Upgrade failure during device reload

Perform these steps if upgrade fails during device reload.

1. Prepare a logged serial port connection to the device.
   

   Note

   This connection might be required by your support provider during the troubleshooting.
2. Verify that the device is reachable by SSH or TELNET.
3. If the device is reachable, enter the show version command.
   

   device# show version
   SLX-OS Operating System Version: 20.1.01
   Copyright (c) 1995-2019 Extreme Networks, Inc.
   Firmware name:      20.1.01
   Build Time:         13:35:38 Jun 24, 2019
   Install Time:       19:32:30 Jun 24, 2019
   Kernel:             4.14.67
   
   Control Processor:   GenuineIntel
   Memory Size:        SLXVM: 8371 MB   System Total: 16070 MB
   
   System Uptime:   0days 21hrs 47mins 30secs 
   Name      Primary/Secondary Versions 
   -------------------------------------
   SLX-OS    20.1.01 
             20.1.01a

4. If show version does not display the new firmware as the primary version, prepare output logs of the following commands, and contact your device support provider.
   • show firmwaredownloadhistory
   • show firmwaredownloadstatus