Cisco Bug: CSCvh81388 - Install all should not allow kickstart and system images of different versions - SSH fails
Aug 13, 2019
- Cisco MDS 9000 Series Multilayer Switches
Known Affected Releases
8.1(1) 8.2(1) 8.3(1)
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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