Netgear D6200 User Manual Page 115
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Advanced Settings
115
D6200 WiFi DSL Modem Router
Your WiFi DSL modem router provides two features for creating these exceptions: port
forwarding and port triggering. The next sections provide background information to help you
understand how port forwarding and port triggering work, and the differences between the
two.
Remote Computer Access Basics
When a computer on your network needs to access a computer on the Internet, your
computer sends your WiFi DSL modem router a message containing the source and
destination address and process information. Before forwarding your message to the remote
computer, your WiFi DSL modem router has to modify the source information and create and
track the communication session so that replies can be routed back to your computer.
Here is an example of normal outbound traffic and the resulting inbound responses:
1. You open a browser, and your operating system assigns port number 5678 to this
browser session.
2. You type http://www.example.com into the URL field, and your computer creates a web
page request message with the following address and port information. The request
message is sent to your WiFi DSL modem router.
• Source address. Your computer’s IP address.
• Source port number. 5678, which is the browser session.
• Destination address. The IP address of www.example.com, which your computer
finds by asking a DNS server.
• Destination port number. 80, which is the standard port number for a web server
process.
3. Your WiFi DSL modem router creates an entry in its internal session table describing this
communication session between your computer and the web server at www.example.com.
Before sending the web page request message to www.example.com, your WiFi DSL
modem router stores the original information and then modifies the source information in the
request message, performing Network Address Translation (NAT):
• The source address is replaced with your WiFi DSL modem router’s public IP
address. This requirement is necessary because your computer uses a private IP
address that is not globally unique and cannot be used on the Internet.
• The source port number is changed to a number chosen by the WiFi DSL modem
router, such as 33333. This requirement is necessary because two computers could
independently be using the same session number.
Your WiFi DSL modem router then sends this request message through the Internet to
the web server at www.example.com.
4. The web server at www.example.com composes a return message with the requested web
page data. The return message contains the following address and port information. The
web server then sends this reply message to your WiFi DSL modem router.
• Source address. The IP address of www.example.com.
• Source port number. 80, which is the standard port number for a web server
process.
- D6200 WiFi DSL Modem Router 1
- Trademarks 2
- Contents 3
- Chapter 5 USB Storage 4
- Chapter 6 ReadySHARE Printer 4
- Chapter 7 Security 5
- Chapter 8 Administration 5
- Chapter 9 Advanced Settings 5
- Chapter 10 Troubleshooting 6
- Product Highlights 8
- Product Specifications 9
- Hardware Setup 10
- Unpack Your New Router 11
- Hardware Features 12
- Back Panel 13
- Front Panel 14
- Table 1. Power On/Off LED 15
- Table 2. DSL LED 15
- Table 3. Internet LED 15
- Table 4. Wireless LED 16
- Table 5. USB LED 16
- Side Panel 17
- Position Your Wireless Router 18
- ADSL Microfilters 18
- Figure 8. Cabling diagram 20
- Verify the Cabling 21
- Types of Logins and Access 23
- NETGEAR genie Setup 24
- ******** 25
- Manual Method 27
- NETGEAR genie BASIC Settings 29
- Internet Basic Settings 30
- Attached Devices 32
- Parental Controls 33
- Basic Wireless Settings 33
- Wireless Network 35
- Security Options Settings 35
- Wireless Security Options 36
- Guest Networks 37
- NETGEAR genie App 38
- NETGEAR genie ADVANCED Home 40
- Setup Wizard 42
- WPS Wizard 44
- VPN Wizard 45
- Setup Menu 47
- ADSL Setup 48
- WAN Setup 49
- Default DMZ Server 50
- Change the MTU Size 51
- LAN Setup 52
- LAN Setup Screen Settings 53
- Use Router as DHCP Server 54
- Address Reservation 54
- Quality of Service Setup 56
- Add a Priority Rule 57
- USB Storage 60
- ReadySHARE Access 61
- USB Drive Requirements 61
- File-Sharing Scenarios 62
- USB Storage Basic Settings 64
- Add or Edit a Network Folder 65
- USB Storage Advanced Settings 66
- Media Server Settings 68
- Specify Approved USB Devices 69
- ReadySHARE Cloud 70
- To set up ReadySHARE Cloud: 71
- Safely Remove a USB Drive 73
- ReadySHARE Printer 74
- Security 84
- Firewall Rules 86
- To create firewall rules: 87
- To add a custom service: 89
- Schedule for Firewall Rules 90
- Click Check 94
- Reboot the Router 97
- Connection Statistics 97
- Connection Status 98
- View VPN Status 99
- To view the logs: 100
- Manage the Configuration File 101
- Set Password 102
- Administration 103
- D6200 WiFi DSL Modem Router 103
- Diagnostics 104
- Advanced Settings 106
- Advanced Wireless Settings 107
- Turn Off Radio By Schedule 108
- WPS Settings 108
- Wireless Access List 109
- Wireless Repeating Function 112
- Set Up the Base Station 113
- Set Up a Repeater Unit 114
- Remote Computer Access Basics 115
- To set up port forwarding: 119
- Add a Custom Service 120
- Set Up Port Triggering 122
- Dynamic DNS 124
- To set up Dynamic DNS: 125
- Static Routes 126
- To set up a static route: 127
- Remote Management 129
- Universal Plug and Play 131
- Traffic Meter 133
- Device Mode 135
- VPN Policies 135
- To manage the VPN policies: 136
- Troubleshooting 142
- Quick Tips 143
- Troubleshoot with the LEDs 144
- LEDs Never Turn Off 145
- Wireless LED Is Off 145
- Cannot Log In to the Router 146
- Cannot Access the Internet 146
- Troubleshoot PPPoE 148
- Changes Not Saved 149
- Incorrect Date or Time 149
- Wireless Connectivity 149
- Request timed out 151
- Supplemental Information 153
- Technical Specifications 155
- Notification of Compliance 156
- FCC Caution 157
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