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Backing Up and Restoring the Configuration, Erasing the Configuration

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N300 Wireless Dual Band ADSL2+ Modem Router DGND3300v2 User Manual Backing Up and Restoring the Configuration The Restore and Backup options in the Backup Settings screen let you save and retrieve a file containing your N300 wireless modem router's configuration settings. To save your settings, click Backup. Your browser extracts the configuration file from the N300 wireless modem router and prompts you for a location on your computer to store the file. You can give the file a meaningful name at this time, such as comcast.cfg. Tip: Before saving your configuration file, change the administrator password to the default, password. Then change it again after you have saved the configuration file. If you forget the password, you will need to reset the configuration to factory defaults. To restore your settings from a saved configuration file, enter the full path to the file on your computer, or click Browse to browse to the file. When you have located it, click Restore to send the file to the N300 wireless modem router. The N300 wireless modem router then reboots automatically. WARNING! Do not interrupt the reboot process. Erasing the Configuration Under some circumstances (for example, if you move the N300 wireless modem router to a different network or if you have forgotten the password), you might want to erase the configuration and restore the factory default settings. After an erase, the N300 wireless modem router's user name is admin, the password is password, the LAN IP address is 192.168.0.1, and its DHCP server is enabled. • To erase the configuration, click the Erase button in the Backup Settings screen. • To restore the factory default configuration settings when you do not know the login password or IP address, you must use the Restore Factory Settings button on the rear panel of the N300 wireless modem router (see Restoring the Factory Configuration Settings on page 147). Running Diagnostic Utilities and Rebooting the Router The N300 wireless modem router has a diagnostics feature. In the main menu, select Maintenance > Diagnostics to display the following screen: 58 | Chapter 4. Network Maintenance

Section	Page
N300 Wireless Dual Band ADSL2+ Modem Router DGND3300v2	1
Table of Contents	3
1. Router Internet Setup	7
Using the Setup Manual	7
Logging In to Your N300 Wireless Modem Router	8
Using the Setup Wizard	9
Viewing or Manually Configuring Your ISP Settings	10
Configuring ADSL Settings	14
2. Wireless Settings	15
Planning Your Wireless Network	15
Wireless Placement and Range Guidelines	16
Wireless Security Options	17
Manually Configuring Your Wireless Settings	18
Configuring WEP Wireless Security	20
Configuring WPA, WPA2, or Mixed WPA2 + WPA Wireless Security	22
Using Push 'N' Connect (WPS) to Configure Your Wireless Network	24
Using a WPS Button to Add a WPS Client	24
Using PIN Entry to Add a WPS Client	25
Configuring Advanced WPS Settings	27
Connecting Additional Wireless Client Devices after WPS Setup	27
Adding More WPS Clients	28
Adding Both WPS and Non-WPS Clients	28
Restricting Access to Your N300 Wireless Modem Router	29
Wireless Guest Networks	30
Live Parental Controls	32
3. Security Settings	34
Protecting Access to Your N300 Wireless Modem Router	34
Changing the Built-In Password	35
Restricting Access by MAC Address	35
Blocking Access to Internet Sites	37
Firewall Rules	38
Port Forwarding	41
Adding a Pre-set Port Forwarding Rule	42
Adding a Custom Port Forwarding Rule	42
Port Triggering	43
Blocking Access to Internet Services	44
Scheduling Blocking	45
Viewing Logs of Web Access or Attempted Web Access	46
Configuring Email Alert and Web Access Log Notifications	47
Setting the Time	49
4. Network Maintenance	50
Upgrading the Firmware	50
Manually Check for Firmware Upgrades	51
Viewing N300 Wireless Modem Router Status Information	52
Connection Status	55
Statistics	56
Viewing a List of Attached Devices	57
Managing the Configuration File	57
Backing Up and Restoring the Configuration	58
Erasing the Configuration	58
Running Diagnostic Utilities and Rebooting the Router	58
Enabling Remote Management Access	59
Traffic Meter	61
5. USB Storage	64
USB Drive Requirements	65
File Sharing Scenarios	65
Sharing Photos with Friends and Family	66
Storing Files in a Central Location for Printing	66
Sharing Large Files with Colleagues	66
USB Storage Basic Settings	67
Editing a Network Folder	68
Configuring USB Storage Advanced Settings	69
Creating a Network Folder	71
Media Server Settings	72
Unmounting a USB Drive	72
Specifying Approved USB Devices	72
Connecting to the USB Drive from a Remote Computer	73
Locating the Internet Port IP Address	73
Accessing the Router’s USB Drive Remotely Using FTP	74
Connecting to the USB Drive with Microsoft Network Settings	74
Enabling File and Printer Sharing	74
6. Virtual Private Networking	76
Overview of VPN Configuration	76
Client-to-Gateway VPN Tunnels	77
Gateway-to-Gateway VPN Tunnels	77
Planning a VPN	78
VPN Tunnel Configuration	79
Setting Up a Client-to-Gateway VPN Configuration	80
Step 1: Configure the Client-to-Gateway VPN Tunnel	80
Step 2: Configure the NETGEAR ProSafe VPN Client	83
Setting Up a Gateway-to-Gateway VPN Configuration	90
VPN Tunnel Control	94
Activating a VPN Tunnel	94
Verifying the Status of a VPN Tunnel	97
Deactivating a VPN Tunnel	98
Deleting a VPN Tunnel	100
Setting Up VPN Tunnels in Special Circumstances	100
Using Auto Policy to Configure VPN Tunnels	101
Using Manual Policy to Configure VPN Tunnels	109
7. Advanced Settings (Part 1)	112
Using the LAN Setup Options	112
Using the N300 Wireless Modem Router as a DHCP Server	114
Address Reservation	115
Using a Dynamic DNS Service	116
Configuring the WAN Setup Options	117
Setting Up a Default DMZ Server	119
Setting Up Quality of Service (QoS)	119
Configuring QoS for Internet Access	120
Editing or Deleting an Existing QoS Policy	123
Configuring Static Routes	123
Wireless Repeating (Also Called WDS)	125
Wireless Repeating Function	126
Setting Up the Base Station	127
Setting Up a Repeater Unit	128
8. Advanced Settings (Part 2)	130
Common Connection Types	130
Assessing Your Speed Requirements	131
Optimizing Your Network Bandwidth	132
Optimizing Wireless Performance	133
Changing the MTU Size	134
Universal Plug and Play	135
A. Troubleshooting	137
Quick Tips	137
Troubleshooting with the LEDs	138
Cannot Access the N300 Wireless Modem Router Menu	140
Cannot Access the Internet	141
Checking the Configuration	141
Checking the WAN IP Address	141
Troubleshooting a Network Using the Ping Utility	142
Testing the LAN Path to Your Router	143
Testing the Path from Your Computer to a Remote Device	143
Problems with Date and Time	144
Wireless Connectivity	145
Viewing Available Networks	145
B. Default Configuration and Technical Specifications	147
Restoring the Factory Configuration Settings	147
Using the Restore Factory Settings Button	147
Technical Specifications	150
C. NETGEAR VPN Configuration	151
Configuration Profile	151
Step-by-Step Configuration	152
N300 Wireless Modem Router with FQDN to Gateway B	153
Configuration Profile	153
Step-by-Step Configuration	155
Configuration Summary (Telecommuter Example)	157
Setting Up Client-to-Gateway VPN (Telecommuter Example)	158
Step 1: Configure Gateway A (VPN Router at Main Office)	159
Step 2: Configure Gateway B (VPN Router at Regional Office)	160
Monitoring the VPN Tunnel (Telecommuter Example)	166
Viewing the VPN Router’s VPN Status and Log Information	167
D. Notification of Compliance	168
E. Related Documents	172

