Figure 49 – Failover diagram
Seamless Failover – In addition, there is a "Seamless" option for Failover operation mode. When seamless option is
activated by checking on the "Seamless" box in configuration window, both the primary connection and the failover
connection are started up after the system reboots. Only the primary connection executes the data transfer, while the
failover connection just keeps the connection alive. As soon as the primary connection is broken, the system will
switch (failover) the routing path to the failover connection to save the dial up time of the failover connection since it
is kept alive.
When the “Seamless” enable checkbox is activated, it allows the Failover interface to be connected continuously from
system boot up. The failover WAN interface stays connected without data traffic. The purpose is to shorten the switch
time during the failover process. So, when the primary connection is disconnected, the failover interface takes over
the data transfer instantly by only changing the routing path to the failover interface. The time to connect to the
failover connection has been saved since it was already connected.
Figure 50 – Seamless Failover diagram
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