User`s manual

User’s Manual
Arctic GPRS Router 25 Viola Systems Ltd.
L2TP-VPN
Arctic has a L2TP client that can be used with L2TP server.
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