Specifications

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14.2.1 Global Config
Choose the menu Network Security→DHCP Snooping→Global Config to load the following
page.
Figure 14-8 DHCP Snooping
Note:
If you want to enable the DHCP Snooping feature for the member port of LAG, please ensure the
parameters of all the member ports are the same.
The following entries are displayed on this screen:

DHCP Snooping Configuration
DHCP Snooping:
Enable/Disable the DHCP Snooping function globally.
Global Rate Limit
:
Select the value to specify the maximum amount of DHCP
messag
es that can be forwarded by the switch per second. The
excessive massages will be discarded.
Decline
Rate Threshold:
Select the value to specify the minimum transmission rate of the
Decline packets to trigger the Decline protection for the specific
port.
Decline
Rate Limit:
Select the value to specify the maximum amount of Decline
packets. 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 Rate Threshold.