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Recent Unanswered Unsolved Solved

sachitdas_FTNT

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

2340

vpatil

Staff

Created on Jan 5, 2021 6:41:13 PM

Edited on Jun 1, 2023 1:36:06 PM

Troubleshooting Tip: SFP module port flap OR port not coming UP due to Module in ERROR state

DescriptionThis article describes about the probable cause and fixes for FortiSwitch 'Module in ERROR state' error.ScopeFSW version 6.4.x and above- FortiSwitch SFP/SFP+ port may not come up OR the port will keep flappin...

error failed BASE ID Check Sequence FortiSwitch Module SFP SFP+ troubleshooting Transceiver

5653

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