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NAT Forwarding

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Chapter 11 NAT Forwarding The router's NAT (Network Address Translation) feature makes devices on the LAN use the same public IP address to communicate with devices on the internet, which protects the local network by hiding IP addresses of the devices. However, it also brings about the problem that an external host cannot initiatively communicate with a specified device on the local network. With the forwarding feature the router can penetrate the isolation of NAT and allows devices on the internet to initiatively communicate with devices on the local network, thus realizing some special functions. The TP-Link router supports four forwarding rules. If two or more rules are set, the priority of implementation from high to low is Virtual Servers, Port Triggering, UPNP and DMZ. It contains the following sections: • Translate Address and Port by ALG • Share Local Resources on the Internet by Virtual Servers • Open Ports Dynamically by Port Triggering • Make Applications Free from Port Restriction by DMZ • Make Xbox Online Games Run Smoothly by UPnP

Section	Page
About This Guide	5
Get to Know About Your Router	7
1. 1. Product Overview	8
1. 2. Appearance	8
1. 2. 1. The Front Panel	8
1. 2. 2. The Back Panel	9
Connect the Hardware	11
2. 1. Position Your Router	12
2. 2. Connect Your Router	12
Log In to Your Router	15
Set Up Internet Connection	17
4. 1. Use Quick Setup Wizard	18
4. 2. Manually Set up Your Internet Connection	18
4. 3. Set Up an IPv6 Internet Connection	22
4. 4. Configure the Router in Access Point Mode	25
TP-Link Cloud Service	27
5. 1. Register a TP-Link ID	28
5. 2. Change Your TP-Link ID Information	28
5. 3. Manage the User TP-Link IDs	29
5. 3. 1. Add TP-Link ID to Manage the Router	30
5. 3. 2. Remove TP-Link ID(s) from Managing the Router	30
5. 4. Manage the Router via the TP-Link Tether App	31
OneMeshTM with Seamless Roaming	32
6. 1. Set Up a OneMeshTM Network	33
6. 2. Manage Devices in the OneMeshTM Network	34
Guest Network	37
7. 1. Create a Network for Guests	38
7. 2. Customize Guest Network Options	39
Parental Controls	41
8. 1. Set Up Access Restrictions	42
8. 2. Monitor Internet Usage	44
QoS	46
Network Security	48
10. 1. Protect the Network from Cyber Attacks	49
10. 2. Access Control	50
10. 3. IP & MAC Binding	51
NAT Forwarding	53
11. 1. Translate Address and Port by ALG	54
11. 2. Share Local Resources on the Internet by Virtual Servers	55
11. 3. Open Ports Dynamically by Port Triggering	56
11. 4. Make Applications Free from Port Restriction by DMZ	57
11. 5. Make Xbox Online Games Run Smoothly by UPnP	58
VPN Server	60
12. 1. Use OpenVPN to Access Your Home Network	61
12. 1. 1. Step1. Set up OpenVPN Server on Your Router	61
12. 1. 2. Step 2. Configure OpenVPN Connection on Your Remote Device	62
12. 2. Use PPTP VPN to Access Your Home Network	62
12. 2. 1. Step 1. Set up PPTP VPN Server on Your Router	63
12. 2. 2. Step 2. Configure PPTP VPN Connection on Your Remote Device	64
Customize Your Network Settings	68
13. 1. Change the LAN Settings	69
13. 2. Configure to Support IPTV Service	69
13. 3. Specify DHCP Server Settings	70
13. 4. Set Up a Dynamic DNS Service Account	72
13. 5. Create Static Routes	74
13. 6. Specify Wireless Settings	76
13. 7. Use WPS for Wireless Connection	78
13. 7. 1. Set the Router’s PIN	78
13. 7. 2. Use the WPS Wizard for Wi-Fi Connections	79
13. 8. Schedule Your Wireless Function	79
13. 9. TxBF, MU-MIMO	81
Manage the Router	82
14. 1. Set Up System Time	83
14. 2. Control LEDs	84
14. 3. Test the Network Connectivity	85
14. 4. Upgrade the Firmware	86
14. 5. Backup and Restore Configuration Settings	87
14. 6. Set the Router to Reboot Regularly	88
14. 7. Change the Login Password	89
14. 8. Password Recovery	90
14. 9. Local Management	91
14. 10. Remote Management	92
14. 11. System Log	93
14. 12. Monitor the Internet Traffic Statistics	95
14. 13. Configure the System Parameters	96
14. 13. 1. Wireless Advanced	96
14. 13. 2. WDS	97
14. 13. 3. WPS	98
14. 13. 4. NAT	99
14. 13. 5. DoS Protection	99
14. 13. 6. Duplex	100
Work with Alexa	101

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Chapter

NAT Forwarding

The router’s NAT (Network Address Translation) feature makes devices on the LAN use

the same public IP address to communicate with devices on the internet, which protects

the local network by hiding IP addresses of the devices. However, it also brings about

the problem that an external host cannot initiatively communicate with a specified

device on the local network.

With the forwarding feature the router can penetrate the isolation of NAT and allows

devices on the internet to initiatively communicate with devices on the local network,

thus realizing some special functions.

The TP-Link router supports four forwarding rules. If two or more rules are set, the

priority of implementation from high to low is Virtual Servers, Port Triggering, UPNP and

DMZ.

It contains the following sections:

•

Translate Address and Port by ALG

•

Share Local Resources on the Internet by Virtual Servers

•

Open Ports Dynamically by Port Triggering

•

Make Applications Free from Port Restriction by DMZ

•

Make Xbox Online Games Run Smoothly by UPnP