DHCP Snooping:
Enable/Disable the DHCP Snooping function globally.
Global Flow Control:
Select the value to specify the maximum amount of DHCP
messages that can be forwarded by the switch per second.
The excessive massages will be discarded.
Decline Threshold:
Select the value to specify the minimum transmission rate of
the Decline packets to trigger the Decline protection for the
specific port.
Decline Flow Control:
Select 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.
¾
Option 82 Config
Option 82 Support:
Enable/Disable the Option 82 feature.
Existed Option 82 field:
Select the operation for the Option 82 field of the DHCP
request packets from the Host.
z
Keep: Indicates to keep the Option 82 field of the
packets.
z
Replace: Indicates to replace the Option 82 field of the
packets with the switch defined one.
z
Drop: Indicates to discard the packets including the
Option 82 field.
Customization:
Enable/Disable the switch to define the Option 82.
Circuit ID:
Enter the sub-option Circuit ID for the customized Option 82.
Remote ID:
Enter the sub-option Remote ID for the customized Option 82.
¾
Port Config
Port Select:
Click the
Select
button to quick-select the corresponding port
based on the port number you entered.
Select:
Select your desired port for configuration. It is multi-optional.
Port:
Displays the port number.
Trusted Port:
Select Enable/Disable the port to be a Trusted Port. Only the
Trusted Port can receive the DHCP packets from DHCP
servers.
MAC Verify:
Select Enable/Disable the MAC Verify feature. There are two
fields of the DHCP packet containing the MAC address of the
Host. The MAC Verify feature is to compare the two fields and
discard the packet if the two fields are different.
Flow Control:
Select Enable/Disable the Flow Control feature for the DHCP
packets. The excessive DHCP packets will be discarded.
Decline Protect:
Select Enable/Disable the Decline Protect feature.
LAG:
Displays the LAG to which the port belongs to.
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