vlan简单实验_vlan实验-优快云博客

本文链接：https://blog.youkuaiyun.com/upmans/article/details/127468716

本文档展示了如何通过配置华为路由器和交换机的VLAN及DHCP服务，将原本两个广播域扩展为四个，并利用子接口管理不同VLAN的IP地址分配，确保全网可达。配置步骤包括在路由器上创建子接口、指定IP地址和启用ARP广播，在交换机上创建VLAN、设置端口类型和允许通过的VLAN。测试验证了配置的有效性。

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要求：

1.全网可达

2.pc通过DHCP

分析：图中原本有2个广播域，但是经过vlan划分，一共有4个广播域，通过dhcp下放ip，所以需要4个地址池，由于只有2个物理接口，所以需要4个子接口来管理不同的vlan下放ip

路由器配置

[Huawei]int GigabitEthernet 0/0/0.1
[Huawei-GigabitEthernet0/0/0.1]ip address 192.168.1.254 24
[Huawei-GigabitEthernet0/0/0.1]dot1q termination vid 10

[Huawei-GigabitEthernet0/0/0.1]arp broadcast enable

[Huawei]interface GigabitEthernet 0/0/0.2
[Huawei-GigabitEthernet0/0/0.2]ip address 192.168.2.254 24

[Huawei-GigabitEthernet0/0/0.2]dot1q termination vid 20

[Huawei-GigabitEthernet0/0/0.2]arp broadcast enable

[Huawei]int GigabitEthernet 0/0/1.1
[Huawei-GigabitEthernet0/0/1.1]ip address 192.168.3.254 24
[Huawei-GigabitEthernet0/0/1.1]dot1q termination vid 10

[Huawei-GigabitEthernet0/0/1.1]arp broadcast enable

[Huawei]int GigabitEthernet 0/0/1.2
[Huawei-GigabitEthernet0/0/1.2]ip address 192.168.4.254 24
[Huawei-GigabitEthernet0/0/1.2]dot1q termination vid 20

[Huawei-GigabitEthernet0/0/1.2]arp broadcast enabl

交换机1

[Huawei]vlan batch 10 20

[Huawei]int GigabitEthernet 0/0/2
[Huawei-GigabitEthernet0/0/2]port link-type access

[Huawei-GigabitEthernet0/0/2]port default vlan 10

[Huawei]int GigabitEthernet 0/0/3
[Huawei-GigabitEthernet0/0/3]port link-type access
[Huawei-GigabitEthernet0/0/3]port default vlan 20

[Huawei]int GigabitEthernet 0/0/1
[Huawei-GigabitEthernet0/0/1]port link-type trunk

[Huawei-GigabitEthernet0/0/1]port trunk allow-pass vlan 10 20

交换机2

[Huawei]vlan batch 10 20

[Huawei]int GigabitEthernet 0/0/2
[Huawei-GigabitEthernet0/0/2]port link-type access
[Huawei-GigabitEthernet0/0/2]port default vlan 10

[Huawei]int GigabitEthernet 0/0/3
[Huawei-GigabitEthernet0/0/3]port link-type access
[Huawei-GigabitEthernet0/0/3]port default vlan 20

[Huawei]int GigabitEthernet 0/0/1
[Huawei-GigabitEthernet0/0/1]port link-type trunk

[Huawei]int GigabitEthernet 0/0/1
[Huawei-GigabitEthernet0/0/1]port trunk allow-pass vlan 10 20

查看vlan表

测试