項目場景：

通過對如圖拓撲的網絡進行相應需求的配置，全網可通。

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需求分析：

按照要求劃分VLAN，全網可達，電腦IP使用DHCP獲取。

如圖拓撲原本共兩個網段，左邊的區域和右邊的區域。

需要把PC1和PC3劃分到VLAN 2 --- 192.168.1.0/24

需要把PC2和PC4劃分到VLAN 3 --- 192.168.2.0/24

需要把PC5劃分到VLAN 2 --- 192.168.3.0/24

需要把PC6劃分到VLAN 3 --- 192.168.4.0/24

實驗步驟：

1.?設備改名：

[Huawei]sys SW1/SW2/SW3/R1

2. 配置SW2：

① 創建VLAN：

[SW2]vlan 2
[SW2-vlan2]
[SW2]vlan 3
[SW2-vlan3]

②?將接口劃入VLAN

[SW2]interface GigabitEthernet 0/0/2??
[SW2-GigabitEthernet0/0/2]port link-type access
[SW2-GigabitEthernet0/0/2]port default vlan 2

[SW2]interface GigabitEthernet 0/0/3
[SW2-GigabitEthernet0/0/3]port link-type access
[SW2-GigabitEthernet0/0/3]port default vlan 3

③?配置trunk干道

[SW2]interface GigabitEthernet 0/0/1
[SW2-GigabitEthernet0/0/1]port link-type trunk?

[SW2-GigabitEthernet0/0/1]port trunk allow-pass vlan all

3. 配置SW1

① 創建VLAN：

[SW1]vlan 2
[SW1-vlan2]
[SW1]vlan 3
[SW1-vlan3]

②?將接口劃入VLAN：

[SW1]interface GigabitEthernet 0/0/3
[SW1-GigabitEthernet0/0/3]port link-type access?
[SW1-GigabitEthernet0/0/3]port default vlan 2
[SW1]interface GigabitEthernet 0/0/4
[SW1-GigabitEthernet0/0/4]port link-type access
[SW1-GigabitEthernet0/0/4]port default vlan 3

③?配置trunk干道：

[SW1]interface GigabitEthernet 0/0/2
[SW1-GigabitEthernet0/0/2]port link-type trunk?
[SW1-GigabitEthernet0/0/2]port trunk allow-pass vlan all

[SW1]interface GigabitEthernet 0/0/1??
[SW1-GigabitEthernet0/0/1]port link-type trunk?? ?
[SW1-GigabitEthernet0/0/1]port trunk allow-pass vlan all

4. 配置SW3

① 創建VLAN：

[SW3]vlan 2
[SW3-vlan2]
[SW3]vlan 3
[SW3-vlan3]

②?將接口劃入VLAN：

[SW3]interface GigabitEthernet 0/0/2?
[SW3-GigabitEthernet0/0/2]port link-type access?
[SW3-GigabitEthernet0/0/2]port default vlan 2

[SW3]interface GigabitEthernet 0/0/3
[SW3-GigabitEthernet0/0/3]port link-type access
[SW3-GigabitEthernet0/0/3]port default vlan 3

③?配置trunk干道：

[SW3]interface GigabitEthernet 0/0/1??
[SW3-GigabitEthernet0/0/1]port link-type trunk?? ?
[SW3-GigabitEthernet0/0/1]port trunk allow-pass vlan all

5. 配置路由器R1：VLAN間路由

左邊VLAN2：

[R1]interface GigabitEthernet 0/0/0.1

[R1-GigabitEthernet0/0/0.1]ip address 192.168.1.1 24

[R1-GigabitEthernet0/0/0.1]dot1q termination vid 2 --- 告訴路由器的這個子接口管理

[R1-GigabitEthernet0/0/0.1]arp broadcast enable --- 開啟arp廣播，默認不開啟

左邊VLAN3：

[R1]interface GigabitEthernet 0/0/0.2
[R1-GigabitEthernet0/0/0.2]ip address 192.168.2.1 24
[R1-GigabitEthernet0/0/0.2]dot1q termination vid 3
[R1-GigabitEthernet0/0/0.2]arp broadcast enable

右邊VLAN2：

[R1]interface GigabitEthernet 0/0/1.1
[R1-GigabitEthernet0/0/1.1]ip address 192.168.3.1 24
[R1-GigabitEthernet0/0/1.1]dot1q termination vid 2
[R1-GigabitEthernet0/0/1.1]arp broadcast enable
右邊VLAN3：
[R1]interface GigabitEthernet 0/0/1.2
[R1-GigabitEthernet0/0/1.2]ip address 192.168.4.1 24
[R1-GigabitEthernet0/0/1.2]dot1q termination vid 3
[R1-GigabitEthernet0/0/1.2]arp broadcast enable

5. 配置DHCP

[R1]dhcp enable

左邊VLAN2：

[R1]ip pool v2l
Info: It's successful to create an IP address pool.
[R1-ip-pool-v2l]network 192.168.1.0 mask 24
[R1-ip-pool-v2l]gateway-list 192.168.1.1
[R1-ip-pool-v2l]dns-list 114.114.114.114 8.8.8.8
左邊VLAN3：
[R1]ip pool v3l
Info: It's successful to create an IP address pool.
[R1-ip-pool-v3l]network 192.168.2.0 mask 24
[R1-ip-pool-v3l]gateway-list 192.168.2.1
[R1-ip-pool-v3l]dns-list 114.114.114.114 8.8.8.8
右邊VLAN2：
[R1]ip pool v2r
Info: It's successful to create an IP address pool.
[R1-ip-pool-v2r]network 192.168.3.0 mask 24
[R1-ip-pool-v2r]gateway-list 192.168.3.1
[R1-ip-pool-v2r]dns-list 114.114.114.114 8.8.8.8
右邊VLAN3：
[R1]ip pool v3r
Info: It's successful to create an IP address pool.
[R1-ip-pool-v3r]network 192.168.4.0 mask 24??
[R1-ip-pool-v3r]gateway-list 192.168.4.1
[R1-ip-pool-v3r]dns-list 114.114.114.114 8.8.8.8

進入相應的接口選擇接口支出同全局模式的DHCP服務功能

[R1]interface GigabitEthernet 0/0/0.1??
[R1-GigabitEthernet0/0/0.1]dhcp select global?

[R1]interface GigabitEthernet 0/0/0.2
[R1-GigabitEthernet0/0/0.2]dhcp select global?

[R1]interface GigabitEthernet 0/0/1.1
[R1-GigabitEthernet0/0/1.1]dhcp select global

[R1]interface GigabitEthernet 0/0/1.2
[R1-GigabitEthernet0/0/1.2]dhcp select global

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實驗結果：

總結

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