Operation Manual – DHCPH3C S7500 Series Ethernet Switches Chapter 3 DHCP Relay Agent Configuration3-8To do… Use the command… RemarksConfigure the strategy forthe DHCP relay agent toprocess request packetscontaining option 82dhcp relay informationstrategy { drop | keep |replace }OptionalBy default, the replacepolicy is adoptedNote:To enable option 82, you need to perform the corresponding configuration on theDHCP server and the DHCP relay agent.3.3 Displaying and Maintaining DHCP Relay AgentTo do… Use the command… RemarksDisplay the information about aspecified DHCP server group display dhcp-server groupNoDisplay the information about theDHCP server group to which aspecified VLAN interface ismappeddisplay dhcp-server interfacevlan-interface vlan-idDisplay the address informationof all the users in the valid useraddress table of the DHCPserver groupdisplay dhcp-security[ ip-address | dynamic | static ]Available inany viewClear the statistics information ofthe specified DHCP server group reset dhcp-server groupNo Available inuser view3.4 DHCP Relay Agent Configuration ExampleI. Network requirementsThe DHCP clients on the network segment 10.110.0.0/16 are connected to a port ofVLAN 2. The IP address of the DHCP server is 202.38.1.2. DHCP packets betweenthe DHCP clients and the DHCP server are forwarded by the DHCP relay agent,through which the DHCP clients can obtain IP addresses and related configurationinformation from the DHCP server.
