Huawei B311As-853 - VPN Function; IP Pass-Through

HUAWEI B311As-853 LTE CPE
Product Description
3 Services and Applications
Issue02 (2018-06-01)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
12
3.3.3 Wi-Fi Authentication
The gateway supports the following user authentication protocols for WLAN:

No encryption

WEP, WPA2-PSK (AES), WPA/WPA2-PSK (TKIP/AES).
3.4 VPN Function
3.4.1 VPN Client
VPN tunneling involves establishing and maintaining a logical network connection (that may
contain intermediate hops). On this connection, packets constructed in a specific VPN
protocol format are first encapsulated within some other base or carrier protocol, then
transmitted between the VPN client and server, and finally decapsulated on the receiving side.
The B311As-853 supports L2TP and PPTP tunneling protocols.
LTE
LTE VPN Client
SGW PGW
MME
Internet
PC
VPN Tunnel
L2TP/ PPTP
VPN Server
3.4.2 VPN Pass-Through
The B311As-853 supports L2TP/PPTP/IPsec VPN pass-through for the LAN side device. The
LAN side device can create a VPN tunnel to the VPN server.
LTE
CPE
SGW PGW
MME
Internet
VPN Client
VPN Tunnel
L2TP
VPN Server
PPTP
IPsec
3.5 IP Pass-Through
The LTE CPE obtains the WAN IP address and passes it through to the PC (Case 1) or Router
(Case 2), and then the PC (Case 1) or Router (Case 2) can directly use the WAP IP address.