大家帮我看看，，这段配置有没有错？

谢谢各位！！！

interface Ethernet0
description internet connection
ip address 211.152.181.18 255.255.255.240
ip nat outside
half-duplex
!
interface FastEthernet0
description intranet connection
ip address 192.168.1.254 255.255.255.0
ip nat inside
speed auto
!
interface Serial0
no ip address
shutdown
!
ip nat pool qs 211.152.181.18 211.152.181.18 netmask 255.255.255.240
ip nat inside source list 10 pool qs overload
ip classless
no ip http server
!
!
access-list 10 permit 192.168.1.0 0.0.0.255

哦，，路由器为 Cisco 1721 系统版本为12。2

没有问题,你使用的地址池是吧

还少了一条静态路由吧，不然你怎么学到外部IP地址呢！