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FortiProxy provides enterprise-class protection against internet-borne threats and Advanced Web Content Caching

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sachitdas_FTNT Staff rank Staff
Created on Sep 3, 2024 1:31:59 PM
Edited on Sep 9, 2024 6:08:54 AM
Troubleshooting Tip: FortiSwitch Port Flaps Troubleshooting
Description This article provides steps to diagnose the Continuous port flapping on a FortiSwitch. ScopeFortiSwitch v7.x and above.Solution Verify Cable Connection: Ensure the cable is properly connected between the swit...
down flap FortiSwitch port switchport up Windows 11
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sachitdas_FTNT Staff rank Staff
Created on Aug 12, 2024 5:50:32 PM
Edited on Aug 14, 2024 3:52:24 PM
Troubleshooting Tip: Identify STP flaps in a managed FortiSwitch network
Description This article describes how to identify STP flaps in the network. Scope FortiGate version 7.x and above. Managed FortiSwitches of version 7.x and above. Solution Check the logs below to identify STP flaps in t...
flap FortiSwitch Managed FortiSW Managed FortiSwitches stp stp instance
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sachitdas_FTNT Staff rank Staff
Created on Jun 1, 2023 2:12:31 PM
Edited on Feb 24, 2025 9:33:32 AM
Troubleshooting Tip: Failed DIAG-CONTROL check sequence
DescriptionThis article describes how to fix an error seen on FortiSwitch logs: 'failed DIAG-CONTROL Check Sequence'.ScopeFortiSwitch version 6.4.x and above.Solution If the SFP ports repeatedly go 'Up' and 'Down' due to...
DIAG-CONTROL Check Sequence flap FortiSwitch Module port SFP SFP+ troubleshooting Transceiver
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