2011-08-03 16:51:07
Switch#configure terminal
Switch(config)#vlan 2
Switch(config-vlan)#exit
Switch(config)#vlan 3
Switch(config-vlan)#exit
Switch(config)#interface fastEthernet 0/2
Switch(config-if)#switchport access vlan 2
Switch(config-if)#exit
Switch(config)#interface fastEthernet 0/3
Switch(config-if)#switchport access vlan 3
Switch(config)#interface fastEthernet 0/24
Switch(config-if)#switchport mode trunk
Router#configure terminal
Router(config)#interface fastEthernet 0/0 (与二层TRUNK口连接的物理接口只需要打开)
Router(config-if)#no shutdown
Router(config-if)#exit
Router(config)#interface fastEthernet 0/0.2 (进入物理接口的子接口:(.2) 可以想象成物理接口 一个物理接口可以有 几十亿个子接口 子接口可以随意设置)
Router(config-subif)#ip address 192.168.2.254 255.255.255.0 (配置IP地址 即VLAN2 网关)
Router(config-subif)#exit
Router(config)#interface fastEthernet 0/0.3 (同样给VLAN3)
Router(config-subif)#ip address 192.168.3.254 255.255.255.0
Reply from 192.168.3.1: bytes=32 time=125ms TTL=127
Reply from 192.168.3.1: bytes=32 time=125ms TTL=127
Reply from 192.168.3.1: bytes=32 time=125ms TTL=127
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 96ms, Maximum = 125ms, Average = 117ms
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