TheUCS Fabric Interconnectis the central management and communication hub of theCisco UCS (Unified Computing System)environment. It integrates compute, network, and storage access into a unified system.
Fabric Interconnects:
Manage all servers and I/O modules connected to the UCS domain
Provide connectivity and are the point of integration with the Cisco UCSManager
Offer high-availability and centralized policy management
Other options like the Nexus or MDS switches do not serve this unified management function in a UCS deployment.
[Reference:Supporting Cisco Devices for Field Technicians (FLDTEC) –Cisco Equipment and Related Hardware, Explanation:, The UCS Fabric interconnect serves as the central management and communication core in a Cisco UCS environment, providing a single point of management via Cisco UCS Manager for the entire UCS system, including servers, networking, and storage components., , ]
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