System Configurations
Backup Line Settings
Backup Line Settings
In the deployment of multiple links, a link might serve as backup line which is inactive unless it matches the enabling
criteria. The choice of backup lines mostly depends on cost, especially in areas where charges are based on data
traffic. Backup lines in standby do not cost a cent, thus only basic fees are charged. Contrary to backup lines, main
lines are lines commonly in use. The concept is to be used below.
FortiWAN provides log mechanism to the Backup Line service, see "
".
Threshold Parameters
Backup Line Enable Time
:
The interval to enable backup lines after main lines have broken down.
Backup Line Disable Time
:
The interval to disable backup line after main lines have returned to normal.
Backup Line Rules table
Field Purpose / Description
Main Line
:
Select main lines, which can be multiple links.
Backup Line
:
Select backup lines.
Algorithm
:
5 options to activate backup lines:
l
All fail: when all lines defined in [Main line] are down
l
One fails: when one of the lines defined in [Main line] is down
l
Inbound bandwidth usage reached: when the inbound bandwidth
consumption of all lines defined in [Main Line] reaches the defined level
l
Outbound bandwidth usage reached: when the outbound bandwidth
consumption of all lines defined in [Main Line] reaches the defined level
l
Total traffic reached: when the total bandwidth consumption of all lines
defined in [Main Line] reaches the defined level
Parameter
:
When the latter 3 options are chosen in [Algorithm], you can define here the band-
width usage of the main lines over which backup lines are to be enabled.
IP Grouping
[IP Grouping] lets you create and manage IP groups exclusively and efficiently. These predefined IP groups are
available and easy to use in the drop-down list of the fields of [Source] and [Destination] on such [Service] submenus
as [Firewall], [NAT], [Persistent Routing], [Auto Routing], [Inbound BM], [Outbound BM], [Connection Limit], and
[Cache Redirect]. This section walks you through the steps to create an IP group.
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FortiWAN Handbook
Fortinet Technologies Inc.
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