Interlogix NS3550-8T-2S User Manual - Manual (Page 57)

User’s Manual of NS3550-8T-2S
57
Figure 4-2-11: DHCP Relay Configuration Page Screenshot
The page includes the following fields:
Object Description
1. Relay Mode Indicates the DHCP relay mode operation. Possible modes are:

Enabled : Enable DHCP relay mode operation. When enable DHCP relay
mode operation, the agent forward and to transfer DHCP messages between
the clients and the server when they are not on the same subnet domain. And
the DHCP broadcast message won't flood for security considered.

Disabled : Disable DHCP relay mode operation.
2. Relay Server Indicates the DHCP relay server IP address. A DHCP relay agent is used to
forward and to transfer DHCP messages between the clients and the server when
they are not on the same subnet domain.
3. Relay Information
Mode
Indicates the DHCP relay information mode option operation. Possible modes are:

Enabled : Enable DHCP relay information mode operation. When enable
DHCP relay information mode operation, the agent insert specific information
(option82) into a DHCP message when forwarding to DHCP server and
remove it from a DHCP message when transferring to DHCP client. It only
works under DHCP relay operation mode enabled.

Disabled : Disable DHCP relay information mode operation.
4. Relay Information
Policy
Indicates the DHCP relay information option policy. When enable DHCP relay
information mode operation, if agent receive a DHCP message that already
contains relay agent information. It will enforce the policy. And it only works under
DHCP relay information operation mode enabled. Possible policies are:

Replace : Replace the original relay information when receive a DHCP
message that already contains it.

Keep : Keep the original relay information when receive a DHCP message that
already contains it.

Drop : Drop the package when receive a DHCP message that already contains
relay information.
Buttons
: Click to save changes.
: Click to undo any changes made locally and revert to previously saved values.
4.2.9 DHCP Relay Statistics
This page provides statistics for DHCP relay. The DHCP Relay Statistics screen in Figure 4-2-12 appears.
Figure 4-2-12: DHCP Relay Statistics Page Screenshot
The page includes the following fields:
Server Statistics
Object Description
 Transmit to Server The number of packets that are relayed from client to server.
 Transmit Error The number of packets that resulted in errors while being sent to clients.
 Receive form Server The number of packets received from server.
 Receive Missing Agent
Option
The number of packets received without agent information options.