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cisco NAT 的配置例子
作者:佚名  文章来源:不详  点击数1170  更新时间:2007-5-18 3:15:02  文章录入:啊祖  责任编辑:啊祖

>  !

   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

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