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
不同的地址池 */
access-list 1 permit 172.18.107.0 0.0.0.255 access-list 2 permit 172.18.101.0 0.0.0.255 access-list 3 permit 172.18.108.0 0.0.0.255 access-list 4 permit 172.18.103.0 0.0.0.255 access-list 4 permit 172.18.102.0 0.0.0.255 access-list 4 permit 172.18.104.0 0.0.0.255 access-list 5 permit 172.18.105.0 0.0.0.255 access-list 5 permit 172.18.106.0 0.0.0.255 access-list 6 permit 172.18.111.0 0.0.0.255 !
line con 0
transport input none line 1 16 line aux 0 line vty 0 4 login ! end
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