Netgear D6400 Ac1600 Wifi Vdsl Adsl Modem Router 802 11ac Dual Band Gigabit User Manual

							350 East Plumeria Drive
San Jose, CA 95134 
USAMay 2016
202-11485-07
AC1600 WiFi VDSL/ADSL Modem Router
Model D6400
User Manual 
						

							 
2 AC1600 WiFi VDSL/ADSL Modem Router Model D6400 
Support
Thank you for purchasing this NETGEAR product. You can visit www.netgear.com/support to register your product, get help, access the latest downloads and user manuals, and join our community. We recommend that you use only official NETGEAR 
support resources.
Conformity
For the current EU Declaration of Conformity, visit http://kb.netgear.com/app/answers/detail/a_id/11621.
Compliance
For regulatory compliance information, visit http://www.netgear.com/about/regulatory.
See the regulatory compliance document before connecting the power supply.
Trademarks
© NETGEAR, Inc., NETGEAR and the NETGEAR Logo are trademarks of NETGEAR, Inc. Any non-NETGEAR trademarks are 
used for reference purposes only. 
						

							3
Contents
Chapter 1 Hardware Overview of the Modem Router
Unpack Your Modem Router  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10
Front Panel with LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
Back Panel with Ports, Buttons, and Connector . . . . . . . . . . . . . . . . . . . . . . . . . .  13
Right Side Panel with WPS and WiFi On/Off Buttons and USB Port  . . . . . . . . .  14
Bottom Panel Product Label  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  15
Chapter 2 Install and Access the Modem Router and Its Network
Position Your Modem Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  17
Connect to the Modem Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  18
Connect to the Modem Router Through an Ethernet Cable. . . . . . . . . . . . . .  18
Join the WiFi Network of the Modem Router . . . . . . . . . . . . . . . . . . . . . . . . . .  18
Types of Logins  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  19
Automatic Internet Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  20
Set Up Your Modem Router for DSL Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . .  21
DSL Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  21
Cable the Modem Router for DSL Service and Access the Modem Router .  22
Set Up Your Modem Router for Cable or Fiber Service . . . . . . . . . . . . . . . . . . . .  29
Log In to the Modem Router After Setup to View or Change Settings . . . . . . .  35
Change the Language . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  37
Change the admin Password  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  37
Set Up Password Recovery  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  38
Let the Modem Router Automatically Update Its Firmware . . . . . . . . . . . . . . . .  39
Access the Modem Router with the NETGEAR genie App . . . . . . . . . . . . . . . . . .  40
Chapter 3 Manage the Internet Settings Manually
Use the Internet Setup Wizard After Initial Setup  . . . . . . . . . . . . . . . . . . . . . . . .  42
Manually Set Up an ADSL Internet Connection  . . . . . . . . . . . . . . . . . . . . . . . . . .  47
Specify an ADSL Connection Without a Login Requirement  . . . . . . . . . . . . .  47
Specify an ADSL Connection with a Login Requirement and 
PPPoA or PPPoE Service  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  52
Manually Set Up a VDSL Internet Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . .  57
Specify a VDSL Connection Without a Login Requirement  . . . . . . . . . . . . . .  57
Specify a VDSL Connection with a Login Requirement and 
PPPoE Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  61
Manually Set Up a Cable of Fiber Internet Connection . . . . . . . . . . . . . . . . . . . .  66
Specify a Cable or Fiber Connection Without a Login Requirement . . . . . . .  66
Specify a Cable or Fiber Connection With a Login Requirement 
and PPPoE Service  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  71 
						

