
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


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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