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The Cisco Nexus B22 series Blade Fabric Extenders are designed to simplify data center server access architecture and operations in environments in which third-party blade servers are used. The Cisco Nexus B22 series, together with the Cisco Nexus 2000 series Fabric Extenders, Cisco Adapter Fabric Extender (Adapter- FEX), and Cisco Data Center Virtual Machine Fabric Extender (VM-FEX), is part of the Cisco Fabric Extender (FEX) portfolio, which provides a highly scalable unified server access platform supporting 100 megabit to 10 Gigabit Ethernet over both fiber and copper, rack or blade form factors, and data center bridging protocols. The platform offers the ideal support for the integration of third-party blade chassis into a Cisco Unified Fabric.
The Cisco Nexus B22 series Blade Fabric Extenders behave like remote line cards for a parent Cisco Nexus switch, together forming a distributed modular system. This architecture simplifies data center access operations and architecture by combining the management simplicity of a single high-density access switch with the cabling simplicity of integrated blade switches and top-of-rack (ToR) access switches.