TP-Link TD-W9977 User Guide - Page 60

Set up a VPN Connection

Page 60 highlights

Chapter 11 Specify Your Network Settings Done! Router 2 and then to the Server, so the default gateway should be 192.168.1.2. • Interface: Determined by the port (WAN/LAN) that sends out the data packets. In the example, the data is sent to the gateway through the LAN port, so LAN should be selected. 5. Select the check box to enable this entry. 6. Click OK to save the settings. Open a web browser on your PC. Enter the company server's IP address to visit the company network. 11. 7. Set up a VPN Connection VPN (Virtual Private Network) is a private network established across the public network, generally via the Internet. However, the private network is a logical network without any physical network lines, so it is called Virtual Private Network. With the wide application of the Internet, more and more data are needed to be shared through the Internet. Connecting the local network to the Internet directly, though can allow the data exchange, will cause the private data to be exposed to all the users on the Internet. The VPN (Virtual Private Network) technology is developed and used to establish the private network through the public network, which can provides a secure communication to a remote computer or remote network, and guarantee a secured data exchange. IPSec is one of the major implementations of VPNs. I want to: Establish an IPSec VPN tunnel to connect two LANs via Internet so that the hosts in different remote LANs are able to communicate with each as if they are in the same LAN. For example, I am the network administrator of a regional office, I need to let my office staff can visit the headquarter's servers and resources, and vice versa. I know that the modem router in my office and the device in headquarter both support IPSec VPN feature, so I decide to set up a VPN connection with the headquarter office. The following diagram is a typical VPN topology. Here Site A refers to regional office's network (local network). And Site B refers to the headquarter's network (remote network) which I want to connect. 57

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57
Chapter 11
Specify Your Network Settings
Router 2 and then to the Server, so the default gateway should
be 192.168.1.2.
Interface:
Determined by the port (WAN/LAN) that sends
out the data packets. In the example, the data is sent to the
gateway through the LAN port, so LAN should be selected.
Select the check box to enable this entry.
Click
OK
to save the settings.
Open a web browser on your PC. Enter the company server’s IP
address to visit the company network.
11° 7°
Set up a
VPN Connection
VPN (Virtual Private Network) is a private network established across the public network,
generally via the Internet. However, the private network is a logical network without any
physical network lines, so it is called Virtual Private Network.
With the wide application of the Internet, more and more data are needed to be shared
through the Internet. Connecting the local network to the Internet directly, though can
allow the data exchange, will cause the private data to be exposed to all the users on
the Internet.
The VPN (Virtual Private Network) technology is developed and used to establish the
private network through the public network, which can provides a secure communication
to a remote computer or remote network, and guarantee a secured data exchange.
IPSec is one of the major implementations of VPNs.
Establish an IPSec VPN tunnel to connect two LANs via
Internet so that the hosts in different remote LANs are able to
communicate with each as if they are in the same LAN.
For example
, I am the network administrator of a regional office,
I need to let my office staff can visit the headquarter’s servers
and resources, and vice versa. I know that the modem router
in my office and the device in headquarter both support IPSec
VPN feature, so I decide to set up a VPN connection with the
headquarter office.
The following diagram is a typical VPN topology. Here Site A
refers to regional office’s network (local network). And Site B
refers to the headquarter’s network (remote network) which I
want to connect.
Done!
I want to: