For HA deployments, run diagnose sys ha checksum cluster to confirm both appliances match configuration checksums.
Unlike generic operating systems, FortiOS is designed specifically for hardware acceleration. fortigate firmware
Fortinet uses a systematic naming and tagging convention for its software, which is critical for system administrators to understand before deploying packages to production. For HA deployments, run diagnose sys ha checksum
FortiGate firewalls operating in an Active-Passive or Active-Active HA cluster utilize a rolling upgrade mechanism to minimize network downtime. For HA deployments
No further software updates, security patches, or technical support are provided. Running EOL firmware exposes networks to unpatched vulnerabilities and compliance violations. 3. Developing a Bulletproof Firmware Upgrade Strategy