Netgear C6300 Ac1750 Wifi Cable Modem Router User Manual

							Specify Network Settings 
51  AC1750 WiFi Cable Modem Router
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 that you configured on the Port 
Forwarding/Port Triggering page. Instead of discarding this traffic, the modem router can 
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 wireless device that is connected to the 
network.
2. Type http://routerlogin.net.
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.
6. Type the IP address.
7. Click the Apply button.
Your change takes effect. 
						

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AC1750 WiFi Cable Modem Router 
Change the Modem Router’s Device Name
The modem router’s 
device name is C6300. This device name displays in a file manager 
when you browse your network.
To change the modem router’s device name:
1.  Launch a web browser from a computer or wireless device that is connecte\
d to the 
network.
2.  T
ype  http://routerlogin.net.
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  ADV
 ANCED > Setup > LAN Setup .
5. In the Device Name field, type a new name.
6.  Click the  Apply button.
Your change is saved.
Change the LAN TCP/IP 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. 192.168.0.1
• Subnet mask. 255.255.255.0 
						

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 AC1750 WiFi Cable Modem Router
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 sam\
e IP scheme.
To change the LAN TCP/IP settings:
1.  Launch a web browser from a computer or wireless device that is connecte\
d to the 
network.
2.  T
ype  http://routerlogin.net.
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  ADV
 ANCED > Setup > LAN Setup .
5. In the IP Address field, type the IP address.
6.  In the IP Subnet Mask  field, type the subnet mask of the modem router. 
The IP address and subnet mask identify which addresses are local to a s\
pecific device  and which must be reached through a gateway or modem router.
7.  Click the  Apply button.
Your settings are saved.
If you changed the LAN IP address of the modem router, you are disconnec\
ted when this 
change takes ef
 fect.
To reconnect, close your browser, relaunch it, and log in to the modem router. 
						

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AC1750 WiFi Cable Modem Router 
Specify the IP Addresses That the Modem Router Assigns
By default, the modem router acts as a Dynamic Host Configuration Protoc\
ol (DHCP) server. 
The modem 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 
modem router. 
These addresses must be part of the same IP address subnet as the modem \
router’s LAN IP  address. Using the default addressing scheme, define a range between 192\
.168.0.2 and 
192.168.0.254, although you can save part of the range for devices with \
fixed addresses.
The modem router delivers the following parameters to any LAN device tha\
t requests DHCP: • An IP address from the range that you define
• Subnet mask
• Gateway IP address (the modem router’
 s LAN IP address)
• DNS server IP address (the modem router’
 s LAN IP address)
To specify the pool of IP addresses that the modem router assigns:
1. Launch a web browser from a computer or wireless device that is connecte\
d to the 
network.
2.  T
ype  http://routerlogin.net.
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  ADV
 ANCED > Setup > LAN Setup . 
						

							Specify Network Settings 
55  AC1750 WiFi Cable Modem Router
5. Specify the range of IP addresses that the modem 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 modem 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 modem router.
6. Click the Apply button.
Your settings are saved.
Reserve LAN IP Addresses
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 modem router’s DHCP server. 
Assign reserved IP addresses to computers or servers that require permanent IP settings. 
To reserve an IP address: 
1. Launch a web browser from a computer or wireless device that is connected to the 
network.
2. Type http://routerlogin.net.
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.
The LAN Setup page displays.
5. In the Address Reservation section, click the Add button. 
6. In the IP Address field, type the IP address to assign to the computer or server. 
Choose an IP address from the modem router’s LAN subnet, such as 192.168.0.x. 
7. Type the MAC address of the computer or server.
Tip:If the computer is already on your network, you can copy its MAC 
address from the Attached Devices page and paste it here.
8. Click the Apply button.
The reserved address is entered into the table.  
						

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56 AC1750 WiFi Cable Modem Router 
The reserved address is not assigned until the next time the computer contacts the 
modem router’s DHCP server. Reboot the computer, or access its IP configuration and 
force a DHCP release and renew.
To edit a reserved address entry:
1. Launch a web browser from a computer or wireless device that is connected to the 
network.
2. Type http://routerlogin.net.
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.
The LAN Setup page displays.
5. Select the radio button next to the reserved address. 
6. Click the Edit button.
7. Change the settings.
8. Click the Apply button.
Your settings are saved.
To delete a reserved address entry:
1. Launch a web browser from a computer or wireless device that is connected to the 
network.
2. Type http://routerlogin.net.
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.
The LAN Setup page displays.
5. Select the radio button next to the reserved address. 
6. Click the Delete button.
The address is removed. 
						

