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Connectivity Between Blades and Fabric Extenders

Cisco UCS Fabric Extenders bring the unified fabric into the blade server enclosure, providing multiple 10

Gigabit Ethernet connections between blade servers and the fabric interconnect, simplifying diagnostics,

cabling, and management.

The Fabric Extenders extend the I/O fabric between the Cisco UCS 6100 and 6200 Series Fabric

Interconnects and the Cisco UCS 5108 Blade Server Chassis, enabling a lossless and deterministic Fibre

Channel over Ethernet (FCoE) fabric to connect all blades and chassis together. Since the fabric extender is

similar to a distributed line card, it does not perform any switching and is managed as an extension of the

fabric interconnects. This approach removes switching from the chassis, reducing overall infrastructure

complexity and enabling Cisco UCS to scale to many chassis without multiplying the number of switches

needed, reducing TCO and allowing all chassis to be managed as a single, highly available management

domain.

The Fabric Extenders also manage the chassis environment (the power supply and fans as well as the

blades) in conjunction with the fabric interconnect. Therefore, separate chassis management modules are

not required.

The Fabric Extenders fit into the back of the Cisco UCS 5108 chassis. Each Cisco UCS 5108 chassis can

support up to two fabric extenders, allowing increased capacity and redundancy.

Connectivity between each unique blade and the Fabric Extenders varies according to the type of blade, its

available adapter card slots, and the type of card plugged into each slot. See the individual blade server

spec sheets for detailed connectivity information and connectivity diagrams at this link:

http://www.cisco.com/en/US/products/ps10280/products_data_sheets_list.html

The following sections show generally how the various blade connect to the Fabric Extenders.

Cisco UCS 5108 Blade Server Chassis

SUPPLEMENTAL MATERIAL