Changes to the FGSP content, see FortiGate-6000 FGSP and the following pages.

Corrected the description of the priority option in config load-balance flow-rule.

Changes to the following sections to correctly describe creating a LAG consisting of the HA1 and HA2 interfaces to improve FGSP session synchronization performance:

• FortiGate-6000 FGSP.

• Creating an HA1/HA2 LAG for FGSP session synchronization.

Misc. changes throughout the document.

Minor fixes throughout the document.

Both FortiGate-6501Fs or FortiGate-6301Fs in an FGCP cluster must have the same number of active hard disks and the same RAID configuration. For more information, see Before you begin configuring HA and Basic FortiGate-6000 HA configuration.

New section: VLAN ID 1 is reserved.

Added information about support for load balancing sessions with the never option for session-ttl and about load balancing sessions without syn packets to FortiOS features that are not supported by FortiGate-6000 v6.4.2.

Added a note about requiring the Security Fabric to be enabled for normal operation to Confirming startup status.

Some fixes to GUI descriptions.

Added notes about changing the VDOM mode and HA, for example Before you begin configuring HA.

Corrections to information about handling fragmented packets, see Load balancing TCP, UDP, and ICMP sessions with fragmented packets.

Added information about FortiGate-6000F hardware generation 1 and generation 2, see FortiGate-6000F hardware generations.

More information about support for the dedicated management interface feature added to FortiOS features that are not supported by FortiGate-6000 v6.4.2.

New section: More ARP queries than expected for one device - potential issue on large WiFi networks.