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vlan技术
2022-07-24 20:00:00 【宋回嘉乐吗】
一、三层交换技术
1.实现不同vlan之间的通讯
2.三层交换=三层转发+二层交换
二、 不同vlan之间通讯的方法
1.单臂路由:路由器重新封装MAC地址,转换为VLAN ID (路由器的物理接口可以分化为多个逻辑子接口,每个子接口对应一个vlan网段的网关)
2.用三层交换机实现:一次路由,多次转换。
二、三层交换机实现方式

1.首先在LSW1这个交换机上配置三个vlan:vlan10 、20 、30 ,分别给e0/0/1 e0/0/2 e/0/0/4配上
[Huawei]vlan b 10 20 30
[Huawei-Ethernet0/0/1]int e0/0/1
[Huawei-Ethernet0/0/1]p l a
2.然后给上面的三层交换机配置3个vlan,三层交换机上配置的VLAN接口为虚接口
[SW2]int g0/0/1
[SW2-GigabitEthernet0/0/1]p l t
[SW2-GigabitEthernet0/0/1]p t a v a
[SW2]vlan batch 10 20 30
[SW2] interface Vlanif 10
[SW2-Vlanif10]ip address 192.168.10.254 24
之后 Vlanif20 Vlanif30 重复操作
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