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Page 111 / 161 Scroll up to view Page 106 - 110
Network Settings
111
N600 WiFi Dual Band Gigabit Router
•
Disable IGMP Proxying
. IGMP proxying allows a computer on the local area network
(LAN) to receive the multicast traffic it is interested in from the Internet. If you do not
need this feature, you can select this check box to disable it.
•
MTU Size (in bytes)
. The normal MTU (maximum transmit unit) value for most
Ethernet networks is 1500 bytes, or 1492 bytes for PPPoE connections. Change the
MTU only if you are sure that it is necessary for your ISP connection. See
Change the
MTU Size
on page
36.
•
NAT Filtering
. Network Address Translation (NAT) determines how the router
processes inbound traffic. Secured NAT protects computers on the LAN from attacks
from the Internet but might prevent some Internet games, point-to-point applications,
or multimedia applications from working. Open NAT provides a much less secured
firewall but allows almost all Internet applications to work.
•
VPN passthrough
. These features will be implemented in a firmware upgrade.
5.
Click the
Apply
button.
Your changes are saved.
Set Up a Default DMZ Server
The default DMZ server feature is helpful when you are using some online games and
videoconferencing applications that are incompatible with Network Address Translation
(NAT). The router is programmed to recognize some of these applications and to work
correctly with them, but other applications might not function well. In some cases, one local
computer can run the application correctly if the IP address for that computer is entered as
the default DMZ server.
WARNING:
DMZ servers pose a security risk. A computer designated as the
default DMZ server loses much of the protection of the firewall and
is exposed to exploits from the Internet. If compromised, the DMZ
server computer can be used to attack other computers on your
network.
The router usually detects and discards incoming traffic from the Internet that is not a
response to one of your local computers or a service that you configured in the Port
Forwarding/Port Triggering screen. Instead of discarding this traffic, you can specify that the
router forwards the traffic to one computer on your network. This computer is called the
default DMZ server.
To set up a default DMZ server:
1.
Launch a web browser from a computer or wireless device that is connected to the
network.
2.
Type
or
.
Page 112 / 161
Network Settings
112
N600 WiFi Dual Band Gigabit Router
A login screen displays.
3.
Enter the router user name and password.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
The BASIC Home screen displays.
4.
Select
ADVANCED > Setup > WAN Setup
.
The WAN Setup screen displays.
5.
Select the
Default DMZ Server
check box.
6.
Type the IP address.
7.
Click the
Apply
button.
Your change takes effect.
Change the Router’s Device Name
The router’s device name is WNDR3700v5. This device name displays in the file manager
when you browse your network.
To change the router’s device name:
1.
Launch a web browser from a computer or wireless device that is connected to the
network.
2.
Type
or
.
A login screen displays.
3.
Enter the router user name and password.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
The BASIC Home screen displays.
4.
Select
ADVANCED > Setup > LAN Setup
.
The LAN Setup screen displays.
5.
In the
Device Name
field, type a new name.
6.
Click the
Apply
button.
Your change is saved.
Page 113 / 161
Network Settings
113
N600 WiFi Dual Band Gigabit Router
Change the LAN TCP/IP Settings
The router is 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 as follows:
•
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 are suitable for most applications. If your network requires a different IP addressing
scheme, you can change these settings.
You might want to change these settings if you need a specific IP subnet that one or more
devices on the network use, or if you use competing subnets with the same IP scheme.
To change the LAN TCP/IP settings:
1.
Launch a web browser from a computer or wireless device that is connected to the
network.
2.
Type
or
.
A login screen displays.
3.
Enter the router user name and password.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
The BASIC Home screen displays.
4.
Select
ADVANCED > Setup > LAN Setup
.
5.
In the
IP Address
field, type the IP address.
6.
In the
IP Subnet Mask
, type the subnet mask of the router.
The IP address and subnet mask identify which addresses are local to a specific device
and which must be reached through a gateway or router.
Page 114 / 161
Network Settings
114
N600 WiFi Dual Band Gigabit Router
7.
Change the RIP settings.
Router Information Protocol (RIP) allows a router to exchange routing information with
other routers.
a.
Select a RIP direction:
•
Both
. The router broadcasts its routing table periodically and incorporates
information that it receives.
•
Out Only
. The router broadcasts its routing table periodically.
•
In Only
. The router incorporates the RIP information that it receives.
b.
Select a RIP version:
•
Disabled
. This is the default setting.
•
RIP-1
. This format is universally supported. It is adequate for most networks,
unless you are using an unusual network setup.
•
RIP-2
. This format 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.
8.
Click the
Apply
button.
Your changes are saved.
If you changed the LAN IP address of the router, you are disconnected when this change
takes effect.
9.
To reconnect, close your browser, relaunch it, and log in to the router.
Specify the IP Addresses That the Router Assigns
By default, the router acts as a Dynamic Host Configuration Protocol (DHCP) server. The
router assigns IP, DNS server, and default gateway addresses to all computers connected to
the LAN. The assigned default gateway address is the LAN address of the router.
These addresses must be part of the same IP address subnet as the router’s LAN IP
address. Using the default addressing scheme, define a range between 192.168.1.2 and
192.168.1.254, although you can save part of the range for devices with fixed addresses.
To specify the pool of IP addresses that the router assigns:
1.
Launch a web browser from a computer or wireless device that is connected to the
network.
2.
Type
or
.
A login screen displays.
3.
Enter the router user name and password.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
Page 115 / 161
Network Settings
115
N600 WiFi Dual Band Gigabit Router
The BASIC Home screen displays.
4.
Select
ADVANCED > Setup > LAN Setup
.
5.
Make sure that the
Use Router as DHCP Server
check box is selected.
6.
Specify the range of IP addresses that the router assigns:
a.
In the
Starting IP Address
field, type the lowest number in the range.
This IP address must be in the same subnet as the router.
b.
In the
Ending IP Address
field, type the number at the end of the range of IP
addresses.
This IP address must be in the same subnet as the router.
7.
Click the
Apply
button.
Your settings are saved.
The router delivers the following parameters to any LAN device that requests DHCP:
•
An IP address from the range that you define
•
Subnet mask
•
Gateway IP address (the router’s LAN IP address)
•
DNS server IP address (the router’s LAN IP address)
Disable the DHCP Server Feature in the Router
By default, the router acts as a DHCP server. The router assigns IP, DNS server, and default
gateway addresses to all computers connected to the LAN. The assigned default gateway
address is the LAN address of the router.
You can use another device on your network as the DHCP server or specify the network
settings of all your computers.

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