version 12.0 no service pad service timestamps debug uptime service timestamps log uptime no service passWord-encryption service udp-small-servers service tcp-small-servers ! hostname Router ! ! ip subnet-zero ip dhcp excluded-address 172.16.240.1 172.16.240.10 ip dhcp excluded-address 172.16.240.201 172.16.240.254 ! ip dhcp pool flink network 172.16.240.0 255.255.255.0 default-router 172.16.240.254 domain-name ns3.BTa.net.cn dns-server 202.106.196.115 202.106.0.20 ! no ip domain-lookup ! ! PRocess-max-time 200 ! interface Ethernet0 ip address 172.16.241.254 255.255.255.0 secondary ip address 172.16.242.254 255.255.255.0 secondary ip address 172.16.243.254 255.255.255.0 secondary ip address 172.16.244.254 255.255.255.0 secondary ip address 172.16.240.254 255.255.255.0 no ip directed-broadcast ip nat inside ! interface Serial0 ip address 192.168.108.22 255.255.255.252 no ip directed-broadcast ip nat outside ! ip nat pool gj 210.72.225.88 210.72.225.95 netmask 255.255.255.248 ip nat inside source list 1 pool gj overload ip nat inside source static n no ip http server ip route 0.0.0.0 0.0.0.0 192.168.108.21 ! access-list 1 permit 172.16.240.0 0.0.0.255 ! line con 0 transport input none stopbits 1 line vty 0 4 login 当然用W2K SERVER也可以做DHCP,她这样使客户机不用手工配置IP，这种IP就可动态产生！
