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Description
Field
Enter a name for the VLAN tag group.
The name can be up to 10 characters.
Name
Enter a value from 1 to 4094.
VLAN ID
Enter a value from 0 to 7.
Priority
Select the check box for a wired LAN port or WiFi port.
If your device is connected to an Ethernet port on the modem router, select the LAN port check box that corresponds to
the Ethernet port on the modem router to which the device is connected. If your device is connected to your modem router’s
WiFi network, select the WiFi check box that corresponds to the modem router’s WiFi network to which the device is
connected.
You must select at least one LAN port or WiFi port.You can select more than one port.
8.
Click the
Add
button.
The VLAN tag group is added.
9.
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 enabled 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 a web browser from a computer or WiFi device that is connected to the network.
2.
Enter
.
A login window opens.
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 page displays.
4.
Select
ADVANCED > Setup > WAN Setup
.
Manage the WAN and LAN Network Settings
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Nighthawk X4S AC2600 WiFi VDSL/ADSL Modem Router Model D7800
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The WAN Setup page displays.
5.
To enable a port scan and disable DoS protection, select the
Disable Port Scan and DoS Protection
check
box.
6.
To enable the modem router to respond to a ping, select the
Respond to Ping on Internet Port
check box.
7.
Click the
Apply
button.
Your settings 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 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 a web browser from a computer or WiFi device that is connected to the network.
2.
Enter
.
A login window opens.
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 page displays.
4.
Select
ADVANCED > Setup > WAN Setup
.
The WAN Setup page displays.
5.
Select the
Default DMZ Server
check box.
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6.
Enter the IP address of the server.
7.
Click the
Apply
button.
Your settings are saved.
Manage 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, leave it disabled, which is the default setting.
To enable IGMP proxying:
1.
Launch a web browser from a computer or WiFi device that is connected to the network.
2.
Enter
A login window opens.
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 page displays.
4.
Select
ADVANCED > Setup > WAN Setup
.
The WAN Setup page displays.
5.
Clear the
Disable IGMP Proxying
check box.
By default, the
Disable IGMP Proxying
check box is selected and IGMP proxying is disabled.
6.
Click the
Apply
button.
Your settings are saved.
Manage NAT Filtering
Network Address Translation (NAT) determines how the modem 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. Secured NAT is the default setting.
To change the default NAT filtering settings:
1.
Launch a web browser from a computer or WiFi device that is connected to the network.
2.
Enter
.
A login window opens.
Manage the WAN and LAN Network Settings
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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 page displays.
4.
Select
ADVANCED > Setup > WAN Setup
.
The WAN Setup page displays.
5.
Select a NAT Filtering radio button:
•
Secured
. Provides a secured firewall to protect the computers on the LAN from attacks from the Internet but
might prevent some Internet games, point-to-point applications, or multimedia applications from functioning.
By default, the
Secured
radio button is selected.
•
Open
. Provides a much less secured firewall but allows almost all Internet applications to function.
6.
Click the
Apply
button.
Your settings are saved.
Manage the SIP Application-Level Gateway
The application-level gateway (ALG) for the Session Initiation Protocol (SIP) is enabled by default for enhanced
address and port translation. However, some types of VoIP and video traffic might not work well when the SIP ALG
is enabled. For this reason, the modem router provides the option to disable the SIP ALG.
To change the default SIP ALG setting:
1.
Launch a web browser from a computer or WiFi device that is connected to the network.
2.
Enter
.
A login window opens.
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 page displays.
4.
Select
ADVANCED > Setup > WAN Setup
.
The WAN Setup page displays.
5.
To disable the SIP ALG, select the
Disable SIP ALG
check box.
The SIP ALG is enabled by default.
6.
Click the
Apply
button.
Your settings are saved.
Manage the WAN and LAN Network Settings
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Manage the Modem Router’s LAN IP Address Settings
The modem router is preconfigured to use private IP addresses on the LAN side and to act as a DHCP server. The
modem router’s default LAN IP configuration is as follows:
•
LAN IP address
. 192.168.1.1 (This is the same as www.routerlogin.net and www.routerlogin.com.)
•
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. The IP address and subnet mask identify which addresses are local to a specific device and
which must be reached through a gateway or modem router.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 competing subnets use the same IP scheme.
To change the LAN IP address settings:
1.
Launch a web browser from a computer or WiFi device that is connected to the network.
2.
Enter
.
A login window opens.
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 page displays.
4.
Select
ADVANCED > Setup > LAN Setup
.
5.
In the
IP Address
field, enter the LAN IP address for the modem router.
Manage the WAN and LAN Network Settings
205
Nighthawk X4S AC2600 WiFi VDSL/ADSL Modem Router Model D7800

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