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Description This article explains 'Heartbeat packet lost' errors in HA log messages and offers ways to identify the root cause and fix it. Scope FortiGate running in HA mode (FGCP HA Active-Passive or Active-Active). Solution When a FortiGate is runn...
Description This article describes why the route cache is removed from FortiGates running the latest kernel version. A workaround is provided. Scope FortiGates running on Kernel Version 4.19 and above. Solution Route cache is a linux kernel component...
Description This article provides configuration and verification steps to optimize an NP7-based FortiGate. Scope FortiGate with Network Processor 7. Solution While deploying FortiGate which uses NP7, it is important to verify that the default queues ...
Description This article provides configuration and verification steps to maintain an FGSP high availability cluster of SecureGateways. Scope FortiOS version: 7.2.3 GA. Solution Important Notes: - In the diagram, FGT A and FGT B are geographically lo...
Description This article explains how FortiGate responds to various PIM Dense mode and IGMP messages in a multicast network. This article assumes that the PIM and IGMP configuration are already in place: - IGMP is configured on LHR (Last Hop Router) ...