 255.255.0.0 10.1.100.2 (4)配置NAT功能,使内网用户可以访问外网 [AR1]acl 2000 [AR1-acl-basic-2000]rule permit source 10.1.0.0 0.0.255.255 [AR1-GigabitEthernet0/0/0]nat outbound 2000 3.配置AR2 [AR2-GigabitEthernet0/0/0]ip add 20.1.1.2 24 4.配置PC image.png image.png 5.检查配置结果 image.png