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Chapter 4.

Network Maintenance

N300 Wireless Dual Band ADSL2+ Modem Router DGND3300v2 User Manual

Backing Up and Restoring the Configuration

The Restore and Backup options in the Backup Settings screen let you save and retrieve a

file containing your N300 wireless modem router’s configuration settings.

To save your settings, click

Backup

. Your browser extracts the configuration file from the

N300 wireless modem router and prompts you for a location on your computer to store the

file. You can give the file a meaningful name at this time, such as

comcast.cfg.

Tip:

Before saving your configuration file, change the administrator password

to the default,

password

. Then change it again after you have saved the

configuration file. If you forget the password, you will need to reset the

configuration to factory defaults.

To restore your settings from a saved configuration file, enter the full path to the file on your

computer, or click

Browse

to browse to the file. When you have located it, click

Restore

send the file to the N300 wireless modem router. The N300 wireless modem router then

reboots automatically.

WARNING!

Do not interrupt the reboot process.

Erasing the Configuration

Under some circumstances (for example, if you move the N300 wireless modem router to a

different network or if you have forgotten the password), you might want to erase the

configuration and restore the factory default settings. After an erase, the N300 wireless

modem router’s user name is

admin

, the password is

password

, the LAN IP address is

192.168.0.1

, and its DHCP server is enabled.

•

To erase the configuration, click the

Erase

button in the Backup Settings screen.

•

To restore the factory default configuration settings when you do not know the login

password or IP address, you must use the

Restore Factory Settings

button on the rear

panel of the N300 wireless modem router (see

Restoring the Factory Configuration

Settings

on page

147).

Running Diagnostic Utilities and Rebooting the Router

The N300 wireless modem router has a diagnostics feature. In the main menu, select

Maintenance > Diagnostics

to display the following screen: