When Recommended (default) is selected, a health check packet is sent every five seconds,
and the expected detection time is 15 seconds.
When Fast is selected, a health check packet is sent every three seconds, and the expected
detection time is six seconds.
When Faster is selected, a health check packet is sent every second, and the expected
detection time is two seconds.
When Extreme is selected, a health check packet is sent every 0.1 second, and the expected
detection time is less than one second.
GRE Tunnel
Generic Routing Encapsulation (GRE) is a tunneling protocol that can encapsulate a wide variety of
network layer protocols inside virtual point-to-point links over an Internet Protocol network. A
GRE tunnel is similar to IPSec or SpeedFusion VPN.
To configure a GRE Tunnel, navigate to
Advanced > GRE Tunnel
.
Click the
New Profile
button to create new GRE tunnel profiles that establish tunnel connections
to remote tunnel endpoints via available WAN connections. To edit the profiles, click on its
associated connection name in the leftmost column.
GRE Tunnel Profile