4-4If a client’srequestingmessage has…HandlingstrategyPaddingformat The DHCP snooping device will…Drop Random Drop the message.Keep Random Forward the message without changingOption 82.normalForward the message after replacing theoriginal Option 82 with the Option 82padded in normal format.verboseForward the message after replacing theoriginal Option 82 with the Option 82padded in verbose format.Option 82Replaceuser-definedForward the message after replacing theoriginal Option 82 with the user-definedOption 82.— normal Forward the message after adding theOption 82 padded in normal format.— verbose Forward the message after adding theOption 82 padded in verbose format.no Option 82— user-defined Forward the message after adding theuser-defined Option 82.The handling strategy and padding format for Option 82 on the DHCP snooping device are the same asthose on the relay agent.Configuring DHCP Snooping Basic FunctionsFollow these steps to configure DHCP snooping basic functions:To do… Use the command… RemarksEnter system view system-view —Enable DHCP snooping dhcp-snooping RequiredDisabled by default.Enter Ethernet interface view interface interface-typeinterface-number —Specify the port as trusted dhcp-snooping trust[ no-user-binding ]RequiredUntrusted by default.