							 
4 AC1600 WiFi VDSL/ADSL Modem Router Model D6400 
Specify an IPv6 Internet Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  75
IPv6 Internet Connections and IPv6 Addresses . . . . . . . . . . . . . . . . . . . . . . . .  75
Set Up an IPv6 Connection Through Auto Detect . . . . . . . . . . . . . . . . . . . . . .  76
Set Up an IPv6 6to4 Tunnel Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  78
Set Up an IPv6 Pass-Through Connection  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  79
Set Up an IPv6 Fixed Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  80
Set Up an IPv6 DHCP Connection  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  82
Set Up an IPv6 PPPoE Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  84
Set Up an IPv6 Connection Through Auto Config  . . . . . . . . . . . . . . . . . . . . . .  86
Set Up an IPv6 6rd Tunnel Connection  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  88
Manage the MTU Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  90
MTU Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  90
Change the MTU Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  91
Chapter 4 Manage the WiFi Network Settings
Manage the Basic WiFi Settings and WiFi Security of the Main Network. . . . .  93
View or Change the Basic WiFi Settings  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  93
Configure WPA/WPA2 Enterprise WiFi Security . . . . . . . . . . . . . . . . . . . . . . .  98
Configure WEP Legacy WiFi Security  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Use WPS to Add a Device to the WiFi Network  . . . . . . . . . . . . . . . . . . . . . . . . . 102
Use WPS with the Push Button Method  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Use WPS with the PIN Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Manage the Basic WiFi Settings and WiFi Security of the Guest Network . . . 105
Set Up and Enable a Guest Network  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Configure WEP Legacy WiFi Security for the Guest WiFi Network. . . . . . . 108
Control the WiFi Radios  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Use the WiFi On/Off Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Enable or Disable the WiFi Radios. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Set Up a WiFi Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Manage the WPS Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Manage Advanced WiFi Features  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Use the Modem Router as a WiFi Access Point . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Chapter 5 Control Access to the Internet
Set Up Parental Controls  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Allow or Block Access to Your Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Enable and Manage Network Access Control . . . . . . . . . . . . . . . . . . . . . . . . . 121
Manage Network Access Control Lists  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Use Keywords to Block Internet Sites  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Set Up Blocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Remove a Keyword or Domain from the Blocked List . . . . . . . . . . . . . . . . . . 128
Remove All Keywords and Domains from the Blocked List  . . . . . . . . . . . . . 128
Specify a Trusted Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Manage Simple Outbound Firewall Rules for Services and Applications . . . . . 130
Add an Outbound Firewall Rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Add an Outbound Firewall Rule for a Custom Service or Application . . . . . 132 
						

							 
5  AC1600 WiFi VDSL/ADSL Modem Router Model D6400
Change an Outbound Firewall Rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Remove an Outbound Firewall Rule  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Set Up a Schedule for Keyword Blocking and Outbound Firewall Rules  . . . . . 136
Set Up Security Event Email Notifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Chapter 6 Optimize Performance
Optimize Traffic with Internet Access QoS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Manage Default and Custom QoS Rules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
View the Default QoS Rules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Create a Custom QoS Rule for an Application or Online Game  . . . . . . . . . . 143
Create a Custom QoS Rule for a Modem Router LAN Port. . . . . . . . . . . . . . 145
Create a Custom QoS Rule for a MAC Address. . . . . . . . . . . . . . . . . . . . . . . . 146
Change a Default or Custom QoS Rule  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Remove a QoS Rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Remove All QoS Rules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Manage Wi-Fi Multimedia Quality of Service . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Manage Implicit Beamforming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Improve Network Connections with Universal Plug and Play . . . . . . . . . . . . . . 154
Chapter 7 Share a Storage Device
USB Device Requirements  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Connect a USB Device to the Modem Router . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Access a Storage Device Connected to the Modem Router . . . . . . . . . . . . . . . 158
Back Up Windows Computers with ReadySHARE Vault . . . . . . . . . . . . . . . . . . . 159
Manage Access to a Storage Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Enable FTP Access Within Your Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
View Network Folders on a Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Add a Network Folder on a Storage Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Change a Network Folder, Including Read and Write Access, on a USB Drive 166
Approve USB Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Safely Remove a USB Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Chapter 8 Access Storage Devices Through the Internet
Set Up and Manage Dynamic DNS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Your Personal FTP Server  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Set Up a New Dynamic DNS Account. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Specify a DNS Account That You Already Created. . . . . . . . . . . . . . . . . . . . . 174
Access Storage Devices Through the Internet  . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Set Up FTP Access Through the Internet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Access Storage Devices Through the Internet with FTP . . . . . . . . . . . . . . . . 177
Chapter 9 Use the Modem Router as a Media Server
Specify ReadyDLNA Media Server Settings  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
Play Media from a USB Device on TiVo  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181 
						

