一、DHCP服务（relay中继模式）

一、配置接入交换机LSW 2
The device is running!
sys
Enter system view, return user view with Ctrl+Z.
[Huawei]undo info-center enable
Info: Information center is disabled.
[Huawei]sysname LSW2
[LSW2]vlan batch 10 20
Info: This operation may take a few seconds. Please wait for a moment…done.
[LSW2]int e0/0/1
[LSW2-Ethernet0/0/1]port link-type trunk
[LSW2-Ethernet0/0/1]port trunk allow-pass vlan 10 20
[LSW2-Ethernet0/0/1]int e0/0/2
[LSW2-Ethernet0/0/2]port link-type access
[LSW2-Ethernet0/0/2]port default vlan 10
[LSW2-Ethernet0/0/2]quit
[LSW2]int e0/0/3
[LSW2-Ethernet0/0/3]port link-type access
[LSW2-Ethernet0/0/3]port default vlan 20
[LSW2-Ethernet0/0/3]quit
[LSW2]quit
save
The current configuration will be written to the device.
Are you sure to continue?[Y/N]y
Info: Please input the file name ( *.cfg, *.zip ) [vrpcfg.zip]:
Now saving the current configuration to the slot 0.
Save the configuration successfully.

二、配置接入交换机LSW3
The device is running!
sys
Enter system view, return user view with Ctrl+Z.
[Huawei]undo info-center enable
Info: Information center is disabled.
[Huawei]sysname LSW3
[LSW3]vlan batch 30 40
Info: This operation may take a few seconds. Please wait for a moment…done.
[LSW3]int e0/0/1
[LSW3-Ethernet0/0/1]port link-type trunk
[LSW3-Ethernet0/0/1]port trunk allow-pass vlan 30 40
[LSW3-Ethernet0/0/1]int e0/0/2
[LSW3-Ethernet0/0/2]port link-type access
[LSW3-Ethernet0/0/2]port default vlan 30
[LSW3-Ethernet0/0/2]int e0/0/3
[LSW3-Ethernet0/0/3]port link-type access
[LSW3-Ethernet0/0/3]port default vlan 40
[LSW3-Ethernet0/0/3]quit
[LSW3]quit
save
The current configuration will be written to the device.
Are you sure to continue?[Y/N]y
Info: Please input the file name ( *.cfg, *.zip ) [vrpcfg.zip]:
Now saving the current configuration to the slot 0.
Save the configuration successfully.

三、配置汇聚交换机LSW1
The device is running!
sys
Enter system view, return user view with Ctrl+Z.
[Huawei]undo info-center enable
Info: Information center is disabled.
[Huawei]sysname LSW1
[LSW1]vlan batch 10 20 30 40 100
Info: This operation may take a few seconds. Please wait for a moment…done.
[LSW1]int g0/0/1
[LSW1-GigabitEthernet0/0/1]port link-type access
[LSW1-GigabitEthernet0/0/1]port default vlan 100
[LSW1-GigabitEthernet0/0/1]int g0/0/2
[LSW1-GigabitEthernet0/0/2]port link-type trunk
[LSW1-GigabitEthernet0/0/2]port trunk allow-pass vlan 10 20
[LSW1-GigabitEthernet0/0/2]int g0/0/3
[LSW1-GigabitEthernet0/0/3]port link-type trunk
[LSW1-GigabitEthernet0/0/3]port trunk allow-pass vlan 30 40
[LSW1-GigabitEthernet0/0/3]quit
[LSW1]int vlanif 100
[LSW1-Vlanif100]ip add 10.1.1.2 24
[LSW1-Vlanif100]quit
[LSW1]int vlanif 10
[LSW1-Vlanif10]ip add 172.16.10.254 24
[LSW1-Vlanif10]int vlanif 20
[LSW1-Vlanif20]ip add 172.16.20.254 24
[LSW1-Vlanif20]int vlanif 30
[LSW1-Vlanif30]ip add 172.16.30.254 24
[LSW1-Vlanif30]int vlanif 40
[LSW1-Vlanif40]ip add 172.16.40.254 24
[LSW1-Vlanif40]quit
[LSW1]ip route-static 0.0.0.0 0 10.1.1.1
[LSW1]quit
save
The current configuration will be written to the device.
Are you sure to continue?[Y/N]y
Info: Please input the file name ( *.cfg, *.zip ) [vrpcfg.zip]:
Now saving the current configuration to the slot 0.
Save the configuration successfully.

