Cisco 9300 won't recognize sfps after reboot

[kevinfowler]

So I installed a 48 port cisco 9300 and all the sfps that we inserted into the slots were recognized.    I had to reboot the switch and now ports 33-48 don't recognize any SFPs we place in the slots.  Any suggestions?

[kevinfowler]

Yes it's after the upgrade.   I tried 17.3.6 and 17.3.5.   All the logs say it's been putt into err-disable.   

[kevinfowler]

No the issues got worse after the upgrade to 17.3.6 or 17.3.5 and this is on a different switch that isn't in production so I can test this a little.  

[marce1000]

                 >.... and now I eithewr get the SFP's not recognized or the ports err-disable. 
  - If  the ports err-disable then check the logs (too) , you may find additional info's as to why , 

 M.

[kevinfowler]

The logs aren't telling me anything...just that it's putting the port in err-disable.  

[marce1000]

 - Configure logging trap debugging , also compare rommon version with working switch , 

 M.

[kevinfowler]

I will try that this morning and get back to you.  

[kevinfowler]

I enabled logging trap debugging and removed the SFP's and plugged them in and I have nothing coming back from the debug.  I did enable the command no errdisable detect cause gbic-invalid and service unsupported-transceiver so there aren't any ports going into errdisable mode.  

[Leo Laohoo]

If the ports are in error-disable, post the complete output to the command "sh interface status err".

[kevinfowler]

I will get you that this morning.   Some of the ports are now going right into err-disable on this other switch while some ports still aren't recognized.  

[MHM Cisco World]

Cisco Bug: CSCvt73622 - 9200L : Port goes to ERR_DISABLE state with link-flap error after bootup/reload/switchover
I know the platform different but can you confirm the cable length you use with SFP 

[kevinfowler]

Yes the platform is different but these ports are going err-disable with just the SFP plugged in and not even the cable.  I'm at a loss right now.

[kevinfowler]

Ok so I'm about to give up.   I removed the power supplies as one person said in another forum. Rebooted the switch and it saw the SFP.   I then reloaded the switch again and the SFP was gone.   So I then updated from 16.12.8 to Amsterdam 17.3.6.   I took all the SFP's out.   I loaded the switch, put all the SFP's in and it saw them all.   So I rebooted the switch and now they are all gone.   How is this possible?   How can I update a switch or lose power to it without causing a huge outage?  

[kevinfowler]

I also want to make sure that you know these are ethernet SFp's not fiber SFP's.   Again I was able to remove SFP's, reboot switch, put them back in and the switch didn't see them.   When I put another SFP in an unused slot I get an error that say's it's not supported.  

[kevinfowler]

So now I put a CISCO fiber SFP in the port....it saw it.   I rebooted the switch and now it's gone!   I'm on 17.3.6.   

[Leo Laohoo]

Hold on.  Wait ... Roll back. 

How, exactly, did you reboot the switch?  Did you issue the "reload" command or did you remove the power supplies for 30 seconds?