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1、-组网需求:1SwitchA与SwitchB用trunk互连,相同VLAN的PC之间可以互访,不同VLAN的PC之间禁止互访;2PC1与PC2之间在不同VLAN,通过设置上层三层交换机SwitchB的VLAN接口10的IP地址为10.1.1.254/24,VLAN接口20的IP地址为20.1.1.254/24可以实现VLAN间的互访。组网图:1VLAN内互访,VLAN间禁访2通过三层交换机实现VLAN间互访配置步骤:实现VLAN内互访VLAN间禁访配置过程SwitchA相关配置:1创建(进入)VLAN10,将E0/1加入到VLAN10SwitchAvlan 10SwitchA-vlan10po
2、rt Ethernet 0/12创建(进入)VLAN20,将E0/2加入到VLAN20SwitchAvlan 20SwitchA-vlan20port Ethernet 0/23将端口G1/1配置为Trunk端口,并允许VLAN10和VLAN20通过SwitchAinterface GigabitEthernet 1/1SwitchA-GigabitEthernet1/1port link-type trunkSwitchA-GigabitEthernet1/1port trunk permit vlan 10 20SwitchB相关配置:1创建(进入)VLAN10,将E0/10加入到VLAN
3、10SwitchBvlan 10SwitchB-vlan10port Ethernet 0/102创建(进入)VLAN20,将E0/20加入到VLAN20SwitchBvlan 20SwitchB-vlan20port Ethernet 0/203将端口G1/1配置为Trunk端口,并允许VLAN10和VLAN20通过SwitchBinterface GigabitEthernet 1/1SwitchB-GigabitEthernet1/1port link-type trunkSwitchB-GigabitEthernet1/1port trunk permit vlan 10 20通过三层
4、交换机实现VLAN间互访的配置SwitchA相关配置:1创建(进入)VLAN10,将E0/1加入到VLAN10SwitchAvlan 10SwitchA-vlan10port Ethernet 0/12创建(进入)VLAN20,将E0/2加入到VLAN20SwitchAvlan 20SwitchA-vlan20port Ethernet 0/23将端口G1/1配置为Trunk端口,并允许VLAN10和VLAN20通过SwitchAinterface GigabitEthernet 1/1SwitchA-GigabitEthernet1/1port link-type trunkSwitchA-
5、GigabitEthernet1/1port trunk permit vlan 10 20SwitchB相关配置:1创建VLAN10SwitchBvlan 102设置VLAN10的虚接口地址SwitchBinterface vlan 10SwitchB-int-vlan10ip address 10.1.1.254 255.255.255.03创建VLAN20SwitchBvlan 204设置VLAN20的虚接口地址SwitchBinterface vlan 20SwitchB-int-vlan20ip address 20.1.1.254 255.255.255.05将端口G1/1配置为Trunk端口,并允许VLAN10和VLAN20通过SwitchAinterface GigabitEthernet 1/1SwitchA-GigabitEthernet1/1port link-type trunkSwitchA-GigabitEthernet1/1port trunk permit vlan 10 20第 6 页-
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