LTE CPE B2368 User's
Guide Content
Issue 01 Copyright © Huawei Technologies Co., Ltd. 3
8.6.3 How NAT Works .......................................... .................................................. ....................... 73
9 Dynamic DNS ............................................... .................................................. ........................ 75
9.1 Overview ................................................ .................................................. .................................................. .................... 75
9.1.1 What You Need to Know ............................................ .................................................. .................................................. 75
9.2 Dynamic DNS Screen .............................................. .................................................. ...................................... 75
Firewall 10 ................................................ .................................................. ...................................... 76
10.1 Overview ................................................ .................................................. .................................................. .................. 76
10.1.1 What You Need to Know ............................................ .................................................. ................................................ 77
Screen 10.2 General ............................................... .................................................. .................................................. . 77
10.3 Screen Services ............................................... .................................................. .................................................. .. 78
10.3.1 Screen Add a new maintenance item .......................................... .................................................. ................. 79
Screen Access Control 10.4 .............................................. .................................................. .................................... 80
10.4.1 Screen Add New / Edit ACL rule ........................................ .................................................. ........... 82
10.5 Screen DoS ............................................... .................................................. .................................................. ...... 84
10.6 Technical details about firewall ............................................ .................................................. ...................... 84
10.6.1 Tips to strengthen security firewall ........................................ .................................................. ..... 85
10.6.2 Other safety tips ............................................ .................................................. ............................................ 85
11 MAC address filter .............................................. .................................................. ......................... 86
11.1 Overview ................................................ .................................................. .................................................. .................. 86
11.1.1 What You Need to Know ............................................ .................................................. ................................................ 86
11.2 Screen MAC address filter ............................................. .................................................. ....................................... 86
12 Parental ............................................... .................................................. ................... 89
12.1 Overview ................................................ .................................................. .................................................. .................. 89
12.2 Screen Parental .............................................. .................................................. ................................. 89
12.2.1 Add New / Edit PCP .......................................... .................................................. ............................................ 90
13 L2TP VPN ............................................... .................................................. .................................. 93
13.1 Overview ................................................ .................................................. .................................................. .................. 93
13.2 Settings screen ............................................... .................................................. ............................................... 93
13.2.1 Screen Add new tunnel / tunnel Modification ........................................ .................................................. ....... 94
............................................... 13.3 Screen Monitor .................................................. .................................................. 96
4.13 Configuration Example L2TP VPN tunnel layer 3 ........................................ .................................................. ........ 97
5.13 Configuration Example L2TP VPN tunnel Layer 2 ........................................ .................................................. ........ 98
GRE VPN ............................................... 14 .................................................. ................................. 100
14.1 Overview ................................................ .................................................. .................................................. ................ 100
14.2 Settings screen ............................................... .................................................. ............................................. 100
14.2.1 Screen Add new tunnel / tunnel Modification ........................................ .................................................. ..... 101
3.14 Configuration Example GRE VPN tunnel Layer 2 ........................................ .................................................. ....... 103
4.14 Configuration Example GRE VPN tunnel layer 3 ........................................ .................................................. ....... 104
VoIP ................................................ 15 .................................................. ......................................... 106