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Manage the WAN and LAN
Network Settings
131
N600 and AC750 WiFi DSL Modem Routers
Manage the ADSL Settings
NETGEAR recommends that you use the NETGEAR genie Setup Wizard to detect the DSL
connection and automatically set up the modem router (see
Set Up Your Modem Router for
DSL Service
on page
18).
If you are technically experienced and are sure of the correct DSL mode, multiplexing
method, virtual circuit number for the virtual path identifier (VPI), virtual channel identifier
(VCI), and ATM traffic class parameters, you can change those settings.
CAUTION:
Change the DSL mode, multiplexing method, VPI, VCI, and ATM traffic
class parameters only if your ISP gave you this information. If you enter
incorrect settings, the modem router might no longer be able to connect to
your ISP network.
To view or change the ADSL setup:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login screen displays.
3.
Enter the user name and password for the modem router.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
4.
Click the
OK
button.
The BASIC Home screen displays.
5.
Select
xDSL
.
Page 132 / 202
Manage the WAN and LAN
Network Settings
132
N600 and AC750 WiFi DSL Modem Routers
Note:
The
DSL mode
menu, PVC Settings section, and ATM Traffic Class
section display only if the selection from the
Physical WAN Type
menu is
ADSL2+
, which it is by default. For information about selecting
the type of physical WAN connection, see
Change the Type of Physical
WAN Connection
on page
133.
6.
From the
DSL Mode
menu, select the DSL mode that your ISP provided you:
•
Auto
. The modem router detects the DSL mode automatically. This is the default
setting.
•
ADSL (G.dmt)
. Legacy version of ADSL.
•
ADSL2
. Legacy version of ADSL2.
•
ADSL2+
. ADSL2+ provides the fastest downstream rates and can interoperate with
ADSL2 and ADSL (g.dmt).
7.
Click the
upper
Apply
button.
The DSL mode changes are saved.
8.
If your ISP provided you PVC settings, specify some or all of the following settings,
depending on the information that your ISP gave you:
a.
Unless your ISP instructs you otherwise, keep the
Enable This Interface
check box
selected.
By default, the check box is selected and the interface is enabled.
b.
From the
Multiplexing Method
menu, select
LLC-BASED
or
VC-BASED
, as
indicated by your ISP.
c.
For the VPI, enter a number between 0 and 255, as indicated by your ISP.
The default setting is 0.
Page 133 / 202
Manage the WAN and LAN
Network Settings
133
N600 and AC750 WiFi DSL Modem Routers
d.
For the VCI, enter a number between 32 and 65535, as indicated by your ISP.
The default setting is 38.
9.
If your ISP provided you ATM traffic class parameters, specify some or all of the following
settings, depending on the information that your ISP gave you:
a.
From the
ATM Traffic Class
menu, select
UBR
,
CBR
,
NRT-VBR
, or
RT-VBR
, as
indicated by your ISP.
b.
In the
PRC
field, enter the Peak Cell Rate in number of cells per second.
c.
In the
SRC
field, enter the Sustainable Cell Rate in number of cells per second.
d.
In the
MBS
field, enter the Maximum Burst Size (MBS) in number of cells.
10.
Click the
lower
Apply
button.
The PVC settings, ATM traffic class parameters, or both are saved.
Change the Type of Physical WAN Connection
When you set up the modem router for cable or fiber (Ethernet WAN) service, you must
change the default type of WAN connection (see
Set Up Your Modem Router for Cable or
Fiber Service
on page
26). If you want to change the type of WAN connection, use the
information in this section.
The default type of WAN connection is the ADSL port for an Internet connection over DSL
service. With this option, the LAN 4 Ethernet port is available for a LAN connection. The other
type of WAN connection is the WAN Ethernet port for an Internet connection over cable or
fiber service. With this option, the LAN 4 Ethernet port is not available for a LAN connection
because the port serves as the WAN port.
To change the type of WAN connection:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login screen displays.
3.
Enter the user name and password for the modem router.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
4.
Click the
OK
button.
The BASIC Home screen displays.
5.
Select
xDSL
.
The ADLS Settings screen displays.
Page 134 / 202
Manage the WAN and LAN
Network Settings
134
N600 and AC750 WiFi DSL Modem Routers
6.
From the
Physical WAN Type
menu, select one of the following options:
•
Ethernet WAN
. The modem router uses the WAN Ethernet port for a cable or fiber
connection. The ADSL port is shut down. the LAN 4 Ethernet port is not available for a
LAN connection because the port serves as the WAN port.
•
ADSL2+
. The modem router uses the ADSL port for a DSL WAN connection. The
LAN 4 Ethernet port is available for a LAN connection.
7.
Click the
Apply
button.
Your settings are saved.
Manage the WAN Security Settings
The WAN security settings include port scan protection and denial of service (DoS)
protection, which can protect your LAN against attacks such as Syn flood, Smurf Attack, Ping
of Death, and many others. By default, DoS protection is disabled and a port scan is rejected.
You can also enable the modem router to respond to a ping to its WAN (Internet) port. This
feature allows your modem router to be discovered. Enable this feature only as a diagnostic
tool or if a specific reason exists.
To change the default WAN security settings:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login screen displays.
3.
Enter the user name and password for the modem router.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
4.
Click the
OK
button.
The BASIC Home screen displays.
5.
Select
ADVANCED > Setup > WAN Setup
.
The WAN Setup screen displays.
6.
To enable port scan and DoS protection, clear the
Disable Port Scan and DoS Protection
check box.
Note:
Enabling port scan and DoS protection might affect the performance of
the modem router.
7.
To enable modem router to respond to a ping, select the
Respond to Ping on Internet
Port
check box.
8.
Click the
Apply
button.
Your settings are saved.
Page 135 / 202
Manage the WAN and LAN
Network Settings
135
N600 and AC750 WiFi DSL Modem Routers
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 modem 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 modem router usually detects and discards incoming traffic from the Internet that is not a
response to one of your local computers or a service or application for which you set up a
port forwarding or port triggering rule. Instead of discarding this traffic, you can direct the
modem router to forward 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 an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login screen displays.
3.
Enter the modem 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.
Enter the IP address of the server.
7.
Click the
Apply
button.
Your settings are saved.

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