							 
6 AC1600 WiFi VDSL/ADSL Modem Router Model D6400 
Chapter 10 Share a USB Printer
Install the Printer Driver and Cable the Printer. . . . . . . . . . . . . . . . . . . . . . . . . . 184
Download the ReadySHARE Printer Utility  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Install the ReadySHARE Printer Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Use the Shared Printer  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
View or Change the Status of a Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Use the Scan Feature of a Multifunction USB Printer  . . . . . . . . . . . . . . . . . . . . 188
Change NETGEAR USB Control Center Settings . . . . . . . . . . . . . . . . . . . . . . . . . 189
Change the NETGEAR USB Control Center Language . . . . . . . . . . . . . . . . . . 190
Specify the Time-out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Chapter 11 Manage the WAN and LAN Network Settings
Change the Physical WAN Connection Preference . . . . . . . . . . . . . . . . . . . . . . . 192
Enable and Configure a VLAN  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Set Up a Bridge for a Port Group or VLAN Tag Group . . . . . . . . . . . . . . . . . . . . 194
Set Up a Bridge for a Port Group  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Set Up a Bridge for a VLAN Tag Group  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Enable Bridge Mode for an IPTV Device  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Manage the WAN Security Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Set Up a Default DMZ Server  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Manage IGMP Proxying  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Manage NAT Filtering  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Manage the SIP Application-Level Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Manage the Modem Router’s LAN IP Address Settings . . . . . . . . . . . . . . . . . . . 203
Manage the Router Information Protocol Settings  . . . . . . . . . . . . . . . . . . . . . . 205
Manage Reserved LAN IP Addresses  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Reserve a LAN IP address  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Change a Reserved IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Remove a Reserved IP Address Entry  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Change the Modem Router’s Device Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Manage the DHCP Server Address Pool  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Disable the Built-In DHCP Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Set Up and Manage Custom Static Routes  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Set Up a Static Route  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
Change a Static Route  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Remove a Static Route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Chapter 12 Manage the Modem Router and Monitor the Traffic
Update the Firmware of the Modem Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Check for New Firmware and Update the Modem Router . . . . . . . . . . . . . . 217
Manually Upload New Firmware and Update the Modem Router . . . . . . . . 218
Manage the Configuration File of the Modem Router . . . . . . . . . . . . . . . . . . . . 220
Back Up the Settings  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Restore the Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Recover the admin Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Return the Modem Router to Its Factory Default Settings . . . . . . . . . . . . . . . . 222 
						

							 
7  AC1600 WiFi VDSL/ADSL Modem Router Model D6400
Use the Reset Button  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Erase the Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
View the Status and Statistics of the Modem Router  . . . . . . . . . . . . . . . . . . . . 224
View Information About the Modem Router and the Internet, 
Modem, and WiFi Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
View the Traffic Statistics  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
View, Renew, or Release a TCP/IP Internet Connection . . . . . . . . . . . . . . . . 230
View, Connect, or Disconnect a PPPoE or PPPoA Internet Connection . . . 232
Manage the Activity Log  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
View and Manage the Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Specify Which Activities Are Logged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
View Devices Currently on the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Monitor and Meter Internet Traffic  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Start the Traffic Meter Without Traffic Volume Restrictions . . . . . . . . . . . . 236
View the Traffic Statistics and Traffic Status  . . . . . . . . . . . . . . . . . . . . . . . . . 237
Restrict Internet Traffic by Volume  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Restrict Internet Traffic by Connection Time . . . . . . . . . . . . . . . . . . . . . . . . . 240
Unblock the Traffic Meter After the Traffic Limit Is Reached  . . . . . . . . . . . 242
Manage the Modem Router Remotely . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Remotely Access the Modem Router Using the genie App . . . . . . . . . . . . . . . . 244
Configure the Modem Router as a DSL Modem Only  . . . . . . . . . . . . . . . . . . . . 244
Disable LED Blinking or Turn Off LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
Chapter 13 Use VPN to Access Your Network
Set Up a VPN Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Specify VPN Service in the Modem Router  . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Install OpenVPN Software on Your Computer  . . . . . . . . . . . . . . . . . . . . . . . . 249
Use a VPN Tunnel  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Use VPN to Access the Modem Router’s USB Device and Media . . . . . . . . . . . 252
Use VPN to Access Your Internet Service at Home  . . . . . . . . . . . . . . . . . . . . . . 253
Set Up VPN Client Internet Access in the Modem Router . . . . . . . . . . . . . . . 253
Block VPN Client Internet Access in the Modem Router . . . . . . . . . . . . . . . . 254
Use a VPN Tunnel to Access Your Internet Service at Home  . . . . . . . . . . . . 255
Chapter 14 Manage Port Forwarding and Port Triggering
Manage Port Forwarding to a Local Server for Services and Applications . . . 257
Forward Incoming Traffic for a Default Service or Application . . . . . . . . . . 257
Add a Port Forwarding Rule with a Custom Service or Application. . . . . . . 258
Change a Port Forwarding Rule  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
Remove a Port Forwarding Rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Application Example: Make a Local Web Server Public . . . . . . . . . . . . . . . . . 262
How the Modem Router Implements the Port Forwarding Rule . . . . . . . . . 263
Manage Port Triggering for Services and Applications  . . . . . . . . . . . . . . . . . . . 263
Add a Port Triggering Rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Change a Port Triggering Rule. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Disable or Remove a Port Triggering Rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Specify the Time-Out Period for Port Triggering  . . . . . . . . . . . . . . . . . . . . . 268 
						

