PePLink Balance Series v4.0 User Manual
Load Distribution Settings
Terminate
Sessions on Link
Recovery
This setting specifies whether to terminate existing IP sessions on a
less preferred WAN connection in the event that a more preferred WAN
connection is recovered from the Down health state. This setting is
applicable to the Algorithms: Weighted, Persistence and Priority.
By default, this is disabled. It means, all existing IP sessions will not
be terminated or affected when any other WAN connection is
recovered. If it is set to enabled, existing IP sessions may be
terminated when another WAN connection is recovered such that only
preferred healthy WAN connection(s) are used at any point in time.
12.2.1 Algorithm: Weighted Balance
This setting specifies the ratio of WAN connection usage to be applied on the specified IP
Protocol & Port, and is applicable only when Algorithm is set to Weighted Balance.
The amount of matching traffic that is distributed to a WAN connection is proportional to the
weight of WAN connection relative to the total weight.
Example: With the following weight settings on a PePLink Balance 300:
WAN1: 10
WAN2: 10
WAN3: 5
Total weight is 25 = (10 + 10 + 5)
Matching traffic distributed to WAN1 is 40% = (10 / 25) x 100%
Matching traffic distributed to WAN2 is 40% = (10 / 25) x 100%
Matching traffic distributed to WAN3 is 20% = (5 / 25) x 100%
12.2.2 Algorithm: Persistence
The configuration of Persistent Services is the solution to the few situations where link load
distribution for Internet services is undesirable.
For example, many e-banking and other secure websites, for security reasons, terminate
the session when the client computer’s Internet IP address changes mid-session.
In general, different Internet IP addresses represent different computers. The security
concern is that an IP address change during a session may be the result of an unauthorized
intrusion attempt. Therefore, to prevent damages from the potential intrusion, the session
is terminated upon the detection of an IP address change.
PePLink Balance can be configured to distribute data traffic across multiple WAN connections.
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