TP-Link T1600G-18TS Jetstream Smart Switches User Guide - Page 483

Configuring DHCP Service DHCP Relay Configuration Step 2 Enter Layer 3 Interface Configuration Mode: Enter VLAN Interface Configuration Mode: interface vlan vlan-id vlan-id: Specify an IEEE 802.1Q VLAN ID that already exists, ranging from 1 to 4094. Enter Routed Port Configuration Mode: interface { fastEthernet port | gigabitEthernet port | ten-gigabitEthernet port } Enter Interface Configuration Mode. port: Specify the Ethernet port number, for example, 1/0/1. no switchport Switch the Layer 2 port into the Layer 3 routed port. Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Enter Port-channel Interface Configuration Mode: interface { port-cahnnel port-channel } Enter Interface Configuration Mode. port-channel: Specify the port channel. Valid values are from 1 to 14. no switchport Switch the port channel to a Layer 3 port channel interface. ip dhcp relay default-interface Set the interface as the default relay-agent interface. If the VLAN that the clients belong to does not have an IP address, the switch will use the IP address of this interface to fill in the Relay Agent IP Address field of DHCP packets from the DHCP clients. exit Return to Global Configuration Mode. ip dhcp relay vlan vid helper-address ip-address Specify the VLAN ID and the DHCP server. vid: Enter the ID of the VLAN, in which the hosts can dynamically get the IP addresses from the DHCP server. ip-address: Enter the IP address of the DHCP server. show ip dhcp relay Verify the configuration of DHCP Relay. end Return to Privileged EXEC Mode. copy running-config startup-config Save the settings in the configuration file. User Guide 458