VLAN的配置及其应用（以华为eNSP为例）

如有错误，敬请谅解！

此文章仅为本人学习笔记，仅供参考，如有冒犯，请联系作者删除！！！

基础知识介绍：

    创建vlan：

[Huawei]vlan 2

     划⼊接⼝：

[Huawei]interface e0/0/1
[Huawei-Ethernet0/0/1]port link-type access 改模式为接⼊
[Huawei-Ethernet0/0/1]port default vlan 2 划⼊vlan 2

    trunk的封装模式：

类别	dot1q	isl
大小	4b	20b
支持协议	只⽀持tcp/ip	⽀持所有协议
	公有协议	cisco私有

    虚拟⼦接⼝：

[dhcp]interface g0/0/0.1
[dhcp-GigabitEthernet0/0/0.1]dot1q termination vid 2
[dhcp-GigabitEthernet0/0/0.1]ip address 192.168.1.1 24

    调⽤：

[dhcp]interface g0/0/0.1
[dhcp-GigabitEthernet0/0/0.1]dhcp select global
[dhcp-GigabitEthernet0/0/0.1]arp broadcast enable

实验拓扑图：

 一、为PC1、PC2、PC3、PC4下放指定IP

     为交换机设置vlan: 

[Huawei]vlan 2
[Huawei]vlan 3
[Huawei]vlan 4
[Huawei]vlan 5

[Huawei]interface e0/0/2
[Huawei-Ethernet0/0/2]port link-type access 	
[Huawei-Ethernet0/0/2]port default vlan 2
[Huawei]interface e0/0/3
[Huawei-Ethernet0/0/3]port link-type access
[Huawei-Ethernet0/0/3]port default vlan 3
[Huawei]interface e0/0/4
[Huawei-Ethernet0/0/4]port link-type access
[Huawei-Ethernet0/0/4]port default vlan 4
[Huawei-Ethernet0/0/4]quit
[Huawei]interface e0/0/5
[Huawei-Ethernet0/0/5]port link-type access
[Huawei-Ethernet0/0/5]port default vlan 5
[Huawei-Ethernet0/0/5]quit

    为交换机e0/0/1接口设置trunk

[Huawei]interface e0/0/1	
[Huawei-Ethernet0/0/1]port link-type trunk 
[Huawei-Ethernet0/0/1]port trunk allow-pass vlan all

     配置虚拟子接口IP并划分vlan：

[r1]interface g0/0/0.1	
[r1-GigabitEthernet0/0/0.1]ip address 172.16.1.1 24
[r1]interface g0/0/0.2
[r1-GigabitEthernet0/0/0.2]ip address 172.16.2.1 24
[r1]interface g0/0/0.3
[r1-GigabitEthernet0/0/0.3]ip address 172.16.3.1 24
[r1]interface g0/0/0.4
[r1-GigabitEthernet0/0/0.4]ip address 172.16.4.1 24

[r1]dhcp enable 
[r1]interface g0/0/0.1	
[r1-GigabitEthernet0/0/0.1]dot1q termination vid 2
[r1]interface g0/0/0.2
[r1-GigabitEthernet0/0/0.2]dot1q termination vid 3
[r1]interface g0/0/0.3
[r1-GigabitEthernet0/0/0.3]dot1q termination vid 4
[r1]interface g0/0/0.4
[r1-GigabitEthernet0/0/0.4]dot1q termination vid 5

     开启DHCP服务并配置dhcp

[r1]dhcp enable 

[r1]ip pool 1
[r1-ip-pool-1]network 172.16.1.0 mask 255.255.255.0
[r1-ip-pool-1]gateway-list 172.16.1.1	
[r1-ip-pool-1]dns-list 8.8.8.8
[r1-ip-pool-1]quit

[r1]ip pool 2
[r1-ip-pool-2]network 172.16.2.0 mask 255.255.255.0
[r1-ip-pool-2]gateway-list 172.16.2.1
[r1-ip-pool-2]dns-list 8.8.8.8
[r1-ip-pool-2]quit

[r1]ip pool 3
[r1-ip-pool-3]network 172.16.3.0 mask 255.255.255.0
[r1-ip-pool-3]dns-list 8.8.8.8
[r1-ip-pool-3]gateway-list 172.16.3.1
[r1-ip-pool-3]quit

[r1]ip pool 4
[r1-ip-pool-4]network 172.16.4.0 mask 255.255.255.0
[r1-ip-pool-4]gateway-list 172.16.4.1
[r1-ip-pool-4]dns-list 8.8.8.8
[r1-ip-pool-4]quit

    调用：

[r1]interface g0/0/0.1
[r1-GigabitEthernet0/0/0.1]dhcp select global 		
[r1-GigabitEthernet0/0/0.1]arp broadcast  enable 
[r1-GigabitEthernet0/0/0.1]quit
[r1]interface g0/0/0.2
[r1-GigabitEthernet0/0/0.2]dhcp select global
[r1-GigabitEthernet0/0/0.2]arp broadcast enable
[r1-GigabitEthernet0/0/0.2]quit
[r1]interface g0/0/0.3
[r1-GigabitEthernet0/0/0.3]dhcp select global
[r1-GigabitEthernet0/0/0.3]arp broadcast enable
[r1-GigabitEthernet0/0/0.3]quit
[r1]interface g0/0/0.4
[r1-GigabitEthernet0/0/0.4]dhcp select global
[r1-GigabitEthernet0/0/0.4]arp broadcast enable
[r1-GigabitEthernet0/0/0.4]quit

    同样上述操作为PC5、PC6 下放指定IP。

二、为路由器个节点配置IP地址

    以路由器r2为例：

[r2]interface LoopBack 0
[r2-LoopBack0]ip address 2.2.2.2 32
[r2]interface g0/0/0	
[r2-GigabitEthernet0/0/0]ip address 12.1.1.2 24
[r2]interface g0/0/1
[r2-GigabitEthernet0/0/1]ip address 23.1.1.1 24

三、利用OSPF协议，将三个路由器划进一个区域

  以路由器r2为例：

[r2]ospf 100 router-id 2.2.2.2
[r2-ospf-100]area 1	
[r2-ospf-100-area-0.0.0.1]network  0.0.0.0 255.255.255.255

四、测试

 以上过程即为所求，欢迎同行朋友予以斧正！万分感谢!