組網及說明
現有一臺S5820交換機,連接兩個不同的局域網,現要求兩個不同的局域網通過DHCP自動獲取IP地址後實現互聯互通。
網絡拓撲圖如下:
配置步驟
(1)將交換機的名字修改為SW1
(2)在交換機分別創建VLAN 10、VLAN 20
(3)VLAN 10的IP設置為:192.168.10.1 255.255.255.0
(4)VLAN 20的IP設置為:192.168.20.1 255.255.255.0
(5)將F0/1端口劃分到VLAN 10
(6)將F0/2端口劃分到VLAN 20
(7)開啟DHCP功能
(8)分別創建兩個地址池,分配子網、默認網關、DNS
(9)PC_2和PC_3都能通過DHCP自動獲取IP地址
配置關鍵點
將交換機的名字修改為SW1:
system-view
[H3C]sysname SW1
在交換機分別創建VLAN 10、VLAN 20:
[SW1]vlan 10
[SW1-vlan10]quit
[SW1]vlan 20
[SW1-vlan20]quit
VLAN 10的IP設置為:192.168.10.1 255.255.255.0:
[SW1]int vlan 10
[SW1-Vlan-interface10]ip address 192.168.10.1 24
[SW1-Vlan-interface10]quit
VLAN 20的IP設置為:192.168.20.1 255.255.255.0:
[SW1]int vlan 20
[SW1-Vlan-interface20]ip address 192.168.20.1 24
[SW1-Vlan-interface20]quit
將GI1/0/1端口劃分到VLAN 10:
[SW1]int gi 1/0/1
[SW1-GigabitEthernet1/0/1]port link-type access
[SW1-GigabitEthernet1/0/1]port access vlan 10
[SW1-GigabitEthernet1/0/1]quit
將GI1/0/2端口劃分到VLAN 20:
[SW1]int gi 1/0/2
[SW1-GigabitEthernet1/0/2]port link-type access
[SW1-GigabitEthernet1/0/2]port access vlan 20
[SW1-GigabitEthernet1/0/2]quit
開啟DHCP功能:
[SW1]dhcp enable
創建DHCP地址池,命名為VLAN10,分配網段、子網掩碼、默認網關、DNS:
[SW1]dhcp server ip-pool vlan10
[SW1-dhcp-pool-vlan10]network 192.168.10.0 mask 255.255.255.0
[SW1-dhcp-pool-vlan10]gateway-list 192.168.10.1
[SW1-dhcp-pool-vlan10]dns-list 114.114.114.114
[SW1-dhcp-pool-vlan10]quit
[SW1]
創建DHCP地址池,命名為VLAN20,分配網段、子網掩碼、默認網關、DNS:
[SW1]dhcp server ip-pool vlan20
[SW1-dhcp-pool-vlan20]network 192.168.20.0 mask 255.255.255.0
[SW1-dhcp-pool-vlan20]gateway-list 192.168.20.1
[SW1-dhcp-pool-vlan20]dns-list 114.114.114.114
[SW1-dhcp-pool-vlan20]quit
PC0和PC1都能通過DHCP自動獲取IP地址:
在交換機查看DHCP分配的情況:
[SW1]dis dhcp server ip-in-use
IP address Client identifier/ Lease expiration Type
Hardware address
192.168.10.2 0033-3661-612e-3339- Dec 10 21:35:46 2019 Auto(C)
3463-2e30-3230-362d-
4745-302f-302f-31
192.168.20.2 0033-3661-612e-3430- Dec 10 21:35:55 2019 Auto(C)
3135-2e30-3330-362d-
4745-302f-302f-31
[SW1]