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Cisco WS-C4900M Manual Page 12

Scalable, intelligent lan switching for campus, branch, and data center networks of all sizes.
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Table of Contents
Series Overview
Fabric Extender
Cisco Nexus 2000 Series
The Cisco Nexus
2000 Series Fabric Extenders (FEX) behave as remote line cards
for a parent Cisco Nexus 5000 Series or 7000 Series switch, simplifying data center
access operations and architecture by combining the management simplicity of
end-of-row platforms with the flexible physical layout of top-of-rack platforms.
• Up to 48 100/1000 BASE-T ports plus 4 10 GE uplinks, 32 1/10 GE/FCoE with 8 10
GE uplinks and 32 1/10GBASE-T with 8 10 GE uplinks configurations
• Up to 24 Fabric Extenders per Cisco Nexus 5000 parent switch (Homogeneous
policies across 1152 1G ports and 768 10G/FCoE ports)
• Up to 32 Fabric Extenders per Cisco Nexus 7000 parent switch (Homogeneous
policies across 1536 1G ports and 1024 10G ports)
• Rich Layer 2-4 switching features and intelligent services inherited from
parent switch
• Ideal to support today' s traditional Gigabit Ethernet while allowing transparent
migration to 10 Gigabit Ethernet, virtual machine-aware, unified fabric technologies
• Operational simplicity at scale for datacenter point of delivery (POD) access
level design
• Front-to-back cooling compatible with data center hot-aisle and cold-aisle design,
forward and reversed airflow options, AC/DC power supply options


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