> ! version 12.0 service timestamps debug uptime service timestamps log uptime no service password-encryption ! hostname nat-r1 ! enable secret 5 $1$FEQr$INhRecYBeCb.UqTQ3b9mY0 ! ip subnet-zero ! ! ! ! interface Ethernet0 ip address 172.18.150.150 255.255.0.0 no ip directed-broadcast ip nat inside /* 定义此为网络的内部端口 */ ! interface Serial0 ip address 192.1.1.161 255.255.255.252 no ip directed-broadcast ip nat outside /* 定义此为网络的外部端口 */ no ip mroute-cache no fair-queue ! interface Serial1 no ip address no ip directed-broadcast shutdown ! /* 定义从ISP那里申请到的IP在企业内部的分配策阅 */ ip nat pool tech 192.1.1.100 192.1.1.120 netmask 255.255.255.0 ip nat pool deve 192.1.1.121 192.1.1.150 netmask 255.255.255.0 ip nat pool manager 192.1.1.180 192.1.1.200 netmask 255.255.255.0 ip nat pool soft-1 192.1.1.170 192.1.1.179 netmask 255.255.255.0 ip nat pool soft-2 192.1.1.151 192.1.1.159 netmask 255.255.255.0 ip nat pool temp-user 192.1.1.160 192.1.1.160 netmask 255.255.255.0 /* 将访问列表与地址池对应,以下为动态地址转换*/ ip nat inside source list 1 pool tech ip nat inside source list 2 pool deve ip nat inside source list 3 pool manager ip nat inside source list 4 pool soft-1 ip nat inside source list 5 pool soft-2 /* 将访问列表与地址池对应,以下为复用动态地址转换*/ ip nat inside source list 6 pool temp-user overload /* 将访问列表与地址池对应,以下为静态地址转换*/ ip nat inside source static 172.18.100.168 192.1.1.168 ip nat inside source static 172.18.100.169 192.1.1.169 ip classless ip route 0.0.0.0 0.0.0.0 Serial0 /* 设置一个缺省路由 */ ! /* 内部网访问地址表,他指出内部网络能访问外部网的地址段, 分别定义是为了对应 |