Cisco C-series Nexus 5020 데이터시트 - 페이지 7

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Rack-Level 10 Gigabit Ethernet Access-Layer Switch

The Cisco Nexus 5000 Series is designed with the density, performance, front-to-back cooling, and rear port

configuration that make it ideal for aggregating a large number of 10 Gigabit Ethernet links from servers into a

smaller number of uplinks to aggregation-layer switches. The switch port density allows each switch to support a

single rack or neighboring racks using the SFP+ direct-attach 10 Gigabit copper cabling option. The Cisco Nexus

5000 Series Switches can be purchased with only the Ethernet capabilities enabled, allowing IT departments to

deploy them in parallel with existing Fibre Channel SANs. Figure 6 shows an active-active pair of Cisco Nexus 5000

Series Switches cross-connected to redundant Ethernet NICs in servers. Instead of using multiple Gigabit Ethernet

connections to servers for LAN, virtual machine mobility applications, and Small Computer System Interface over IP

(iSCSI) SAN support, customers can combine their traffic over a consolidated, lossless, low-latency 10 Gigabit

Ethernet fabric.

Figure 6.

Consolidated Gigabit Ethernet Top-of-Rack Access-Layer System

One deployment scenario involves equipping each data center rack with two Cisco Nexus 2148T Gigabit Ethernet

Fabric Extenders connected to two upstream Cisco Nexus 5000 Series Switches (Figure 7). Up to 48 servers can

connect to each fabric extender. Assuming that these servers are dual-homed, a pair of Cisco Nexus 5020 Switches

can connect up to 576 servers (12 fabric extenders).

The Cisco Nexus 5000 Series Can Be Deployed as a Top-of-Rack, Access-Layer Switch in Parallel with Existing Fibre

Channel SANs

Data Sheet

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