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6 Fortinet Inc.
Managing an HA cluster.................................................................................................... 87
Configuring cluster interface monitoring ....................................................................... 88
Viewing the status of cluster members ......................................................................... 88
Monitoring cluster members.......................................................................................... 89
Viewing cluster sessions............................................................................................... 90
Viewing and managing cluster log messages............................................................... 90
Monitoring cluster units for failover ............................................................................... 91
Viewing cluster communication sessions...................................................................... 91
Managing individual cluster units .................................................................................. 92
Changing cluster unit host names................................................................................. 92
Synchronizing the cluster configuration ........................................................................ 93
Upgrading firmware....................................................................................................... 94
Replacing a FortiGate unit after failover ....................................................................... 95
Advanced HA options ....................................................................................................... 95
Selecting a FortiGate unit as a permanent primary unit................................................ 95
Configuring the priority of each FortiGate unit in the cluster......................................... 96
Configuring weighted-round-robin weights ................................................................... 96
Active-Active cluster packet flow....................................................................................... 97
NAT/Route mode packet flow ....................................................................................... 97
Configuring switches to work with a NAT/Route mode cluster ..................................... 98
Transparent mode packet flow...................................................................................... 99
System status..................................................................................................... 101
Changing the FortiGate host name................................................................................. 102
Changing the FortiGate firmware.................................................................................... 102
Upgrading to a new firmware version ......................................................................... 103
Reverting to a previous firmware version.................................................................... 104
Installing firmware images from a system reboot using the CLI ................................. 107
Testing a new firmware image before installing it ....................................................... 109
Installing and using a backup firmware image............................................................ 111
Manual virus definition updates ...................................................................................... 114
Manual attack definition updates .................................................................................... 115
Displaying the FortiGate serial number........................................................................... 115
Displaying the FortiGate up time..................................................................................... 115
Backing up system settings ............................................................................................ 115
Restoring system settings............................................................................................... 116
Restoring system settings to factory defaults ................................................................. 116
Changing to Transparent mode ...................................................................................... 117
Changing to NAT/Route mode........................................................................................ 117
Restarting the FortiGate unit........................................................................................... 118
Shutting down the FortiGate unit .................................................................................... 118