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DGS-3130 Series Layer 3 Stackable Managed Switch Web UI Reference Guide
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To view the following window, click Management > DHCP > DHCP Relay > DHCP Relay Information Settings, as
shown below:
Figure 4-491 DHCP Relay Information Settings Window
The fields that can be configured are described below:
Parameter Description
Information Trust All Select this option to enable or disable the DHCP relay agent to trust the IP
DHCP relay information for all interfaces.
information Check 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.
Information Policy
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.
Information Option Select this option to enable or disable the insertion of relay agent information
(Option 82) during the relay of DHCP request packets.
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.
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