D-Link DGS-3630 Series Reference Manual page 81

DGS-3630 Series Layer 3 Stackable Managed Switch Web UI Reference Guide
The fields that can be configured are described below:
Parameter
Information Trust All
information Check
Information Policy
Information Option
Information Option VPN
Click the Apply button to accept the changes made.
Click the Edit button to modify the corresponding interface.
Enter a page number and click the Go button to navigate to a specific page when multiple pages exist.
DHCP Relay Information Option Format Settings
This window is used to display and configure the DHCP information format.
To view the following window, click Management > DHCP > DHCP Relay > DHCP Relay Information Option
Format Settings, as shown below:
Figure 4-52 DHCP Relay Information Settings Window
Description
Select this option to enable or disable the DHCP relay agent to trust the IP DHCP
relay information for all interfaces.
Select this option to enable or disable the DHCP relay agent to validate and
remove the relay agent information option in the received DHCP reply packet.
Select the Option 82 re-forwarding policy for the DHCP relay agent. Options to
choose from are Keep, Drop, and Replace.
• Keep - Select to keep the packet that already has the relay option. The
packet is left unchanged and directly relayed to the DHCP server.
• Drop - Select to discard the packet that already has the relay option.
• Replace - Select to replace the packet that already has the relay option. The
packet will be replaced with a new option.
Select this option to enable or disable the insertion of relay agent information
(Option 82) during the relay of DHCP request packets.
Select to enable or disable the information option VPN feature here. This is used
to enable or disable the insertion of VPN-related sub-options for an interface
during the relay of DHCP request packets.
69