https://www.cisco.com/c/en/us/support/docs/wireless/policy-suite-mobile/213707-replace-nexus-9236c-spine-switch-cps.html
Replace Nexus 9236C Spine Switch - CPS - Cisco
This document describes the steps that are required in order to replace a faulty Spine Switch (Nexus 9236C) in an Ultra-M setup that hosts CPS.
spine switchreplacenexuscpscisco
https://www.ibm.com/docs/en/fusion-hci-systems/2.10.0?topic=codes-bmynw0117
BMYNW0117 Spine switch is not reachable
Spine switch is not reachable.
spine switchis notreachable