TL-SL5428E
 
24-port 10/100Mbps + 4-port Gigabit L2 Managed Switch CLI Guide
 
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TP-LINK(config)# dhcp-snooping global global-rate  80  dec-threshold 20 
dec-rate 20 
dhcp-snooping information enable 
Description 
The  dhcp-snooping information enable command is used to enable the 
Option 82 function of DHCP Snooping. To disable the Option 82 function, please 
use no dhcp-snooping information enable command. 
Syntax 
dhcp-snooping information enable 
no dhcp-snooping information enable 
Command Mode 
Global Configuration Mode 
Example 
Enable the Option 82 function of DHCP Snooping: 
TP-LINK(config)# dhcp-snooping information enable 
dhcp-snooping information strategy 
Description 
The  dhcp-snooping information strategy command is used to select the 
operation for the Option 82 filed of the DHCP request packets from the Host. To 
restore to the default option, please use no dhcp-snooping information 
strategy command.   
Syntax 
dhcp-snooping information strategy {keep | replace | drop} 
no dhcp-snooping information strategy 
Parameter 
keep ——Indicates to keep the Option 82 field of the packets. It is the default 
option. 
replace ——Indicates to replace the Option 82 field of the packets with the