HW: C9500-24Y4CSoftware: Cisco IOS XE Software, Version 17.12.05 (Cisco IOS Software [Dublin], Catalyst L3 Switch Software (CAT9K_IOSXE), Version 17.12.5MACSEC: SupportedLicense Usage: network-advantage (C9500 Network Advantage)  TEST-N-C9500-SW1#sh ...

 What’s the root cause of this, if anyone can help? Cisco c9300 failed to boot - occurred the second time when we were doing a software upgrade. Just one switch failed out of 5 from the stack.Following was the boot information: Initializing Hardware....

How can we replace the spine hardware to N9K-C9332D-GX2B in cluster Version 4.2(7u)(Spine current version 14.2(7u)) since N9K-C9332D-GX2B ONLY supported from release 15.2.3 to release 16.1.1. Also we can not upgrade cluster to 5.X due current spine H...

In past, we never renew manually. Is it automatically renew it self. Do we need to regenerate the key-ring?