实验拓扑
IUO1的配置
IOU1(config)#interface e 0/0
IOU1(config-if)#du fu
IOU1(config-if)#ip add 10.1.10.1 255.255.255.0
IOU1(config-if)#no shutdown
IOU1(config-if)#ex
IOU1(config)#interface loopback 0
IOU1(config-if)#ip add 218.85.152.99 255.255.255.0
IOU1(config-if)#ex
IOU1(config)#username bdqn privilege 15 password 123
IOU1(config)#line vty 0 4
IOU1(config-line)#login local
IOU1(config-line)#transport input telnet
IOU1(config-line)#
IUO2的配置
IOU2(config)#interface e 0/0
IOU2(config-if)#du fu
IOU2(config-if)#ip address 172.16.1.2 255.255.255.0
IOU2(config-if)#no shutdown
IOU2(config-if)#ex
IOU2(config)#interface loopback 0
IOU2(config-if)#ip add 172.16.88.11 255.255.255.0
IOU2(config-if)#no shutdown
IOU2(config-if)#ex
IOU2(config)#ip route 0.0.0.0 0.0.0.0 172.16.1.254
IUO3的配置
IOU3(config)#interface e 0/0
IOU3(config-if)#ip add 192.168.0.3 255.255.255.0
IOU3(config-if)#du fu
IOU3(config-if)#no shutdown
IOU3(config-if)#ex
IOU3(config)#interface loopback 0
IOU3(config-if)#ip address 192.168.1.3 255.255.255.0
IOU3(config-if)#no shutdown
IOU3(config-if)#ex
IOU3(config)#ip route 0.0.0.0 0.0.0.0 192.168.0.254
防火墙配置
ciscoasa(config)# interface g 0
ciscoasa(config-if)# nameif outside
ciscoasa(config-if)# ip add 10.1.10.254 255.255.255.0
ciscoasa(config-if)# no shu
ciscoasa(config-if)# ex
ciscoasa(config)# interface g 1
ciscoasa(config-if)# nameif inside
ciscoasa(config-if)# ip add 172.16.1.254 255.255.255.0
ciscoasa(config-if)# no shu
ciscoasa(config-if)# ex
ciscoasa(config)# interface g 2
ciscoasa(config-if)# nameif dmz
ciscoasa(config-if)# security-level 50
ciscoasa(config-if)# ip add 192.168.0.254 255.255.255.0
ciscoasa(config-if)# no shu
ciscoasa(config-if)# ex
ciscoasa(config)# route outside 0 0 10.1.10.1
ciscoasa(config)# route inside 172.16.88.0 255.255.255.0 172.16.1.2
ciscoasa(config)# route dmz 192.168.1.0 255.255.255.0 192.168.0.3
配置动态NAT实现telnet外网
定义动态NAT的地址池
ciscoasa(config)# object network out-pool
ciscoasa(config-network-object)# range 10.1.10.10 10.1.10.20
ciscoasa(config-network-object)# exit
指定内网网段
ciscoasa(config)# object network inside-1
ciscoasa(config-network-object)# subnet 172.16.1.0 255.255.255.0
ciscoasa(config-network-object)# exit
ciscoasa(config)# object network inside-2
ciscoasa(config-network-object)# subnet 172.16.88.0 255.255.255.0
ciscoasa(config-network-object)# exit
ciscoasa(config)# object network dmz-1
ciscoasa(config-network-object)# subnet 192.168.0.0 255.255.255.0
ciscoasa(config-network-object)# exit
ciscoasa(config)# object network dmz-2
ciscoasa(config-network-object)# subnet 192.168.1.0 255.255.255.0
ciscoasa(config-network-object)# exit
创建内网地址组
ciscoasa(config)# object-group network in-lan
ciscoasa(config-network-object-group)# network-object object inside-1
ciscoasa(config-network-object-group)# network-object object inside-2
ciscoasa(config-network-object-group)# exit
ciscoasa(config)# object-group network dmz-lan
ciscoasa(config-network-object-group)# network-object object dmz-1
ciscoasa(config-network-object-group)# network-object object dmz-2
ciscoasa(config-network-object-group)# exit
ASA配置nat
ciscoasa(config)# nat (inside,outside) source dynamic in-lan out-pool
ciscoasa(config)# nat (dmz,outside) source dynamic dmz-lan out-pool
telnet测试
