以此拓扑为题，实现全网互通，请说明你的地址规划、所需技术、配置命令、配置过程。
Switch>enable
Switch#
Switch#
Switch#config terminal
Switch(config)#ip dhcp pool 10
Switch(dhcp-config)#network 192.168.1.0
Switch(dhcp-config)#network 192.168.1.0 255.255.255.0
Switch(dhcp-config)#dns
Switch(dhcp-config)#dns-server 8.8.8.8
Switch(dhcp-config)#default-router 192.168.1.254
Switch(config)#interface fas0/1
Switch(config-if)#no switchport
Switch(config-if)#ip address 192.168.1.254 255.255.255.0
Switch(config)#ip dhcp pool 2
Switch(dhcp-config)#network 192.168.20.0 255.255.255.0
Switch(dhcp-config)#default-router 192.168.20.254
Switch(dhcp-config)#dns-server 6.6.6.6
Switch(config)#interface fas0/2
Switch(config-if)#no switchport
^
Switch(config-if)#ip address 192.168.20.254 255.255.255.0SDASD
原文：http://blog.51cto.com/13557154/2062583
