Viola Systems Arctic - Page 31

User's Manual
Arctic GPRS Gateway
Firmware Version 5.0.7 31 Document Version 1.6
Figure 20. L2TP-VPN Settings
Use L2TP-VPN? – When set to "Yes", Arctic established L2TP VPN
connection with primary Viola M2M Gateway.
Primary server
Primary interface – Interface used to reach the Viola M2M Gateway server.
Primary server IP – IP address of Viola M2M Gateway L2TP server.
Primary server port – L2TP VPN server port (UDP, default 1701).
Primary server gateway – If other gateway than default route is needed to
reach the Viola M2M Gateway
Max duration (0=unlimited) – Maximum duration of the VPN connection. On
primary server, should be set to zero.
Hello interval (secs) – Hello interval for connection keepalive (default 20
seconds).
MTU – MTU for L2TP interface
L2TP username – (usually hostname) - Username for authentication.
L2TP password – L2TP password for authentication.
Backup server
If the primary server cannot be reached, the L2TP VPN connection is
established with backup server.
Routing mode
It is used if routing is needed with L2TP interface. Configuration parameters
are same as in SSH-VPN.