							Specify Network Settings 
57  AC1750 WiFi Cable Modem Router
Use the WPS Wizard for WiFi Connections
The WPS Wizard helps you add a wireless computer or device to your WiFi network without 
typing the WiFi password.
To use the WPS Wizard:
1. Launch a web browser from a computer or wireless device that is connected to the 
network.
2. Type http://routerlogin.net.
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 > WPS Wizard.
A page displays that describes WPS.
5. Click the Next button. 
The WPS page displays.
6. Select a setup method: 
•Push button. Click the WPS button on this page. 
•PIN Number. The page adjusts. Enter the client security PIN, and click the Next 
button.
7. Within two minutes, go to the client device and use its WPS software to connect to the WiFi 
network.
The WPS process automatically sets up your wireless computer with the network 
password when it connects. The modem router WPS page displays a confirmation 
message. 
Specify Basic WiFi Settings
The modem router comes with preset security. This means that the WiFi network name 
(SSID), network key (password), and security option (encryption protocol) are preset in the 
factory. You can find the preset SSID and password on the modem router label. The preset 
SSID and password are uniquely generated for every device to maximize your wireless 
security.
NETGEAR recommends that you do not change your preset security settings. If you change 
your preset security settings, make a note of the new settings and store the note in a safe 
place where you can easily find it. 
						

							Specify Network Settings 58
AC1750 WiFi Cable Modem Router 
If you use a wireless computer to change the SSID or other wireless secu\
rity settings, you 
are disconnected when you c
lick the Apply button. To  avoid this problem, use a computer 
with a wired connection to access the modem router.
To specify basic wireless settings:
1.  Launch a web browser from a computer or wireless device that is connecte\
d to the 
network.
2.  T
ype  http://routerlogin.net.
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  W
 ireless.
5. From the Region menu, select your region. 
In some locations, you cannot change this setting.
6.  T
o control the SSID broadcast, select or clear the  Enable SSID Broadcast check box.
When this check box is selected, the modem router broadcasts its network\
 name (SSID) 
so that it displays when you scan for local WiFi networks on your comput\
er or wireless 
device.
7.  T
o change the SSID, type a new name in the  Name (SSID) field. 
						

							Specify Network Settings 
59  AC1750 WiFi Cable Modem Router
The name can be up to 32 characters long and is case-sensitive. The default SSID is 
randomly generated and is on the modem router’s label. If you change the name, make 
sure to write down the new name and keep it in a safe place.
8. To change the wireless channel, select a number from the Channel menu.
In some regions, not all channels are available. Do not change the channel unless you 
experience interference (shown by lost connections or slow data transfers). If this 
happens, experiment with different channels to see which is the best. 
When you use multiple access points, it is better if adjacent access points use different 
channels to reduce interference. NETGEAR recommends using channel spacing 
between adjacent access points of four channels (for example, use Channels 1 and 5, or 
6 and 10).
9. To change the mode, select it from the Mode menu.
Up to 145 Mbps is the default setting, which allows 802.11n and 802.11g wireless 
devices to join the network. g & b supports up to 54 Mbps. The 300-Mbps setting allows 
802.11n devices to connect at this speed.
10. Click the Apply button.
Your settings are saved.
If you used WiFi to connect to the network and you changed the SSID, you are 
disconnected from the network.
11. Make sure that you can connect with WiFi to the network with its new settings. 
If you cannot connect, check the following:
•Is your computer or wireless device connected to another WiFi network in your area? 
Some wireless devices automatically connect to the first open network without 
wireless security that they discover.
•Is your computer or wireless device trying to connect to your network with its old 
settings (before you changed the settings)? If so, update the wireless network 
selection in your computer or wireless device to match the current settings for your 
network.
Change the WiFi Security Option
Your modem router comes with preset WPA2 or WPA security. The password that you enter 
to connect to your network is unique to your modem router and is on the modem router label. 
NETGEAR recommends that you use the preset security, but you can change the password. 
NETGEAR recommends that you do not disable security.
To change the WPA settings:
1. Launch a web browser from a computer or wireless device that is connected to the 
network.
2. Type http://routerlogin.net. 
						

							Specify Network Settings 
60 AC1750 WiFi Cable Modem Router 
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 Wireless.
The Wireless Settings page displays.
5. Under Security Options, select a WPA option:
•WPA2-PSK [AES]
•WPA-PSK [TKIP] + WPA2-PSK [AES]
The WPA2 options use the newest standard for the strongest security but some older 
computers and wireless devices cannot use WPA2. By default, the WPA-PSK [TKIP] + 
WPA2-PSK [AES] radio button is selected so that new or old computers and wireless 
devices can connect to the WiFi network by using either WPA2 or WPA security. 
The Passphrase field displays.
6. In the Passphrase field, enter the network key (password) that you want to use. 
It is a text string from 8 to 63 characters.
7. Write down the new password and keep it in a secure place for future reference.
8. Click the Apply button.
Your settings are saved.
Set Up a WiFi Guest Network
A guest network allows visitors at your home to use the Internet without using your wireless 
security key. You can add a guest network to each wireless network: 2.4 GHz b/g/n and 
 
5.0 GHz a/n. 
To set up a guest network:
1. Launch a web browser from a computer or wireless device that is connected to the 
network.
2. Type http://routerlogin.net.
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.