Netgear R6900 Nighthawk Ac1900 Smart Wifi Router User Manual

10
Manage the WAN and LAN Network Settings
This chapter describes how you can manage the WAN and LAN network settings of the router.
The chapter includes the f
ollowing sections:
• Manage the WAN Security Settings
 on page 142
• Set Up a Def
ault DMZ Server on page 
142
• Manage IGMP Proxying on page 
143
• Manage NAT Filtering
 on page 144
• Manage the SIP Application-Le
vel Gateway on page 
144
• Manage the LAN IP Address Settings
 on page 145
• Manage the Router Information Protocol Settings
 on page...

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 router to respond to a ping to its WAN (Internet) port. This feature allows your router to be
discovered. Enable this feature only as a diagnostic tool or if a specific reason...

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 or application for which you set up a port forwarding or port triggering rule. Instead of discarding
this traffic, you can direct the 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....

5.
Clear the Disable IGMP Proxying check box.
By default, the 
Disable IGMP Proxying check box is selected and IGMP proxying is disabled.
6. Clic
k the Apply button.
Y

our settings are saved.
Manage 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...

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 http://www.routerlogin.net.
A login window opens.
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 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...

4.
Select ADVANCED > Setup > LAN Setup. 5.
In the 
IP Address field, enter the LAN IP address for the router.
6. In the 
IP Subnet Mask, enter the LAN subnet mask for the router.
7. Clic
k the 
Apply button.
Your settings are saved.
If you changed the LAN IP address of the 
router, you are disconnected when the changes take effect.
To reconnect, close your browser, relaunch it, and log in to the 
router at its new LAN IP address.
Manage the Router Information Protocol Settings Router Information Protocol...

4.
Select ADVANCED > Setup > LAN Setup.
The LAN Setup page displays.
5. From the 
RIP Direction menu, select an RIP direction:
• Both
. The router broadcasts its routing table periodically and incorporates information that it receives. This
is the default setting.
• Out Only
. The router broadcasts its routing table periodically but does not incorporate the RIP information
that it receives.
• In Only
. The router incorporates the RIP information that it receives but does not broadcast its routing table....

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.
Make sure that the Use Router as DHCP Server check box is selected.
This chec

k box is selected by default.
6. Specify the range of IP addresses that the router assigns:
• In the Starting IP Address field, enter the lowest number in the range.
This IP address m

ust be in the same subnet as the router. By default, the starting...

Reserve a LAN IP Address
You can assign a reserved IP address to a computer or server that requires permanent IP settings.
To reserve an IP address: 1.
Launch a web browser from a computer or WiFi device that is connected to the network.
2. Enter http://www.routerlogin.net.
A login window opens.
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 page displays.
4. Select 
ADVANCED > Setup > LAN...

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.
The LAN Setup page displays.
5. In the Address Reservation section, select the radio button next to the reserved address.
6. Click the 
Edit button.
The Edit page displays.
7. Change the settings.
8. Click the 
Apply button.
Your settings are saved.
Remove a Reserved IP Address Entry
You can remove a reserved IP address entry. To...