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H8922 3G/4G Router User Manual
Point to Point Tunneling Protocol (PPTP) is a network technology that supports multi-protocol virtual private
networks. It is also a Layer 2 protocol. Through this protocol, remote users can securely access the corporate
network through Windows mainstream operating systems and other systems equipped with peer-to-peer pro-
tocols, and can dial into the local ISP to securely connect to the corporate network through the Internet.
L2TP (Layer Two Tunneling Protocol) Abbreviation for Layer 2 Tunneling Protocol, which is a kind of VPDN (Vir-
tual Private Dial-Up Networking) technology, which is used for channel transmission of Layer 2 data. L2TP pro-
vides a means of remote access control. A typical application scenario is: a company employee dials into the
company's local network access server (NAS) through PPP, thereby accessing the company's internal network,
obtaining an IP address and accessing it. Network resources for the corresponding permissions. The employee's
access to the company's network is as safe and convenient as a corporate LAN.
Step 1
Click “VPN > VPDN” to open the configuration page of “VPDN”.
Figure 5-53
The configuration page of VPDN
Step 2
Cli
ck “Add” to add a new VPDN rule.As shown in Figure 5
-58.
Figure 5-54
VPDN rule configuration
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