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Configuring DHCP Service Configuration Examples
User Guide 603
3) Choose the menu L3 FEATURES > DHCP Service > DHCP Relay > DHCP Interface
Relay and click to load the following page. Specify the DHCP server address
to assign IP addresses for clients in VLAN 2. Click Create.
Figure 5-31 Specify DHCP Server for Interface VLAN 2
4) Click to save the settings.
Using the CLI
Follow these steps to configure DHCP relay and enable Optionî™»82 in DHCP Relay on
Switchî™»A:
1) Enable DHCP Relay.
Switch#configure
Switch(config)#service dhcp relay
2) Enable Optionî™»82 for port 1/0/1 and port 1/0/2. Set Optionî™»82 policy as Replace. You
can configure other parameters according to your needs. In this example, the Format is
set as Normal, and Circuit ID Customization and Remote ID Customization as Disabled.
Switch#(config)#interface range gigabitEthernet 1/0/1-2
Switch(config-if)#ip dhcp relay information option
Switch(config-if)#ip dhcp relay information strategy replace
Switch(config-if)#ip dhcp relay information format normal
Switch(config-if)#exit
3) Specify the DHCP server for the interface VLAN 2.
Switch(config)#interface vlan 2
Switch(config-if)#ip helper-address 192.168.0.59
Switch(config-if)#end
Switch#copy running-config startup-config
4) Verify the Configurations
View global settings:
Switch#show ip dhcp relay
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