RGS-PR9000 Series User Manual
ORing Industrial Networking Corp
48
the IP address that has previously been assigned to the connected device.
5.2.4 Relay Agent
DHCP relay is used to forward and transfer DHCP messages between the clients and the
server when they are not in the same subnet domain. You can configure the function in this
page.
Label
Description
Relay Mode
Indicates the existing DHCP relay mode. The modes include:
Enabled
: activate DHCP relay. When DHCP relay is enabled,
the agent forwards and transfers DHCP messages between
the clients and the server when they are not in the same
subnet domain to prevent the DHCP broadcast message from
flooding for security considerations.
Disabled
: disable DHCP relay
Relay Server
Indicates the DHCP relay server IP address. A DHCP relay
agent is used to forward and transfer DHCP messages
between the clients and the server when they are not in the
same subnet domain.
Relay Information Mode
Indicates the existing DHCP relay information mode. The
format
of
DHCP
option
82
circuit
ID
format
is
"[vlan_id][module_id][port_no]". The first four characters
