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Chapter 5
Customizing Your Network Settings
This chapter describes advanced features of the RangeMax Wireless-N Gigabit Router
WNR3500v2. This chapter includes the following sections:
“Using the LAN IP Setup Options”
“Using a Dynamic DNS Service” on page 5-5
“Configuring the WAN Setup Options” on page 5-7
“Configuring Static Routes” on page 5-9
“Allowing Inbound Connections to Your Network” on page 5-11
“Configuring Port Forwarding to Local Servers” on page 5-16
“Configuring Port Triggering” on page 5-18
“Wireless Repeating (Also Called WDS)” on page 5-21
Using the LAN IP Setup Options
The LAN Setup screen allows configuration of LAN IP services such as Dynamic Host
Configuration Protocol (DHCP) and Routing Information Protocol (RIP).
The router is shipped preconfigured to use private IP addresses on the LAN side and to act as a
DHCP server. The router’s default LAN IP configuration is:
LAN IP address:
192.168.1.1
Subnet mask:
255.255.255.0
These addresses are part of the designated private address range for use in private networks and
should be suitable for most applications. If your network has a requirement to use a different IP
addressing scheme, you can make those changes in the LAN Setup screen.
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To configure LAN IP settings, log in to the router, and under the Advanced heading, select
LAN
Setup
. The following screen displays:
.
If you make changes, you must click
Apply
in order for the changes to take effect.
The LAN Setup fields are explained in the following table.
Figure 5-1
Note:
If you change the LAN IP address of the router while connected through the
browser, you will be disconnected. You must then open a new connection to the
new IP address and log in again.
Table 5-1.
LAN IP Setup
Settings
Description
Device Name
A descriptive name for the router, which will be shown in the
Network on Windows Vista and the Network Explorer on all
Windows systems. The
Device Name
field cannot be blank.
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LAN TCP/IP
Setup
IP Address
The LAN IP address of the wireless router.
IP Subnet Mask
The LAN subnet mask of the wireless router. Combined
with the IP address, the IP Subnet Mask allows a device to
know which other addresses are local to it, and which must
be reached through a gateway or wireless router.
RIP Direction
RIP (Router Information Protocol) allows a wireless router
to exchange routing information with other routers. This
setting controls how the wireless router sends and receives
RIP packets.
Both
is the default.
Both
or
Out Only
. The wireless router broadcasts its
routing table periodically.
Both
or
In Only
. The wireless router incorporates the RIP
information that it receives.
None
. The wireless router will not send any RIP packets
and will ignore any RIP packets received.
RIP Version
This controls the format and the broadcasting method of the
RIP packets that the wireless router sends. It recognizes
both formats when receiving. By default, this is
RIP-1
.
RIP-1 is universally supported. It is adequate for most
networks, unless you have an unusual network setup.
RIP-2 carries more information. Both RIP-2B and RIP-2M
send the routing data in RIP-2 format. RIP-2B uses
subnet broadcasting. RIP-2M uses multicasting.
DHCP Server
For more
information
Use Router as a DHCP
Server
This check box is usually selected so that the wireless
router functions as a Dynamic Host Configuration Protocol
(DHCP) server. See
“Using the Router as a DHCP Server”
on page 5-4
.
Starting IP Address
Specify the start of the range for the pool of IP addresses in
the same subnet as the wireless router.
Ending IP Address
Specify the end of the range for the pool of IP addresses in
the same subnet as the wireless router.
Address Reservation
For more information, see
“Using Address
Reservation” on page 5-4
.
When you specify a reserved IP address for a computer on
the LAN, that computer receives the same IP address each
time it access the router’s DHCP server. Assign reserved IP
addresses to servers that require permanent IP settings.
Table 5-1.
LAN IP Setup
(continued)
Settings
Description
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Using the Router as a DHCP Server
By default, the router functions as a DHCP server, allowing it to assign IP, DNS server, and default
gateway addresses to all computers connected to the router’s LAN. The assigned default gateway
address is the LAN address of the router. The router assigns IP addresses to the attached computers
from a pool of addresses specified in this screen. Each pool address is tested before it is assigned to
avoid duplicate addresses on the LAN.
For most applications, the default DHCP and TCP/IP settings of the router are satisfactory. Click
the link to the online document
“TCP/IP Networking Basics” in Appendix B
for an explanation of
DHCP and information about how to assign IP addresses for your network.
Specify the pool of IP addresses to be assigned by setting the starting IP address and ending IP
address. These addresses should be part of the same IP address subnet as the router’s LAN IP
address. Using the default addressing scheme, you should define a range between 192.168.1.2 and
192.168.1.254, although you might wish to save part of the range for devices with fixed addresses.
The router delivers the following parameters to any LAN device that requests DHCP:
An IP address from the range you have defined
Subnet mask
Gateway IP address (the router’s LAN IP address)
Primary DNS server
To use another device on your network as the DHCP server, or to manually specify the network
settings of all of your computers, clear the
Use Router as DHCP Server
check box. Otherwise,
leave it selected. If this service is not selected and no other DHCP server is available on your
network, you need to set your computers’ IP addresses manually or they will not be able to access
the router.
Using Address Reservation
When you specify a reserved IP address for a computer on the LAN, that computer always
receives the same IP address each time it accesses the router’s DHCP server. Reserved IP
addresses should be assigned to computers or servers that require permanent IP settings.
To reserve an IP address:
1.
Click
Add
.
2.
In the
IP Address
field, type the IP address to assign to the computer or server. (Choose an IP
address from the router’s LAN subnet, such as
192.168.1.x
.)
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3.
Type the MAC address of the computer or server.
4.
Click
Apply
to enter the reserved address into the table.
To edit or delete a reserved address entry:
1.
Click the button next to the reserved address you want to edit or delete.
2.
Click
Edit
or
Delete
.
Using a Dynamic DNS Service
If your Internet Service Provider (ISP) gave you a permanently assigned IP address, you can
register a domain name and have that name linked with your IP address by public Domain Name
Servers (DNS). However, if your Internet account uses a dynamically assigned IP address, you do
not know in advance what your IP address will be, and the address can change frequently. In this
case, you can use a commercial Dynamic DNS service, which allows you to register your domain
to their IP address, and forwards traffic directed at your domain to your current IP address.
Your router contains a client that can connect to the Dynamic DNS service provided by
DynDNS.org. You must first visit their website at
www.dyndns.org
and obtain an account and host
name, which you specify in the router. Then, whenever your ISP-assigned IP address changes,
your router automatically contacts the Dynamic DNS service provider, logs in to your account, and
registers your new IP address. If your host name is hostname, for example, you can reach your
router at hostname.dyndns.org.
Tip:
If the computer is already present on your network, you can copy its MAC
address from the Attached Devices screen and paste it here.
Note:
The reserved address is not assigned until the next time the computer contacts
the router’s DHCP server. Reboot the computer or access its IP configuration
and force a DHCP release and renew.
Note:
If your ISP assigns a private WAN IP address (such as 192.168.x.x or 10.x.x.x), the
Dynamic DNS service will not work because private addresses are not routed on
the Internet.

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