四、配置路由器DHCP Server
The device is running!
sys
Enter system view, return user view with Ctrl+Z.
[Huawei]undo info-center enable
Info: Information center is disabled.
[Huawei]sysname DHCP-Server
[DHCP-Server]int g0/0/0
[DHCP-Server-GigabitEthernet0/0/0]ip address 10.1.1.1 24
[DHCP-Server-GigabitEthernet0/0/0]quit
[DHCP-Server]dhcp enable
Info: The operation may take a few seconds. Please wait for a moment.done.
[DHCP-Server]ip pool jxskxy-10
Info:It’s successful to create an IP address pool.
[DHCP-Server-ip-pool-jxskxy-10]gateway-list 172.16.10.254
[DHCP-Server-ip-pool-jxskxy-10]network 172.16.10.0 mask 24
[DHCP-Server-ip-pool-jxskxy-10]dns-list 211.141.85.68
[DHCP-Server-ip-pool-jxskxy-10]dns-list 8.8.8.8
[DHCP-Server-ip-pool-jxskxy-10]quit
[DHCP-Server]ip pool jxskxy-20
Info:It’s successful to create an IP address pool.
[DHCP-Server-ip-pool-jxskxy-20]network 172.16.20.0 mask 24
[DHCP-Server-ip-pool-jxskxy-20]gateway-list 172.16.20.254
[DHCP-Server-ip-pool-jxskxy-20]dns-list 211.141.85.68
[DHCP-Server-ip-pool-jxskxy-20]dns-list 8.8.8.8
[DHCP-Server-ip-pool-jxskxy-20]quit
[DHCP-Server]ip pool jxskxy-30
Info:It’s successful to create an IP address pool.
[DHCP-Server-ip-pool-jxskxy-30]network 172.16.30.0 mask 24
[DHCP-Server-ip-pool-jxskxy-30]gateway-list 172.16.30.254
[DHCP-Server-ip-pool-jxskxy-30]dns-list 211.141.85.68
[DHCP-Server-ip-pool-jxskxy-30]dns-list 8.8.8.8
[DHCP-Server-ip-pool-jxskxy-30]quit
[DHCP-Server]ip pool jxskxy-40
Info:It’s successful to create an IP address pool.
[DHCP-Server-ip-pool-jxskxy-40]network 172.16.40.0 mask 24
[DHCP-Server-ip-pool-jxskxy-40]gateway-list 172.16.40.254
[DHCP-Server-ip-pool-jxskxy-40]dns-list 211.141.85.68
[DHCP-Server-ip-pool-jxskxy-40]dns-list 8.8.8.8
[DHCP-Server-ip-pool-jxskxy-40]quit
[DHCP-Server]int g0/0/0
[DHCP-Server-GigabitEthernet0/0/0]dhcp select global
[DHCP-Server-GigabitEthernet0/0/0]quit
[DHCP-Server]ip route-static 0.0.0.0 0 10.1.1.2
[DHCP-Server]quit
save
The current configuration will be written to the device.
Are you sure to continue?[Y/N]
Error: Please choose ‘YES’ or ‘NO’ first before pressing ‘Enter’. [Y/N]:
Error: Please choose ‘YES’ or ‘NO’ first before pressing ‘Enter’. [Y/N]:n
save
The current configuration will be written to the device.
Are you sure to continue?[Y/N]y
Info: Please input the file name ( *.cfg, *.zip ) [vrpcfg.zip]:
Now saving the current configuration to the slot 17.
Save the configuration successfully.

五、配置LSW1中继
The device is running!
sys
Enter system view, return user view with Ctrl+Z.
[LSW1]dhcp enable
Info: The operation may take a few seconds. Please wait for a moment.done.
[LSW1]int vlanif 10
[LSW1-Vlanif10]dhcp select relay
[LSW1-Vlanif10]dhcp relay server-ip 10.1.1.1
[LSW1-Vlanif10]quit
[LSW1]int vlanif 20
[LSW1-Vlanif20]dhcp select relay
[LSW1-Vlanif20]dhcp relay server-ip 10.1.1.1
[LSW1-Vlanif20]quit
[LSW1]int vlanif 30
[LSW1-Vlanif30]dhcp select relay
[LSW1-Vlanif30]dhcp relay server-ip 10.1.1.1
[LSW1-Vlanif30]quit
[LSW1]int vlanif 40
[LSW1-Vlanif40]dhcp select relay
[LSW1-Vlanif40]dhcp relay server-ip 10.1.1.1
[LSW1-Vlanif40]quit
[LSW1]quit
save
The current configuration will be written to the device.
Are you sure to continue?[Y/N]y
Now saving the current configuration to the slot 0…
Save the configuration successfully.














实验完成。