Cisco实战-配置三层交换的综合案例

no ip address !

interface FastEthernet0/17

switchport access vlan 30

no ip address !

interface FastEthernet0/18

switchport access vlan 30

no ip address !

interface FastEthernet0/19

switchport access vlan 40

no ip address

!--将端口FastEthernet0/6指定至VLAN 40 !

interface FastEthernet0/20

switchport access vlan 40

no ip address !

interface FastEthernet0/21

switchport access vlan 40

no ip address !

interface FastEthernet0/22

switchport access vlan 30

no ip address !

interface FastEthernet0/23

switchport access vlan 40

no ip address !

interface FastEthernet0/24

switchport access vlan 40

no ip address !

interface GigabitEthernet0/1

switchport trunk encapsulation dot1q

！--启用802.1Q Trunk封装协议，即在该端口创建Trunk

switchport trunk allowed vlan 1-80

！--允许vlan 1-80在该中继线通讯

switchport mode trunk

！--将该端口设置为Trunk

no ip address !

interface GigabitEthernet0/2

no ip address !

interface Vlan1

ip address 172.16.100.12 255.255.255.0

!--LAN1指定IP地址

no ip route-cache

no ip mroute-cache !