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Configuring DHCP Service Configuration Examples
User Guide 599
Switch(dhcp-config)#lease 120
Switch(dhcp-config)#default-gateway 192.168.0.1
Switch(dhcp-config)#dns-server 192.168.0.2
Switch(dhcp-config)#end
Switch#copy running-config startup-config
â– Configuring the VLAN on the Relay Agent
Switch#configure
Switch(config)# vlan 10
Switch(config-vlan)#name Marketing
Switch(config-vlan)#exit
Switch(config)#interface gigabitEthernet 1/0/1
Switch(config-if)#switchport general allowed vlan 10 untagged
Switch(config-if)#exit
Switch(config)# vlan 20
Switch(config-vlan)#name RD
Switch(config-vlan)#exit
Switch(config)#interface gigabitEthernet 1/0/2
Switch(config-if)#switchport general allowed vlan 20 untagged
Switch(config-if)#exit
â– Configuring DHCP VLAN Relay on the Relay Agent
1) Enable DHCP Relay.
Switch(config)#service dhcp relay
2) Specify the routed port 1/0/5 as the default relay agent interface.
Switch(config)#interface vlan 1
Switch(config-if)#ip dhcp relay default-interface
Switch(config-if)#exit
3) Specify the DHCP server for VLAN 10 and VLAN 20
Switch(config)#ip dhcp relay vlan 10 helper-address 192.168.0.59
Switch(config)#ip dhcp relay vlan 20 helper-address 192.168.0.59
Switch(config)#exit
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