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Cisco Bug: CSCvh81388 - Install all should not allow kickstart and system images of different versions - SSH fails

Last Modified

Aug 13, 2019

Products (1)

  • Cisco MDS 9000 Series Multilayer Switches

Known Affected Releases

8.1(1) 8.2(1) 8.3(1)

Description (partial)

Symptom:
Install all allows firmware upgrade with a kickstart image that does not match the system image.

Example of show version after upgrade:
Software
  BIOS:      version 2.1.17
  loader:    version N/A
  kickstart: version 8.1(1)
  system:    version 8.2(1)
  BIOS compile time:       01/08/14
  kickstart image file is: bootflash:///m9100-s5ek9-kickstart-mz.8.1.1.bin
  kickstart compile time:  4/30/2017 23:00:00 [05/02/2017 15:56:58]
  system image file is:    bootflash:///m9100-s5ek9-mz.8.2.1.bin
  system compile time:     8/30/2017 23:00:00 [09/27/2017 14:56:32]

After upgrade, SSH no longer works.  Telnet will work if enabled.

Conditions:
Firmware upgrade from NX-OS 8.1(x) to 8.2(x).

Connection to the switch via SSH no longer works.
Telnet can local console will work.
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