Hongdian H8951 3G/4G Wi-Fi router - Manual (Page 95)

H8951 3G/4G Router 5 Router config
(2014-07-01) - 79 -
Parameter Details Operation
protocol VPDN protocol includes

L2TP
 PPTP
Select from Dropdown List,
cannot be modified after
save.
Service IP or
Domain IP or domain of server to be visited To input the IP or domain of
server to be visited.
Username Username of server to be visited To input the username.
Password Password of server to be visited To input password.
Advanced
settings Advanced parameter of PPP link Click “Display”
Step 5 Single click “save” icon to finish.
After a VPDN rule is added, router will build VPN communication with service address
automatically. To see the tunnel status, click “View” in “Tunnel” tab.
Figure 5-58 L2TP tunnel status
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5.6.3 Tunnel configuration
Tunneling through a network infrastructure to transfer data between the network mode. The
entire transfer process, the logic path encapsulated packet delivery over the public Internet
through which called tunnel.
GRE and IPIP Tunnel configuration supports two modes.
GRE (Generic Routing Encapsulation, Generic Routing protocol encapsulation) specifies how
to use a network protocol to another network protocol encapsulation method. The main
purpose of the GRE protocol, there are two: internal protocol encapsulation and private
address encapsulation.