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ip dhcp snooping global

Description

The ip dhcp snooping global command is configure DHCP-Snooping globally.

To restore to the default value, please use no ip 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-SG5428(config)# ip dhcp snooping global global-rate 30 dec-threshold

20 dec-rate 20

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