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To restore to the default value, please use no dhcp-snooping global
command.
Syntax
ip dhcp snooping global [ global-rate global-rate ] [ dec-threshold
dec-threshold ] [ dec-rate dec-rate ]
no ip dhcp snooping global
Parameter
global-rate —— The value to specify the maximum amount of DHCP messages
that can be forwarded by the switch per second. The excessive messages will
be discarded. The options are 0/10/20/30/40/50 (packet/second).By default, it is
0 standing for disable.
dec-threshold ——The value to specify the minimum transmission rate of the
Decline packets to trigger the Decline protection for the specific port. The
options are 0/5/10/15/20/25/30 (packet/second).By default, it is 0 standing for
disable.
dec-rate ——The value to specify the Decline Flow Control. The traffic flow of
the corresponding port will be limited to be this value if the transmission rate of
the Decline packets exceeds the Decline Threshold. The options are
5/10/15/20/25/30 (packet/second). By default, it is 5.
Command Mode
Global Configuration Mode
Example
Configure the Global Flow Control as 30pps, the Decline Threshold as 20 pps,
and decline Flow Control as 20 pps for DHCP Snooping:
TL-SG3424(config)# ip dhcp snooping global global-rate 30 dec-threshold 20
dec-rate 20
ip dhcp snooping information option
Description
The ip dhcp snooping information option command is used to enable the
Option 82 function of DHCP Snooping. To disable the Option 82 function, please
use no ip dhcp snooping information option command.