Netgear C3000 N300 Wifi Cable Modem Router User Manual

Share a USB Drive Attached to the Modem Router 41
 N300 WiFi Cable Modem Router Model C3000
4. 
Select  ADVANCED > Advanced Setup > USB Settings.
By default, Enable any USB Device connection to the USB port is selected\
. This setting 
lets you connect and access all your USB drives.
5.  Select the No radio button.
6.  Click the  Approved Devices button. 
The approved and available USB devices display. 
7.  In the 
Available USB Devices list, select the drive that you want to approve.
8. Click the  Add...

Share a USB Drive Attached to the Modem Router 
42 N300 WiFi Cable Modem Router Model C3000 
Safely Remove a USB Drive
Before you physically disconnect a USB drive from the modem router USB port, log in to the 
modem router and take the drive offline.
To remove a USB disk drive safely: 
1. Launch a web browser from a computer or wireless device that is connected to the 
network.
2. Type http://routerlogin.net or http://192.168.0.1.
A login screen displays.
3. Enter the modem router user name and...

43
6
6.   Specify Network Settings
This chapter includes the following sections:
•View or Change WAN Settings 
•Change the MTU Size 
•Set Up a Default DMZ Server 
•Change the Modem Router’s Device Name 
•Change the LAN TCP/IP Settings 
•Specify the IP Addresses That the Modem Router Assigns 
•Reserve LAN IP Addresses 
•Use the WPS Wizard for WiFi Connections 
•Specify Basic WiFi Settings 
•Change the WiFi Security Option 
•Set Up a WiFi Guest Network 
•Control the Wireless Radio 
•Specify WPS Settings...

Specify Network Settings 44
N300 WiFi Cable Modem Router Model C3000 
View or Change WAN Settings
You can view or configure wide area network (WAN) settings for the Internet port. You can set 
up a DMZ (demilitarized zone) server, change the maximum transmit unit (MTU) size, and 
enable the modem router to respond to a ping to its WAN (Internet) port. 
To view or change the WAN settings:
1.  Launch a web browser from a computer or wireless device that is connecte\
d to the 
network.
2.  T
ype...

Specify Network Settings 
45  N300 WiFi Cable Modem Router Model C3000
MTU only if you are sure that it is necessary for your ISP connection. See Change the 
MTU Size on page 45.
•Disable SIP ALG. Some VoIP applications do not work well with the SIP ALG. 
Selecting this check box to turn off the SIP ALG might help your VoIP devices to 
create or accept a call through the modem router. 
6. Click the Apply button.
Your changes are saved.
Change the MTU Size
The maximum transmission unit (MTU) is the...

Specify Network Settings 46
N300 WiFi Cable Modem Router Model C3000 
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  ADV
 ANCED > Setup > WAN Setup . 
5.In the MTU Size field, enter a value from 64 to 1500.
6. Click the  Apply button.
Your change is saved.
If you suspect an MTU problem, a common solution is to change the MTU to\
 1400. If you are...

Specify Network Settings 
47  N300 WiFi Cable Modem Router Model C3000
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...

Specify Network Settings 48
N300 WiFi Cable Modem Router Model C3000 
Change the Modem Router’s Device Name
The modem router’s 
device name is C3000. This device name displays in 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  or http://192.168.0.1.
A login screen displays.
3.  Enter the modem router user name and password.
The user...

Specify Network Settings 49
 N300 WiFi Cable Modem Router Model C3000
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
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 dif
 ferent...

Specify Network Settings 
50 N300 WiFi Cable Modem Router Model C3000 
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.
7. Click the Apply button.
Your changes are saved.
If you changed the LAN IP address of the modem router, you are disconnected when this 
change takes effect.
To reconnect, close your browser, relaunch it, and log in to the modem router.
Specify the IP Addresses That the Modem Router...