5.7 Link Backup 52 
5.7.1 SLA 52 
5.7.2 Track 52 
5.7.3 VRRP 54 
5.7.4 Interface Backup 56 
5.8 Wizards 59 
5.8.1 New Cellular 59 
5.8.2 New IPsec Tunnel 59 
5.8.3 IPsec Experts' Configuration 60 
5.8.4 New L2TPv2 Tunnel 60 
5.8.5 New Port Mapping 61 
6 APP Management 63 
6.1.1 APP Status 63 
6.1.2 APP Management 63 
6.2.1 APP Docker function 65 
7 Connecting the Gateway to a Cloud Platform 68 
8 Industrial Ports (Serial Ports) 69 
8.1 DTU 69 
8.2 IO Ports 72 
9 System Management 75 
9.1 System 75