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Beginner

Downgrading from Denali 16.3.1 to 3.6.06 on a 3850 put the switch in Switch: mode

I found that I didn't have the correct boot statement and ended up with:

Switch:

After considerable time and research I brought the switch back.

You need to have a workable USB stick with the Switch Image loaded.

These were my steps. I hope this may help someone in the same situation.

Recover from Switch:  mode

 

  1. flash_init
  2. set BYPASS_STARTUP_CONFIG 1
  3. boot usbflash0:cat3k_caa-universalk9.SPA.03.06.06.E.152-2.E6.bin
  4. copy startup-config running-config
  5. config t
  6. no system ignore startupconfig switch all

exit

  1. wr mem
  2. copy image from usbflash0: to flash:
  3. software expand file flash:cat3k_caa-universalk9.SPA.03.06.06.E.152-2.E6.bin

!!converts from bundle to install mode

show run | incl boot

should be flash:packages.conf

if not, make sure it is located in flash:

conf t

  1. boot system switch all flash:packages.conf

wr mem

 reload

1 REPLY 1
Beginner

Re: Downgrading from Denali 16.3.1 to 3.6.06 on a 3850 put the switch in Switch: mode

Thanks!

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