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User Manual
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CBA850
LOAD BALANCE
To enable Load Balancing, select the check box for each desired
device. If this is enabled, the router will use multiple WAN
interfaces to increase the data transfer throughput by using any
connected WAN interface consecutively. Selecting Load Balance
will automatically start the WAN interface and add it to the pool
of WAN interfaces to use for data transfer. Turning off Load
Balance for an active WAN interface may require the user to
restart any current browsing session.
From WAN Management, select the Load Balance Algorithm from
the following dropdown options:
Round-Robin: Evenly distribute each session to the available WAN connections.
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Rate: Distribute load based on the current upload and download rates. A WAN device's upload and download
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bandwidth values can be set in Internet > Connection Manager.
Spillover: This was the default algorithm in older (version 3) firmware. Load is always given to devices with the
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most available bandwidth. The estimated bandwidth rate is based on a combination of the upload and download
configuration values and the observed capabilities of the device.
Data Usage: This mode works in concert with the Data Usage feature (Internet > Data Usage).
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The router will make a best effort to keep data usage between interfaces at a similar percentage of the assigned data
cap in the data usage rule for each interface, rather than distributing sessions based solely on bandwidth. For proper
functioning you need to create data usage rules for each WAN device you will be load balancing. Make certain to select
the "Use with Load Balancing" checkbox in the data usage rule editor.
ON DEMAND
Typically, modem connections are not always on.
When the On Demand mode is selected a connection
to the Internet is made as needed. When On
Demand is not selected a connection to the Internet
is always maintained.
WAN VERIFY
If this is enabled, the router will check that the highest priority active WAN interface can get to the Internet even if
the WAN connection is not actively being used. If the interface goes down, the router will switch to the next highest
priority interface available. If this is not selected, the router will still failover to the next highest priority interface but
only after the user has attempted to get out to the Internet and failed.
Idle Check Interval: The amount of time between each check. (Default: 30 seconds. Range: 10-3600 seconds.)
Monitor while connected: (Default: Off) Select from the following dropdown options:
Passive DNS (modem only): The router will take no action until data is detected that is destined for the WAN.
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8/25/16
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