User Documentation
Version 1.2 / August 2020 Page 31 / 102
Dialmode
Disabled: Do not use 4G modem.
Manual: Dialing can be triggered manually from 4G status
page.
Permanent: The 4G link will be established automatically on sys-
tem boot.
Fallback: The 4G link will go online if the monitoring on the given
interface “Fallback for interface” fails. The system will
actively monitor the given IP addresses on the given
interface. After a failure of at least 30 seconds the 4G
link will be established.
PIN
The Pin of your SIM-Card.
Provider APN
Access point name (APN) of your provider for packet based ser-
vices.
Username
Username needed to authenticate at the APN (Access Point
Name).
Password
Password needed to authenticate at the APN (Access Point Name).
Fallback for interface
Selection of the interface (LAN/WAN) for which the 4G interface
shall be used as fallback.
Fallback for IP ad-
dress
Enter IP address which shall be monitored by ICMP pings over the
selected interface for fallback. Monitoring interval: 3 ICMP ping re-
quests each 10 seconds.
DNS via 4G
DNS server settings will be obtained from 4G provider.
NAT (Masquerading)
Enable network address translation (NAT) on this interface. Any
outgoing traffic, it’s source address will be replaced with the IP ad-
dress of this interface. NAT is always activated for 4G modem.
Gateway via 4G
If activated as soon as mobile connection is active (Online) it will be
used as the Router’s default gateway.
Default gateway
Assign the IP address of the Routers default gateway.
If IP assignment (LAN / WAN or optional 4G interface) is set to
DHCP and if one of the checkboxes “Gateway via DHCP” or “Gate-
way via 4G” is enabled then the default gateway IP address will be
set automatically and cannot be edited manually.










