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Netgear DG834G DG834Gv5 Reference Manual - Page 147

Problems with Date and Time, Adjust for Daylight Savings Time

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Wireless ADSL2+ Modem Router DG834G User Manual • Press both the Wireless button and WPS button on the side of the modem router for 5 seconds. Use this method for cases when the administration password or IP address is not known. Note: Pressing the reset button on the modem router reboots the unit but does not restore the factory default settings. Problems with Date and Time The E-mail screen in the Content Filtering section displays the current date and time of day. The ADSL2+ Modem Wireless Router uses the Network Time Protocol (NTP) to obtain the current time from one of several network time servers on the Internet. Each entry in the log is stamped with the date and time of day. Problems with the date and time function can include the following: • Date shown is January 1, 2000. Cause: The router has not yet successfully reached a network time server. Check that your Internet access settings are configured correctly. If you have just completed configuring the router, wait at least 5 minutes, and check the date and time again. • Time is off by one hour. Cause: The router does not automatically sense daylight savings time. On the E-mail screen, select or clear the Adjust for Daylight Savings Time check box. Troubleshooting 7-9 v1.0, May 2008

Section	Page
Wireless ADSL2+ Modem Router DG834G User Manual	1
Contents	7
About This Manual	13
Conventions, Formats, and Scope	13
How to Use This Manual	14
How to Print this Manual	14
Chapter 1 Configuring Your Internet Connection	17
What You Need Before You Begin	17
Using the Smart Wizard to Set Up Your Router	18
Logging In to the Modem Router	19
Using the Setup Wizard to Auto-Detect Your Internet Connection	20
Viewing or Manually Configuring Your ISP Settings	22
Changing Your ADSL Settings	26
How the Internet Connection Works	27
Chapter 2 Configuring Your Wireless Network and Security Settings	29
Planning Your Wireless Network	29
Wireless Placement and Range Guidelines	30
Wireless Security Options	31
Manually Configuring Your Wireless Network	32
Configuring Your Wireless Security	35
Using Push 'N' Connect (WPS) to Configure Your Wireless Network	38
Using a WPS Button to Add a WPS Client	39
Using PIN Entry to Add a WPS Client	40
Connecting Additional Wireless Client Devices After WPS Setup	42
Advanced Wireless Settings for WPS and WDS	43
Controlling Wireless Station Access	44
Restricting Access by MAC Address	45
Chapter 3 Protecting Your Network	47
Protecting Access to Your ADSL2+ Modem Wireless Router	47
Changing the Built-In Password	47
Changing the Administrator Login Time-out	48
Configuring Basic Firewall Services	48
Blocking Keywords, Sites, and Services	49
Blocking Keywords and Sites	49
Firewall Rules	51
Inbound Rules (Port Forwarding)	52
Outbound Rules (Service Blocking)	54
Order of Precedence for Rules	56
Services	56
Setting Times and Scheduling Firewall Services	57
Scheduling Firewall Services	59
Chapter 4 Managing Your Network	61
Backing Up, Restoring, or Erasing Your Settings	61
Backing Up the Configuration to a File	61
Restoring the Configuration from a File	62
Erasing the Configuration	62
Upgrading the Modem Router Firmware	62
Network Management Information	64
Viewing Modem Router Status and Usage Statistics	64
Viewing Attached Devices	68
Viewing, Selecting, and Saving Logged Information	69
Log Message Examples	71
Enabling Security Event E-mail Notification	72
Running Diagnostic Utilities and Rebooting the Modem Router	73
Enabling Remote Management	74
Configuring Remote Management	74
Chapter 5 Advanced Configuration	77
Modifying Your WAN Setup	77
Setting Up a Default DMZ Server	79
Configuring Your LAN IP Settings	80
