HUAWEI B311-221 LTE CPE
Product Description
Issue02 (2019-08-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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3.3 SMS
The B311-221 supports message writing/sending/receiving and group sending (up to 50
-contacts at a time).
3.4 Security Service
The B311-221 supports comprehensive and robust security services. It provides a firewall
function and PIN protection mechanisms. These features allow users to connect their
computers to the Internet and simultaneously protect their computers against security threats
from the Internet.
3.4.1 Firewall Service
The B311-221 supports the enabling or disabling of a firewall on the network connection,
which protects the device and network from attacks by hackers on the Internet and controls
access to the Internet.
3.4.2 MAC Filtering
The B311-221 supports configuration of the Media Access Control (MAC) address to restrict
network access.
3.4.3 Wi-Fi Authentication
The gateway supports the following user authentication protocols for WLAN:
No encryption
WEP, WPA2-PSK (AES), WPA/WPA2-PSK (TKIP/AES).
3.5 VPN Function
3.5.1 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 B311-221 supports L2TP and PPTP tunneling protocols.
LTE
LTE VPN Client
SGW
PGW
MME
Internet
PC
VPN Tunnel
L2TP/ PPTP
VPN Server
