The traffic matching this rule will be routed through the healthy WAN connection that is selected in the
field Connection and has the lowest latency. Latency checking packets are issued periodically to a nearby
router of each WAN connection to determine its latency value. The latency of a WAN is the packet round
trip time of the WAN connection. Additional network usage may be incurred as a result.
The round trip time of a “6M down / 640k up” link can be higher than that of a “2M down / 2M up” link. It is because
the overall round trip time is lengthened by its lower upstream bandwidth despite of its higher downlink speed.
Therefore this algorithm is good for two scenarios:
- All WAN connections are symmetric; or
- A latency sensitive application requires to be routed through the lowest latency WAN regardless the
WAN’s available bandwidth.
12.2.8 Expert Mode
Expert Mode is also available for advance users. Click the help test balloon and click the link turn on
Expert Mode to switch on the feature.
Under Expert Mode, a special rule - "SpeedFusion
TM
Routes" is displayed on the Custom Rules table. It
represents all SpeedFusion
TM
routes learned from remote VPN peers. By default, this bar is on the top of
all custom rules. That means traffic for remote VPN subnets will be routed to its corresponding VPN
peer. You can create custom Priority or Enforced rules and move them above the bar to override the
SpeedFusion
TM
Routes.
Upon disabling the Expert Mode, all rules above the bar will be deleted.
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