196
Customization:
Enable/Disable the switch to define the Option 82.
Remote ID:
Enter the sub-option Remote ID for the customized Option 82.
13.2.2 Port Config
Choose the menu
Network Security
→
DHCP Snooping
→
Port Config
to load the following page.
Figure 13-9 DHCP Snooping
DHCP Snooping Port Configuration
UNIT:1/LAGS:
Click
1
to configure the physical ports. Click
LAGS
to configure
the link aggregation groups.
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 forward 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.
Rate Limit:
Select the value to specify the maximum amount of DHCP
messages that can be forwarded by the switch of this port per
second. The excessive DHCP packets will be discarded.
Decline Protect:
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.
Circuit ID Customization:
Enable or disable the switch to define the Option 82 sub-option
Circuit ID field.