服务器!

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！