Technical Tip: IKEv2 retransmission and DPD

GW · 11-08-2024

Description This article describes a behavior change while configuring FortiClient EMS connector from FortiManager. Scope FortiManager 7.0.3+. Solution In the previous version, when the configuration with a FortiClient EMS connector was pushed from F...

GW · 09-20-2024

Description This article describes a troubleshooting use case for the syslog feature. Scope FortiGate vv7.0 onwards. Solution There is a new process 'syslogd' was introduced from v7.0 in the FortiOS. When the syslog feature is enabled, the miglogd pr...

GW · 07-17-2024

Description This article describes why a VDOM cannot be deleted. Scope All FortiOS. Solution When a VDOM is created, there are two references by default. Once switching to the VDOM, a few items under the Dashboard are generated automatically, as show...

GW · 01-19-2024

Description This article describes how the DPD (Dead Peer Detection) function works with IKEv2. Scope FortiGate. Solution FortiOS IKEv2 retransmission mechanism has a 93-second timeout period, equal to 3+6+12+24+48, representing the interval of the i...

GW · 11-23-2023

Description This article describes why the traffic didn't hit the specific SD-WAN rule with ISDB. Scope All FortiOS. Solution There are three attributes that can be configured in the SD-WAN service with ISDB: internet-service-custom. internet-service...

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Technical Tip: Changes made to configuring a FortiClient EMS connector

Technical Tip: Syslog troubleshooting use cases

Technical Tip: Cannot delete a VDOM caused by a hidden config