Hongdian H8951 3G/4G Wi-Fi router - Manual (Page 127)

H8951 3G/4G Router 5 Router config
(2014-07-01) - 111 -
6.4 VPN
Introduction
VPN, virtual private network, a technology based on Internet, now H8951 3G/4G router
supports L2TP/PPTP/GRE/IPIP/IPSec of VPN.
L2TP used to build a virtual private network, after H8951 3G/4G Router connect to company
NAS server, PC under H8951 could visit company network like visiting the local area network.
Let us check a setting example:
Figure 6-88 Build IPSec
PC1 connect H8951 then build IPSEC link by VPN function of H8951 with company router. I
assume using IPSec tunnel mode, H8951 end local network 192.168.86.1/24, company server
end 192.168.99.1/24, by IPSEC, two LAN could communicate.