Dhcp Relay Configuration - FibroLAN Falcon-RX/812/G/A User Manual

Falcon R-Class | User Guide
Clicking the Refresh button will update the displayed table starting from that or the closest next
MVR Channels (Groups) Information Table match.
In addition, the two input fields will – upon a Refresh button click – assume the value of the first
displayed entry, allowing for continuous refresh with the same start address.
The >> will use the last entry of the currently displayed table as a basis for the next lookup. When
the end is reached the text "No more entries" is shown in the displayed table. Use the << button
to start over.

DHCP Relay Configuration

A DHCP relay agent is used to forward and to transfer DHCP messages between the clients and the
server when they are not in the same subnet domain.
It stores the incoming interface IP address in the GIADDR field of the DHCP packet. The DHCP server
can use the value of GIADDR field to determine the assigned subnet. For such condition, please make
sure the switch configuration of VLAN interface IP address and PVID (Port VLAN ID) correctly.
Web GUI: Configuration > DHCP > Relay
Figure 5-13:
DHCP Relay Configuration
Table 5-12: DHCP Relay Configuration Parameters
Relay Mode
Relay Server
Relay Information
Mode
268
Indicates the DHCP relay mode operation. Possible modes are:
•
Enabled: Enable DHCP relay mode operation. When DHCP relay mode
operation is enabled, the agent forwards and transfers DHCP messages
between the clients and the server when they are not in the same subnet
domain. And the DHCP broadcast message won't be flooded for security
considerations.
•
Disabled: Disable DHCP relay mode operation.
Indicates the DHCP relay server IP address.
Indicates the DHCP relay information mode option operation. The option 82
circuit ID format as "[vlan_id][module_id][port_no]". The first four characters
represent the VLAN ID, the fifth and sixth characters are the module ID (in
standalone device it is always equal 0, in stackable device it means switch ID)
and the last two characters are the port number. For example, "00030108"
means the message receives form VLAN ID 3, switch ID 1, port No 8. And the
option 82 remote ID value is equal the switch MAC address.
Possible modes are: