Troubleshooting Tip: ISL timing-out message 'Forti...

yabhishek · 10-31-2024

Description This article describes how to form FortiLink trunks automatically and to avoid flapping of trunks. Scope FortiSwitches managed by FortiLink. Solution The FortiLink ISL/ICL link between two switches creates trunks on each switch automatica...

yabhishek · 10-29-2024

Description This article describes how to avoid misconfiguration of VLANs on trunk interfaces via GUI. Scope FortiSwitch in Standalone mode. Solution In some scenarios, switches have multiple trunk interfaces. Let's say for example PO1 and PO6, and b...

yabhishek · 09-30-2024

Description This article describes the default configuration on the standalone FortiSwitch to prevent VLAN config lost on trunk interfaces. Scope FortiSwitch in Standalone mode. Solution When FortiSwitch is configured as standalone mode, then the def...

yabhishek · 09-26-2024

Description This article describes how to troubleshoot STP issues in FortiLink over P2P topologies. Scope FortiSwitches managed by FortiGate via FortiLink. Solution In some scenarios of FortiLink over P2P, there is a service provider environment betw...

yabhishek · 08-30-2024

Description This article describes how to resolve the issue where the user receives 'FortiLink: ISL timing-out for trunk(8EPTXXXX716-0)' on FortiSwitch. Scope FortiSwitch. Solution From a CLI session in the FortiSwitch, enter: execute log filter star...

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Technical Tip: The correct approach to automatically create the FortiLink trunk with the correct member ports

Technical Tip: Setting the trunk interface to prevent Vlan misconfiguration via GUI

Technical Tip: Standalone FortiSwitch default configuration to avoid loosing VLAN configs

Troubleshooting Tip: STP packet flow over FortiLink over P2P

Troubleshooting Tip: ISL timing-out message 'FortiLink: ISL timing-out for trunk(8EPTXXXX716-0)' on ISL trunk

Troubleshooting Tip: ISL timing-out message 'Forti...

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