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The CL91-RS-FEC mode is rejected for 25G ports on certain platforms and F1186 is raised: # fault.Record (briefed) affected : sys/phys-[eth1/2] cause : config-failure changeSet : ethpmCfgFailedBmp (New: l1:PhysIffecMode_failed_flag,l1:PhysIfspeed_failed_flag), ethpmCfgState (New: 2) code : F1186 descr : Port configuration failure. Reason: 2 Failed Config: l1:PhysIffecMode_failed_flag,l1:PhysIfspeed_failed_flag dn : subj-[sys/phys-[eth1/2]]/fr-11188389806487 domain : infra subject : failure-to-deploy type : config rule : l1-phys-if-ethpm-cfg-ctrl severity : warning subject : failure-to-deploy type : config
- CL91-RS-FEC mode is applied via Link Level policy to a 25G interface - One of the following platforms is used: -- N9K-C93360YC-FX2 -- N9K-C93240YC-FX2
Use different FEC mode: CL74-RS-FEC / IEEE-RS-FEC / CONS16-RS-FEC
This doesn't pertain to the EX-based platforms as they don't support CL91-RS-FEC mode due to an ASIC limitation (N9K-C93180YC-EX etc.).
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