100
01-28006-0010-20041105
Fortinet Inc.
HA
System config
To add a new unit to a functioning cluster
1
Configure the new FortiGate unit for HA operation with the same HA configuration as
the other units in the cluster.
2
If the cluster is running in Transparent mode, change the operating mode of the new
FortiGate unit to Transparent mode.
3
Connect the new FortiGate unit to the cluster.
4
Power on the new FortiGate unit.
When the unit starts it negotiates to join the cluster. After it joins the cluster, the cluster
synchronizes the new unit configuration with the configuration of the primary unit.
To configure weighted-round-robin weights
By default, in active-active HA mode the weighted round-robin schedule assigns the
same weight to each FortiGate unit in the cluster. If you configure a cluster to use the
weighted round-robin schedule, from the CLI you can use
config system ha
weight
to configure a weight value for each cluster unit. The weight value sets the
maximum number of connections that are sent to a cluster unit before a connection
can be sent to the next cluster unit. You can set weight values to control the number of
connections processed by each cluster unit. For example, you might want to reduce
the number of connections processed by the primary cluster unit by increasing the
weight assigned to the subordinate cluster units.
Weight values are entered as two values; the priority order of the unit in the cluster (in
the range 0 to 31) followed by its weight (also in the range 0 to 31). For example, if
you have a cluster of three FortiGate units, you can enter the following command to
configure the weight values for each unit:
config system ha
set ha weight 0 1 1 3 2 3
end
This command has the following results:
• The first connection is processed by the primary unit (priority 0, weight 1)
• The next three connections are processed by the first subordinate unit (priority 1,
weight 3)
• The next three connections are processed by the second subordinate unit (priority
2, weight 3)
The subordinate units process more connections than the primary unit, and both
subordinate units, on average, process the same number of connections.
Managing an HA cluster
The configurations of all of the FortiGate units in the cluster are synchronized so that
the FortiGate units can function as a cluster. Because of this synchronization, you
manage the HA cluster instead of managing the individual FortiGate units in the
cluster. You manage the cluster by connecting to the web-based manager using any
cluster interface configured for HTTPS administrative access. You can also manage
the cluster by connecting to the CLI using any cluster interface configured for SSH
administrative access.
Summary of Contents for FortiGate 3000
Page 18: ...Contents 18 01 28006 0010 20041105 Fortinet Inc ...
Page 52: ...52 01 28006 0010 20041105 Fortinet Inc Changing the FortiGate firmware System status ...
Page 78: ...78 01 28006 0010 20041105 Fortinet Inc FortiGate IPv6 support System network ...
Page 86: ...86 01 28006 0010 20041105 Fortinet Inc Dynamic IP System DHCP ...
Page 116: ...116 01 28006 0010 20041105 Fortinet Inc FortiManager System config ...
Page 122: ...122 01 28006 0010 20041105 Fortinet Inc Access profiles System administration ...
Page 252: ...252 01 28006 0010 20041105 Fortinet Inc CLI configuration Users and authentication ...
Page 390: ...390 01 28006 0010 20041105 Fortinet Inc Glossary ...
Page 398: ...398 01 28006 0010 20041105 Fortinet Inc Index ...