The execute load-balance update and the execute load-balance load-backup-image commands were removed from the FortiGate 6000F for FortiOS 7.4.0. All references to these commands have been removed from this document. The sections Installing firmware on an individual FPC and Updating FPC firmware to match the management board have been updated to describe how to install firmware on an individual FPC from the FPC BIOS.

Information about the diagnose span-sniffer command that can be used to sniff packets on internal FortiGate 6000F switch and DP processor interfaces added to What's new for FortiGate 6000F 7.4.1 and Packet sniffing integrated switch fabric (ISF) interfaces.

Corrected information about how SLBC platforms do not support FGSP L2 session synchronization links in FortiGate-6000 FGSP.

The command diagnose sys ha set-as-primary has been removed. All information about this command has been removed from this document.

The config vpn ssl settings option tunnel-addr-assigned-method is now available again, see FortiOS features that are not supported by FortiGate-6000 7.4.3.

Added a link to more information about FortiGate 6000F SNAT port allocation to Controlling SNAT port partitioning behavior.

New section, FortiGate 6000F IPsec load balancing EMAC VLAN interface limitation.