							 
8 AC1600 WiFi VDSL/ADSL Modem Router Model D6400 
Disable Port Triggering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
Application Example: Port Triggering for Internet Relay Chat . . . . . . . . . . . 270
Chapter 15 Troubleshooting
Quick Tips for Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
Troubleshoot with the LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
Power LED Remains Solid Amber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
Power LED Is Off. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
WiFi LED Is Off  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
You Cannot Log In to the Modem Router  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Troubleshoot the Internet Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
Troubleshoot the DSL Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
Internet LED Is Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
Obtain an Internet IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
Troubleshoot PPPoE or PPPoA  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
Troubleshoot Internet Browsing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
Changes Are Not Saved  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Troubleshoot the WiFi Connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Troubleshoot Your Network Using the Ping Utility . . . . . . . . . . . . . . . . . . . . . . . 281
Test the LAN Path to Your Modem Router  . . . . . . . . . . . . . . . . . . . . . . . . . . . 281
Test the Path from Your Computer to a Remote Device . . . . . . . . . . . . . . . . 282
Appendix A Supplemental Information
Factory Settings  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284
Technical Specifications  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286 
						

							9
1
1.   Hardware Overview of the Modem 
Router
The NETGEAR® AC1600 WiFi VDSL/ADSL Modem Router Model D6400, in this manual 
referred to as the modem router, delivers WiFi connection speeds up to1 300 Mbps on 2.4 GHz 
802.11n and up to 1300 Mbps on 5 GHz 802.11ac. Both 2.4 GHz and 5 GHz bands can be active 
simultaneously. The modem router is compatible with most major DSL Internet service providers 
and also supports cable or fiber Internet service.
The chapter contains the following sections:
•Unpack Your Modem Router
•Front Panel with LEDs
•Back Panel with Ports, Buttons, and Connector
•Right Side Panel with WPS and WiFi On/Off Buttons and USB Port
•Bottom Panel Product Label
Note:For more information about the topics that are covered in this manual, 
visit the support website at support.netgear.com.
Note:Firmware updates with new features and bug fixes are made 
available from time to time at 
downloadcenter.netgear.com. You can 
check for and download new firmware manually. If the features or 
behavior of your product does not match what is described in this 
guide, you might need to update your firmware.
Note:In this manual, the terms wireless and WiFi are interchangeable.
1. Actual data throughput and WiFi coverage will vary. Network conditions and environmental factors, including volume of network traffic, building 
materials and construction, and network overhead, lower actual data throughput rate and WiFi coverage. NETGEAR makes no express or implied 
representations or warranties about this product’s compatibility with any future standards. 
						

							Hardware Overview of the Modem Router 10
AC1600 WiFi VDSL/ADSL Modem Router Model D6400 
Unpack Your Modem Router
Your package contains the following items.
 
 
Power adapter
Ethernet cable
Phone cable
DSL or ADSL filter
Modem router
(varies by region)
(varies by region)
Figure 1. Package contents for the modem router
Your package might contain more items. The filter or phone cable provided depends on the 
region, and in some locations, a CD is included.