TP-Link T3700G-28TQ T3700G-28TQ V1 UG - Page 156
DHCP Server, Tips for Con DHCP Server Function on T3700G-28TQ
View all TP-Link T3700G-28TQ manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 156 highlights
With a DHCP Relay running between the client and the server, when receiving a DHCP-DISCOVER packet transmitting from the Relay, the switch will choose the IP from the IP pool in the same subnet with the Relay's IP to assign to the client. If the IP pool is not configured on the switch or the configured IP pool doesn't match the Relay's network segment, the client may not get network parameters successfully. The switch can detect the IP address automatically before assigning it to avoid conflict. IP Detection To avoid IP conflict, the switch will detect the IP address to be assigned in LAN through Ping test. The DHCP server will send the Ping test packet with the destination IP being the IP address to be assigned. If the server receives the Reply packet from the destination host in the ping time, it means that the IP address has been used, and the server will choose another IP as destination IP to test again. The server will assign the IP address if the server not receives the Reply packet in the Ping time. Policy of IP Assignment The switch chooses the IP assigned to clients based on the rules shown as follows. 1) First, the server will choose the IP which has been bound to the client manually. 2) Then, the server will assign the IP which has been assigned to the client once. 3) For the next, the server will assign the IP which is specified in the DHCP-DISCOVER packet from the client. 4) At last, the server will choose the first IP from the IP pool which has not been assigned. Tips for Configure DHCP Server Function on T3700G-28TQ 1) Configure the Excluded IP address which can not be assigned by the switch, e.g. web server's IP, broadcast IP of subnet and gateway's IP. 2) Specify IP address for specific clients, and then the switch will supply these IP address to them only for ever. 3) Configure the IP pool in which the IP address can be assigned to the clients. The DHCP Server, allowing the clients in all VLANs to get the IP address from the server automatically, is implemented on the DHCP Server, Pool Setting, Manual Binding, Binding Table and Packet Statistics pages. 10.4.1 DHCP Server This page allows you to enable the DHCP Server function, configure the Excluded IP Address which can not be assigned by the switch in every network. Choose the menu Routing→DHCP Server→DHCP Server to load the following page. 145