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Optimizing Your Network Bandwidth, Table 6-1., Theoretical Transfer Time for 1 Gigabyte

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RangeMax™ Dual Band Wireless-N Gigabit Router WNDR3700 User Manual • Backing up computers over the network has become popular due to the availability of inexpensive mass storage. Table 6-1 shows the time to transfer 1 gigabyte (GB) of data using various networking technologies. Table 6-1. Theoretical Transfer Time for 1 Gigabyte Network Connection Gigabit wired Ethernet RangeMax NEXT Wireless-N Powerline HD 100 Mbps wired Ethernet 802.11n wireless 802.11g wireless 802.11b wireless 10 Mbps wired Ethernet Cable modem (3 Mbps) Analog modem (56 kbps) Theoretical Raw Transfer Time 8 seconds 26 seconds 40 seconds 80 seconds 45 seconds 150 seconds 700 seconds 800 seconds 2700 seconds 144,000 seconds (40 hours) Optimizing Your Network Bandwidth As your network grows, it might consist of several segments of different networking technologies, each providing different throughput. In planning your network, you should first consider which devices will have the heaviest traffic flow between them. Examples are: • A media center in one room streaming high-definition video from a server in another room • A storage device that is used for backing up your computers Fine-Tuning Your Network 6-3 v1.3, October 2009

Section	Page
RangeMax™ Dual Band Wireless-N Gigabit Router WNDR3700 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	31
Configuring WPA, WPA2, or WPA/WPA2 Wireless Security	33
Using Push 'N' Connect (WPS) to Configure Your Wireless Network	35
Using a WPS Button to Add a WPS Client	36
Using PIN Entry to Add a WPS Client	37
Configuring Advanced WPS Settings	39
Connecting Additional Wireless Client Devices After WPS Setup	40
Adding More WPS Clients	40
Adding Both WPS and Non-WPS Clients	40
Restricting Access to Your Router	42
Adding Guest Networks	43
Chapter 3 Protecting Your Network	46
Protecting Access to Your Wireless Router	46
Changing the Built-In Password	47
Restricting Access by MAC Address	47
Blocking Access to Internet Sites	49
Blocking Access to Internet Services	50
Configuring a User-Defined Service	52
Scheduling Blocking	53
Viewing Logs of Web Access or Attempted Web Access	53
Configuring E-mail Alert and Web Access Log Notifications	54
Setting the Time	56
Chapter 4 Using Network Monitoring Tools	57
Upgrading the Router Firmware	57
Upgrading Automatically to New Router Software	59
Upgrading Manually to New Router Software	59
Viewing Wireless Router Status Information	61
Connection Status	64
Statistics	65
Viewing a List of Attached Devices	66
Managing the Configuration File	67
Backing Up and Restoring the Configuration	67
Erasing the Configuration	68
Enabling Remote Management Access	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