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SECTION 3, CONFIGURATION
3-27
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Firewall
Networking - DHCP Server
The Domain Host Control Protocol (DHCP) server automatically
assigns IP addresses to all the clients on your network, relieving you
of the responsibility for issuing separate IP addresses.
It is highly
recommended that you administer your network using the DHCP
function.
The PCs must be configured to “Obtain an IP Address
Automatically.” See the
Installation
section of this User Guide for
further details.
To access the screen, click
Networking
>
DHCP Server
. Click
Apply
to save your settings or
Cancel
to cancel changes.
Field
Description
LAN MAC
Address
Displays the LAN MAC address of the router.
This field cannot be edited.
LAN Private IP
Enables you to create your own private IP
network.
Enter an IP address string that you will use for
your network. Because it is a private network,
your router gives you the ability to choose any
string you prefer.
The default is 192.168.10.1
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SECTION 3, CONFIGURATION
Field
Description
LAN Subnet Mask
Enables you to create your own Subnet Mask
for your network. The Subnet Mask determines
which portion of a destination LAN IP address
is the network portion and which portion is the
host portion.
Enter a Subnet Mask address that you will use
for your network.
The default is 255.255.255.0
Default Lease
Duration
Displays the Hours and Minutes of the default
lease duration. Enter in a new duration.
The default is 1 week.
LAN DHCP
Server
Enables or disables the DHCP server. You can
only run one DHCP server on your network.
The default is enabled.
Address Pool
Begins
Based on what is entered in the LAN Private IP
field, the number entered here is where the
router starts handing out IP numbers. So,
using the default IP address, the next number
provided would be 192.168.10.2.
The default is 2.
Address Pool Size
You are able to reserve up to 253 slots on your
DHCP server for potential clients. For example,
when using the router’s default IP of
192.168.10.1, then all numbers up to
192.168.10.254 are available for use.
If you want to make available every number,
enter 253.
The default is 50.
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SECTION 3, CONFIGURATION
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Field
Description
Reserved Leases
The DHCP reserves a set IP addresses.
However, if you require a specific IP for a
specific device, such as a print server, follow
the directions below.
To reserve a lease:
1
Enter a new MAC Address.
2
Enter the reserved IP Address.
3
Click
Add
to reserve the lease.
To update or remove
a lease, select it and then
click
Edit
or
Remove
.
Reserved IP
Address
Displays the current IP reservations along with
their associated MAC address.
Active Lease
Displays the current clients that the DHCP
server has assigned IP addresses. It displays
the Computer Name, along with their IP and
MAC address and the duration of its lease.
Click
Refresh
to obtain the latest list.
Networking - DNS Proxy
This feature is used only on your Private network. The feature
translates domain or website names into Internet addresses or URLs
using the Domain Name System (DNS).
This feature can be used to add the mappings between a Static IP
Address and a Host Name. This is most useful for devices like printer
servers.
To access the screen, click
Networking
>
DNS Proxy
. Click
Apply
to save your settings or
Cancel
to cancel changes.
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SECTION 3, CONFIGURATION
Field
Description
LAN Private Host
Name
Displays the current Host name for the router.
The default is “wr850g” (all lower case, without
quotation marks).
Host Table
Displays the current active Host Name and its
associated IP address.
Networking - Routing
You can define up to 20 static routes that specify the Destination IP,
Subnet Mask, Gateway, Interface, and Metric (how many hops). You
configure the Network Routing Table here.
The IP address entered
must be a Static IP address.
RIP (Routing Information Protocol) versions 1 and 2 are routing
protocols that are part of the TCP/IP protocol standard. RIP
dynamically determines a route based on the smallest hop count
between source and destination.
To access the screen, click
Networking
>
Routing
.
Field
Description
RIP V1
Enables or disables RIPv1.
The default is disabled.
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SECTION 3, CONFIGURATION
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Field
Description
RIP V2
Enables or disables RIPv2.
The default is disabled.
Routing Table
Entry List
To add a Routing Entry:
1
Select a Destination IP number, which is
the Static Routing IP address.
2
Enter Subnet Mask and Gateway IP.
3
Select LAN & Wireless or Internet (WAN)
Interface.
4
Enter the Metric, or how many hops the
routing can take.
5
Click
Apply
to enter the Routing Entry into
the Routing Table.
6
To edit or remove an entry, click the
desired entry and perform the requested
action.
Networking - DDNS Settings
The router supports the Dynamic Domain Name System (DDNS)
feature. DDNS enables you to assign a fixed host and domain name
to a dynamic Internet IP address. It is useful when you are hosting
your own web server, FTP server, or another server behind the
router. Before you can use this feature, you must sign up for DDNS
service at a DDNS service provider, such as
www.dyndns.org
or
www.changeip.com
. Once you have signed up, write down your User
Name and Password.
To access the screen, click
Networking
>
Dynamic DNS
. Click
Apply
to save your settings or
Cancel
to cancel changes.
Field
Description
DDNS
Enables or disables DDNS. The default is
disabled.

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