Using the Modem Router as a DHCP Server	82
Defining Reserved IP Addresses	83
Configuring Dynamic DNS	84
Using Static Routes	85
Static Route Example	85
Configuring Static Routes	86
Configuring Universal Plug and Play (UPnP)	87
Configuring Wireless Bridging and Repeating (WDS)	89
Point-to-Point Bridge Configuration	90
Multi-Point Bridge Configuration	91
Repeater with Wireless Client Association	93
Chapter 6 Virtual Private Networking	95
Overview of VPN Configuration	95
Client-to-Gateway VPN Tunnels	96
Gateway-to-Gateway VPN Tunnels	96
Planning a VPN	97
VPN Tunnel Configuration	98
Setting Up a Client-to-Gateway VPN Configuration	99
Step 1: Configuring the Client-to-Gateway VPN Tunnel on the DG834Gv5	100
Step 2: Configuring the NETGEAR ProSafe VPN Client on the Remote PC	104
Setting Up a Gateway-to-Gateway VPN Configuration	112
VPN Tunnel Control	119
Activating a VPN Tunnel	119
Verifying the Status of a VPN Tunnel	122
Deactivating a VPN Tunnel	124
Deleting a VPN Tunnel	125
Setting Up VPN Tunnels in Special Circumstances	126
Using Auto Policy to Configure VPN Tunnels	126
Using Manual Policy to Configure VPN Tunnels	136
Chapter 7 Troubleshooting	139
Basic Functioning	139
Power LED Is Not On	140
Power LED Is Red	140
LAN or DSL or Internet Port LEDs Are Not On	140
Troubleshooting Access to the Modem Router Main Menu	140
Troubleshooting the ISP Connection	141
ADSL Link	141
ADSL Link	142
Obtaining a WAN IP Address	143
Troubleshooting PPPoE or PPPoA	144
Troubleshooting Internet Browsing	144
Troubleshooting a TCP/IP Network Using the Ping Utility	145
Testing the LAN Path to Your Router	145
Testing the Path from Your Computer to a Remote Device	146
Restoring the Default Configuration and Password	146
Problems with Date and Time	147
Appendix A Technical Specifications	149
Appendix B NETGEAR VPN Configuration	151
DG834G v5 to FVL328	151
Configuration Profile	151
Step-By-Step Configuration	152
DG834G v5 with FQDN to FVL328	156
Configuration Profile	156
Step-By-Step Configuration	157
Configuration Summary (Telecommuter Example)	161
Setting Up the Client-to-Gateway VPN Configuration (Telecommuter Example)	162
Step 1: Configuring the Client-to-Gateway VPN Tunnel on the VPN Router at the Employer’s Main Office	162
Step 2: Configuring the NETGEAR ProSafe VPN Client on the Remote PC at the Telecommuter’s Home Office	164
Monitoring the VPN Tunnel (Telecommuter Example)	172
Viewing the PC Client’s Connection Monitor and Log Viewer	172
Viewing the VPN Router’s VPN Status and Log Information	173

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Wireless ADSL2+ Modem Router DG834G User Manual

Troubleshooting

7-9

v1.0, May 2008

•

Press both the Wireless button and WPS button on the side of the modem router for 5 seconds.

Use this method for cases when the administration password or IP address is not known.

Problems with Date and Time

The E-mail screen in the Content Filtering section displays the current date and time of day. The

ADSL2+ Modem Wireless Router uses the Network Time Protocol (NTP) to obtain the current

time from one of several network time servers on the Internet. Each entry in the log is stamped

with the date and time of day. Problems with the date and time function can include the following:

•

Date shown is January 1, 2000.

Cause: The router has not yet successfully reached a network time server. Check that your

Internet access settings are configured correctly. If you have just completed configuring the

router, wait at least 5 minutes, and check the date and time again.

•

Time is off by one hour.

Cause: The router does not automatically sense daylight savings time. On the E-mail screen,

select or clear the

Adjust for Daylight Savings Time

check box.

Note:

Pressing the reset button on the modem router reboots the unit but does not restore

the factory default settings.