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PROLiNK Hurricane 5200C/5201
ADSL2+ Modem / Router
User Manual
Page 21 of 59
Function buttons in this page:
Apply Changes
Click to save the settings into flash memory. New parameters will take effect after system is
rebooted
(automatically)
.
Undo
Discard your changes.
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PROLiNK Hurricane 5200C/5201
ADSL2+ Modem / Router
User Manual
Page 22 of 59
7.2
DHCP SETTINGS
DHCP Mode
You can configure your network and the modem/router to use the Dynamic Host
Configuration Protocol (DHCP). This page provides DHCP instructions for implementing it
on your network by selecting the role of DHCP protocol that this modem/router wants to
play. There are two different DHCP roles that this modem/router can act as: DHCP Server
and DHCP Relay. When acting as a DHCP server, you can setup the server parameters at
the
DHCP Server
page
(by selecting this option as DHCP mode)
; while acting as DHCP
Relay, you can setup the relay at the
DHCP Relay
page.
DHCP Server Configuration
By default, the modem/router is configured as a DHCP server, with a predefined IP
address pool of 192.168.1.2 to 192.168.1.100 (subnet mask 255.255.255.0).
Fields in this page:
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PROLiNK Hurricane 5200C/5201
ADSL2+ Modem / Router
User Manual
Page 23 of 59
Field
Description
IP Pool Range
Specify the lowest and highest addresses in the pool.
Max Lease Time
The Lease Time is the amount of time that a network user is allowed to
maintain a network connection to the modem/router using the current
dynamic IP address. At the end of the Lease Time, the lease is either renewed
or a new IP is issued by the DHCP server. The amount of time is in units of
seconds. The default value is 86400 seconds (1 day). The value –1 stands for
infinite lease.
Domain Name
A user-friendly name that refers to the group of hosts (subnet) that will be
assigned addresses from this pool.
Function buttons in this page:
Show Client
The pop-up window will list a table of each connected DHCP client PCs in the local network
(in terms of assigned IP address, MAC address and leased time)
.
Apply Changes
Set new DHCP server configuration. New parameters will take effect after the setting is saved
into flash memory and the system is rebooted
(see section “Admin” for save details)
.
MAC-Base Assignment
This page is used to assign static IP address based on MAC address. Please enter your
respective MAC address and IP address in the following format:
Host MAC Address
:
xx-xx-xx-xx-xx-xx (e.g. 00-d0-59-c6-12-43)
Assigned IP Address
:
xxx.xxx.xxx.xxx (e.g. 192.168.1.100)
Assign IP
Click on
Assign IP
button to apply your settings.
Delete Assigned IP
Select an existing entry to be deleted by clicking the radio button at the
Select
column of
the
MAC-Base Assignment Table
. Click
Delete
Assigned IP
to delete this entry from
configuration.
Close
Exit from this page.
DHCP Relay Configuration
Some ISPs perform DHCP server function to their customers’ home/small office network.
In this case, you can configure the modem/router to act as a DHCP relay agent. When a
host on your network requests for Internet access, the modem/router contacts your ISP to
obtain the IP configuration, and then forward that information to the host.
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PROLiNK Hurricane 5200C/5201
ADSL2+ Modem / Router
User Manual
Page 24 of 59
Fields in this page:
Function button in this page
Apply Changes
Click to save the setting to the configuration.
Field
Description
DHCP Server
Address
Specify the IP address of your ISP’s DHCP server. Requests for IP
information from your LAN will be passed to the default gateway, which
should route the request appropriately.
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PROLiNK Hurricane 5200C/5201
ADSL2+ Modem / Router
User Manual
Page 25 of 59
8 Firewall Configuration
Firewall contains several features that are used to deny or allow traffic from passing
through the modem/router.
8.1
IP/PORT FILTERING
The IP/Port filtering feature allows you to deny/allow specific services or applications in the
forwarding path.
Fields settings on the first block:
Field
Description
Outgoing Default
Action
Specify the default action from LAN to WAN forwarding path.
Incoming Default
Action
Specify the default action from WAN to LAN forwarding path.

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