跨交换机配置VLAN

2026-04-17 12:05:32

1、配置PC机IP:

 PC1:192.168.10.1

PC2:192.168.10.2

 PC2:192.168.20.1

PC1:192.168.20.2

跨交换机配置VLAN

2、配置SWA:

Switch>enable                               进入特权视图

Switch#configure terminal                   进入全局配置视图

Switch(config)#vlan 10                      创建VLAN10

Switch(config-vlan)#exit

Switch(config)#vlan 20                      创建VLAN20

Switch(config-vlan)#exit

Switch(config)#interface fa0/1              进入端口1

Switch(config-if)#switch access vlan 10     将端口1分配给VLAN10

Switch(config-if)#no shut                   启动端口

Switch(config-if)#exit

Switch(config)#interface fa0/2              进入端口2

Switch(config-if)#switch access vlan 20     将端口2分配给VLAN20

Switch(config-if)#no shut                   启动端口

Switch(config-if)#exit

Switch(config)#exit

Switch#show vlan                            查看VLAN表

VLAN Name                             Status    Ports

10   VLAN0010                         active    Fa0/1

20   VLAN0020                         active    Fa0/2

3、配置SWB:

Switch>enable

Switch#configure terminal

Switch(config)#vlan 10

Switch(config-vlan)#exit

Switch(config)#vlan 20

Switch(config-vlan)#exit

Switch(config)#interface fa0/1

Switch(config-if)#switch access vlan 10

Switch(config-if)#no shut

Switch(config-if)#exit

Switch(config)#interface fa0/2

Switch(config-if)#switch access vlan 20

Switch(config-if)#no shut

Switch(config-if)#exit

Switch(config)#exit

Switch#show vlan

VLAN Name                             Status    Ports

10   VLAN0010                         active    Fa0/1

20   VLAN0020                         active    Fa0/2

4、配置SWA的Trunk口:

Switch>enable

Switch#configure terminal

Switch(config)#interface fa0/3         进入端口3

Switch(config-if)#switchport mode trunk    将端口3配置成Trunk口

Switch(config-if)#switchport trunk allowed vlan 10,20

Switch(config-if)#no shut                      启用端口3

Switch(config-if)#exit

5、配置SWB的Trunk口:

Switch>enable

Switch#configure terminal

Switch(config)#interface fa0/3

Switch(config-if)#switchport mode trunk

Switch(config-if)#switchport trunk allowed vlan 10,20  限制允许通过的VLAN

Switch(config-if)#no shut

Switch(config-if)#exit

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