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Advertisement Time To Live, UPnP Portmap Table, Apply

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N600 Wireless Dual Band Router WNDR3400 User Manual • Advertisement Time To Live. The time to live for the advertisement is measured in hops (steps) for each UPnP packet sent. The time to live hop count is the number of steps a broadcast packet is allowed to propagate for each UPnP advertisement before it disappears. The number of hops can range from 1 to 255. The default value for the advertisement time to live is 4 hops, which should be fine for most home networks. If you notice that some devices are not being updated or reached correctly, then it might be necessary to increase this value. • UPnP Portmap Table. The UPnP Portmap Table displays the IP address of each UPnP device that is currently accessing the router and which ports (Internal and External) that device has opened. The UPnP Portmap Table also displays what type of port is open and whether that port is still active for each IP address. 3. Click Apply to save your settings. Fine-Tuning Your Network v1.0, August 2010 6-14

Section	Page
N600 Wireless Dual Band Router WNDR3400 User Manual	1
Contents	8
About This Manual	12
Chapter 1 Configuring Your Internet Connection	14
Using the Setup Manual	14
Logging In to Your Wireless Router	15
Selecting a Language for Your Screen Display	17
Using the Setup Wizard	19
Viewing or Manually Configuring Your ISP Settings	19
Chapter 2 Safeguarding Your Network	23
Planning Your Wireless Network	23
Wireless Placement and Range Guidelines	24
Wireless Security Options	25
Manually Configuring Your Wireless Settings	26
Configuring WEP Wireless Security	30
Configuring WPA, WPA2, or WPA/WPA2 Wireless Security	32
Using Push 'N' Connect (WPS) to Configure Your Wireless Network	33
Using a WPS Button to Add a WPS Client	34
Using PIN Entry to Add a WPS Client	36
Configuring Advanced WPS Settings	38
Connecting Additional Wireless Client Devices After WPS Setup	39
Adding More WPS Clients	39
Adding Both WPS and Non-WPS Clients	40
Restricting Access to Your Router	41
Adding Guest Networks	42
Chapter 3 Protecting Your Network	45
Protecting Access to Your Wireless Router	45
Changing the Built-In Password	46
Restricting Access by MAC Address	46
Blocking Access to Internet Sites	48
Blocking Access to Internet Services	49
Configuring a User-Defined Service	51
Scheduling Blocking	52
Viewing Logs of Web Access or Attempted Web Access	52
Configuring E-mail Alert and Web Access Log Notifications	53
Setting the Time	55
Chapter 4 Using Network Monitoring Tools	56
Upgrading the Router Firmware	56
Upgrading Automatically to New Router Software	58
Upgrading Manually to New Router Software	58
Viewing Wireless Router Status Information	60
Connection Status	63
Statistics	64
Viewing a List of Attached Devices	65
Managing the Configuration File	66
Backing Up and Restoring the Configuration	66
Erasing the Configuration	67
Enabling Remote Management Access	68
Scheduling Wireless Signal Down Time	69
Traffic Meter	71
Chapter 5 Customizing Your Network Settings	73
Using the LAN Setup Options	73
Using the Router as a DHCP Server	76
Address Reservation	76
Using a Dynamic DNS Service	77
Configuring the WAN Setup Options	79
Setting Up a Default DMZ Server	80
Configuring Static Routes	81
Allowing Inbound Connections to Your Network	83
How Your Computer Accesses a Remote Computer through Your Router	83
How Port Triggering Changes the Communication Process	85
How Port Forwarding Changes the Communication Process	86
How Port Forwarding Differs from Port Triggering	87
Configuring Port Forwarding to Local Servers	88
Adding a Custom Service	89
Editing or Deleting a Port Forwarding Entry	90
Configuring Port Triggering	90
Wireless Repeating (Also Called WDS)	94
Wireless Repeating Function	95
Setting Up the Base Station	96
Setting Up a Repeater Unit	98
Chapter 6 Fine-Tuning Your Network	99
Assessing Your Speed Requirements	100
Optimizing Your Network Bandwidth	101
Optimizing Wireless Performance	103
Changing the MTU Size	104
Quality of Service (QoS)	105
Using WMM QoS for Wireless Multimedia Applications	106
Configuring QoS for Internet Access	106
Universal Plug and Play	111
Chapter 7 USB Storage	113
USB Drive Requirements	113
File Sharing Scenarios	114
USB Storage Basic Settings	116
Editing a Network Folder	118
Configuring USB Storage Advanced Settings	119
Creating a Network Folder	121
ReadyShare Access	122
Unmounting a USB Drive	122
Specifying Approved USB Devices	123
Connecting to the USB Drive from a Remote Computer	124
Locating the Internet Port IP Address	124
Accessing the Router’s USB Drive Remotely Using FTP	124
Connecting to the USB Drive with Microsoft Network Settings	124
Enabling File and Printer Sharing	125
Chapter 8 Troubleshooting	126
Quick Tips	126
Troubleshooting Basic Functions	128
Cannot Access the Router Main Menu	129
Cannot Access the Internet	130
Troubleshooting a Network Using the Ping Utility	131
Testing the LAN Path to Your Router	132
Testing the Path from Your Computer to a Remote Device	133
Problems with Date and Time	133
Wireless Connectivity	134
Using Your Wireless Card Setup Program	134
Setting Up and Testing Basic Wireless Connectivity	135
Restoring the Default Configuration and Password	139
Appendix A Default Configuration and Technical Specifications	140
Restoring the Default Factory Configuration Settings	140
Technical Specifications	142
Appendix B Related Documents	144

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N600 Wireless Dual Band Router WNDR3400 User Manual

Fine-Tuning Your Network

6-14

v1.0, August 2010

•

Advertisement Time To Live

The time to live for the advertisement is measured in hops

(steps) for each UPnP packet sent. The time to live hop count is the number of steps a

broadcast packet is allowed to propagate for each UPnP advertisement before it

disappears. The number of hops can range from 1 to 255. The default value for the

advertisement time to live is 4 hops, which should be fine for most home networks. If you

notice that some devices are not being updated or reached correctly, then it might be

necessary to increase this value.

•

UPnP Portmap Table

The UPnP Portmap Table displays the IP address of each UPnP

device that is currently accessing the router and which ports (Internal and External) that

device has opened. The UPnP Portmap Table also displays what type of port is open and

whether that port is still active for each IP address.

Click

Apply

to save your settings.