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1MRS757105 B
5.4.7
RER601/603
Technical Manual
The optional routing parameters Routing mode, Remote network and Remote
network mask are the same as in SSH-VPN and L2TP.
Monitor
The monitor settings are used for checking the GPRS and VPN connections. If the
connection to the selected IP address is lost, the connection is restarted. The
monitor uses ICMP echo (ping) packets to check the connection. The monitor also
keeps the connection alive, so that idle time-out does not end the connection.
GUID-CD92F5B2-5D42-423E-BC73-9F932780E1D2 V1 EN
Figure 21:
Monitor settings
ICMP Echo sending is used to enable the monitor. The monitor must always be
enabled for the correct IP. When VPN is used, the remote VPN peer IP address (or
other IP address reached only via VPN) must be used for checking the connection.
Interval (sec) determines how often the connection is checked by sending ICMP
echo packets. The interval should be smaller than the GPRS idle time-out (typically
maximum 2/3 of GPRS idle time-out) for uninterrupted communication.
Reply timeout (secs) determines the waiting time for reply packets.
Retries determines the number of retries before the connection is restarted.
Target IP address determines the host IP address to which the ICMP echo packets
are sent.
Secondary target IP address determines the secondary host IP address to which
ICMP echo packets are sent if sending to the primary target host IP address fails.
Section 5
RER601/603 Configurator
33
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