32 10 Gigabit Ethernet and Fibre Channel over Ethernet (FCoE) server access ports using SFP+ SR and LR optical or CX1 direct-attach copper interconnects – 8 10 Gigabit Ethernet and FCoE uplink ports using SFP+ SR and LR optical or CX1 direct-attach copper interconnects – Low-latency, cut-through switching, ideal for 10 Gigabit Ethernet server and pass-through blade server connectivity – Unified fabric environments – IEEE Data Center Bridging (DCB) – Host PortChannel and vPC (up to 8 PortChannel members per PortChannel, with no restriction on the number of PortChannels) – ISSU – Highly scalable virtual modular system with up to 384 10 Gigabit Ethernet and FCoE ports – Compact 1RU form factor – Front-to-back cooling compatible with data center hot-aisle and cold-aisle designs, with all switch ports at the rear of the unit in close proximity to server ports – Hardware capable of back-to-front cooling (requires new power supply and fan tray) – Dual-redundant power supplies included in default configuration – Hot-swappable fan trays – All user-serviceable components accessible from the front panel – Hardware capable of Gigabit Ethernet on all ports (requires new software) – Operates as a remote I/O module, extending the switch fabric for Cisco Nexus 5010 and 5020 Switches – Can be mixed and matched with different types of Cisco Nexus 2000 Series Fabric Extenders to the same parent switch to support various types of connectivity – Zero-touch provisioning, including configuration and upgrade