D-Link DI-206 - Manual (Page 81)

DI-206 ISDN Remote Router
Configuration and Management 69
Items are described as follows:
•
DHCP Server IP Address – This is the IP address of the remote
DHCP server. When a local computer powers up and sends a
DHCP request for an IP address, the DI-206 will forward the
request to the address specified here.
•
Time Threshold – This specifies the maximum amount of time (in
seconds) since the host began requesting an IP address. If the value
define here is exceeded, the relay agent will not pass along the
request from the host.
•
State – Enables or disables the DHCP Relay Agent function.
Filter Configuration
Your DI-206 uses filters (configurable at two layers) to screen packet
data, and apply a routing decision. There are two methods for
configuring filters: you can configure a filter at the network layer (IP
filter) to restrict access between networks and reduce unnecessary
internetwork traffic; and you can configure a filter at the data-link layer
(a general filter) to provide a protocol independent filter.
Good knowledge of network protocols is required to configure a
specific filter appropriately. It is important for the router to operate
correctly, therefore, necessary packets must be allowed to pass through
the filters. In other words, do not attempt to configure filters on a
utilized router unless you understand what you are doing.
The following section describes how to configure the router filter
parameters.