Cisco Systems UCSEZINFRACHSS manual Cisco UCS 2104XP FEXes, Cisco UCS 2104 IO Module

Overview

Cisco UCS 2104XP FEXes

Cisco UCS 2104XP FEXes

Figure 8: Cisco UCS 2104 IO Module

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1Fabric extender status indicator LED

2Link status indicator LEDs

3Connection ports (to the fabric interconnect)

4Captive screws for the insertion latches

Cisco UCS 2100 Series FEXes bring the unified fabric into the blade server enclosure, providing 10 Gigabit Ethernet connections between blade servers and the fabric interconnect, simplifying diagnostics, cabling, and management.

The Cisco UCS 2104 (N20-I6584) extends the I/O fabric between the fabric interconnects and the Cisco UCS 5100 Series Blade Server Chassis, enabling a lossless and deterministic Fibre Channel over Ethernet (FCoE) fabric to connect all blades and chassis together. Because the FEX is similar to a distributed line card, it does not do 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 the Cisco Unified Computing System 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 Cisco 2100 Series also manages 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.

Cisco UCS 2100 Series FEXes fit into the back of the Cisco UCS 5100 Series chassis. Each Cisco UCS 5100 Series chassis can support up to two FEXes, enabling increased capacity as well as redundancy.

Cisco UCS 5108 Server Chassis Installation Guide

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