To ensure asmooth replacementof a Cisco UCS C-Series Rack-Mount Server, two critical actions are:
Back up the server configuration using the Cisco Integrated Management Controller (CIMC): This preserves all configuration data such as BIOS settings, RAID setup, and network configuration. After replacing the hardware, this configuration can be restored to minimize setup time.
Decommission the server if it is integrated in a Cisco UCS domain: Before physically replacing the server, decommissioning it ensures the UCS Manager properly releases it from the inventory, preventing configuration conflicts or orphaned profiles.
Other options, like reconfiguring DHCP or disabling firewalls, are not required procedures for a UCS C-Series hardware swap.
[Reference:Supporting Cisco Devices for Field Technicians (FLDTEC) – Maintenance and RMA Procedures, ]
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