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Cisco N2XX-ACPCI01 UCS P81E 2x10GB SFP+ PCIe 68-3544-04 73-12522-04 Virtual
***THIS ITEM IS USED, EXCELLENT CONDITION
INCLUDES: CARD ONLY (AS SHOWN), NOTHING ELSE INCLUDED
Cisco N2XX-ACPCI01 UCS P81E Virtual Interface Card
is a virtualization-optimized Fibre Channel over Ethernet (FCoE) PCI Express (PCIe)
2.0 x8 10-Gbps adapter designed for use with Cisco UCS C-Series Rack-Mount
Servers. The virtual interface card is a dual-port 10 Gigabit Ethernet PCIe
adapter that can support up to 128 PCIe standards-compliant virtual interfaces,
which can be dynamically configured so that both their interface type (network
interface card [NIC] or host bus adapter [HBA]) and identity (MAC address and
worldwide name [WWN]) are established using just-in-time provisioning. In
addition, the Cisco UCS P81E can support network interface virtualization and
Cisco VM-FEX technology.
Unique to the Cisco Unified Computing System, the
Cisco UCS P81E is optimized for virtualized environments, for organizations that
seek increased mobility in their physical environments, and for data centers
that want reduced TCO through NIC, HBA, cabling, and switch reduction.
The Cisco UCS P81E can present up to 128 virtual interfaces on a given server. The 128 virtual interfaces can be dynamically configured by Cisco UCS Manager as either Fibre Channel or Ethernet devices (Figure 1). Initially, the Cisco UCS P81E will support up to 2 Fibre Channel and 16 Ethernet devices. The number of virtual interfaces will be increased over time. With Cisco UCS P81E, deployment of applications that require or benefit from multiple Ethernet and Fibre Channel interfaces is no longer constrained by the available physical adapters.
To an operating system or a hypervisor running on a Cisco UCS C-Series Rack-Mount Server, the virtual interfaces appear as regular PCIe devices. In a virtualized environment, Cisco VM-FEX technology allows virtual links to be centrally configured and managed without the complexity that traditional approaches interpose with multiple switching layers in virtualized environments. I/O configurations and network profiles move along with virtual machines, helping increase security and efficiency while reducing complexity. As a result of close cooperation between Cisco and VMware, network policies and virtual interfaces can be applied to virtual machines in VMware vCenter. The partnership also enables pass-through switching in the virtual switch, improving hypervisor performance.
Another significant virtualization innovation is a technology known as hypervisor bypass. The Cisco UCS P81E has built-in architectural support enabling the virtual machine to directly access the adapter when such technology becomes available in hypervisors. I/O bottlenecks and memory performance can be improved by giving virtual machines direct access to hardware I/O devices, eliminating the overhead of embedded software switches.
The Cisco UCS P81E also brings adapter consolidation to physical environments. The adapter can be defined as multiple different NICs and HBAs. For example, one adapter can replace two quad-port NICs and two single-port HBAs, resulting in fewer NICs, HBAs, switches, and cables.
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