Technical Tips: FortiGate HA route blackhole due t...

hamidr · 11-13-2025

Description This article describes how a FortiGate HA failover in Google Cloud can delete SDN routes without recreating them if the failover is interrupted, and provides guidance on why it happens and how to prevent it. Scope FortiGate, FortiOS v7.0+...

hamidr · 10-06-2025

Description Fortinet advises all FortiGate SD-WAN customers to remove the Default_AWS health check before October 12, 2025. Scope FortiOS version 7.0, 7.2, 7.4, 7.6 Solution Performance SLAs OverviewPerformance SLAs measure the health of links connec...

hamidr · 08-17-2025

Description This article explains why certain FortiGate settings are not automatically synchronized with FortiManager, even though changes are applied successfully on the FortiGate. Scope FortiManager, FortiGate. Solution When managing FortiGate devi...

hamidr · 08-11-2025

Description This article describes how to troubleshoot Central NAT and traffic flow on FortiGate. It explains the packet processing order, routing considerations, firewall policy matching, and NAT behavior, and provides CLI and GUI troubleshooting me...

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