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Versatility and Scalability • Computer software compatibility: Cisco NX-OS interoperates with Cisco merchandise operating any variant of the Cisco IOS Software functioning technique. It also interoperates with any networking OS that conforms to the networking expectations outlined as supported in this facts sheet. • Common computer software during the facts heart: Cisco NX-OS simplifies the information middle operating setting and supplies a unified OS created to run all parts of the data center community, like storage, virtualization, and Layer 3 network protocols. • Modular software style: Cisco NX-OS is intended to assist dispersed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and distributed line-card processors. Computationally intensive tasks, these as hardware table programming, can be offloaded to committed processors dispersed throughout the line cards. Cisco NX-OS modular procedures are instantiated on demand, every single in a different safeguarded memory house. Hence, procedures are started and technique methods allocated only when a element is enabled. The modular processes are ruled by a genuine-time preemptive scheduler that assists make certain the timely processing of critical capabilities. • Virtual unit contexts (VDCs): Cisco NX-OS provides the functionality to section OS and components means into virtual contexts that emulate digital devices. Every single VDC has its possess computer software procedures, focused hardware resources (bodily interfaces, VLANs, routing desk dimensions, Digital Route Forwarding [VRF], etc.), and impartial conduite setting. VDCs are instrumental in the consolidation of different networks onto a common infrastructure, sustaining the administrative boundary separation and fault-isolation qualities of bodily independent networks even though offering many of the working price rewards of a single infrastructure. Each VDC can be restarted devoid of impacting the manage, info, or administration plane of other VDCs in the method. • Assistance for Cisco Nexus Fabric Extender: The Cisco Nexus 7000 Series Switch can act as the father or mother switch for the Cisco Nexus 2248TP GE Fabric Extender, the Cisco Nexus 2224TP GE Fabric Extender, and the Cisco Nexus 2232PP 10GE Fabric Extender. Mainly because it is a logical extension of its parent switch, the Cisco Nexus Fabric Extender inherits the capabilities and advantages supplied by the Cisco Nexus 7000 Series. The combination of the Cisco Nexus 2000 Series Fabric Extenders and Cisco Nexus 7000 Series Switches combines the benefits of leading-of-rack (ToR) and finish-of-row (EoR) network architectures, enabling facts facilities to scale the variety of Gigabit Ethernet accessibility ports, minimizing cable runs, and reducing administration factors in the network. Availability • Constant process operation: Cisco NX-OS provides steady process operation, permitting preservation, upgrades, and software program certification without having service interruption. The mix of procedure modularity, hitless In-Support Software package Update (ISSU) ability, and stateful sleek restart mitigates the consequences of software program upgrades and other operations. • Hitless ISSU: Hitless ISSU delivers the capability to carry out transparent application upgrades on platforms with redundant supervisors, minimizing downtime and allowing prospects to combine the most recent capabilities and functions with minor or no detrimental effect on community operation. • Smooth development of enhancements and challenge fixes: The modularity of Cisco NX-OS enables new characteristics, enhancements, and challenge fixes to be transparently built-in into the application. These up to date photographs can then be mounted with out disruption making use of Cisco ISSU. • Procedure survivability: Critical procedures are operate in guarded memory place and independently of every other and the kernel, providing thorough service isolation and fault containment and enabling modular patching and upgrading and rapid restartability. Specific processes can be restarted independently with no decline of state info and devoid of affecting knowledge forwarding, so that right after an up grade or failure, processes restart in milliseconds without having negatively impacting adjacent products or providers. Processes with big amounts of state these kinds of as IP routing protocols are restarted working with criteria-centered nonstop forwarding (NSF) sleek restart mechanisms other processes use a neighborhood persistent storage service (PSS) to preserve their state. • Stateful supervisor failover: Redundant supervisors are stored synchronized at all occasions to make it possible for speedy stateful supervisor failover. Innovative checks are in position to enable guarantee that the state is steady and reliable in the course of the complete dispersed architecture right after failover occurs. • Reputable interprocess communication: Cisco NX-OS facilitates reputable communication between procedures to enable guarantee that all messages are sent and appropriately acted on through failure and adverse disorders. This communication can help make sure procedure synchronization and state consistency throughout processes that could be instantiated on processors distributed more than several supervisors and I/O modules. • Redundant switched Ethernet out-of-band channels (EOBCs): Cisco NX-OS can make whole use of redundant EOBCs for communication among management and I/O module processors. • Network-dependent availability: Community convergence is optimized by giving resources and capabilities to make both equally failover and fallback clear and rapid. For example, Cisco NX-OS offers Spanning Tree Protocol enhancements this sort of as Bridge Protocol Data Device (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to assist assure the health of the Spanning Tree Protocol handle aircraft Unidirectional Website link Detection (UDLD) Protocol NSF graceful restart of routing protocols millisecond timers for Very first-Hop Resiliency Protocol (FHRP) Shortest-Route Initial (SPF) optimizations these kinds of as backlink-state advertisement (LSA) pacing and incremental SPF IEEE 802.3ad backlink aggregation with adjustable timers and Bidirectional Forwarding Detection (BFD). Serviceability • Troubleshooting and diagnostics: Cisco NX-OS is developed with distinctive serviceability functions to help community operators to take early action centered on network developments and gatherings, maximizing network setting up and strengthening community functions heart (NOC) and vendor reaction times. Intelligent Contact Household, Cisco Generic On-line Diagnostics (GOLD), and Cisco Embedded Celebration Supervisor (EEM) are some of the characteristics that enhance the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN feature enables an administrator to assess all website traffic between ports (identified as the SPAN supply ports) by nonintrusively directing the SPAN session traffic to a SPAN spot port that has an exterior analyzer hooked up to it. Encapsulated Remote SPAN (ERSPAN) permits remote monitoring of a number of switches across the community by encapsulating SPAN visitors into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS incorporates a designed-in packet analyzer to check and troubleshoot command- and data-aircraft traffic. The packet analyzer is centered on the well-known Wireshark open up source community protocol analyzer. • Intelligent Contact Household: The Wise Phone House attribute continually screens hardware and software package elements to offer e mail-primarily based notification of essential program events. A versatile range of message formats is offered for optimum compatibility with pager services, typical e mail, and XML-based automatic parsing applications. It delivers inform grouping abilities and customizable place profiles. This attribute can be applied, for instance, to specifically web page a community assist engineer, deliver an email concept to a NOC, and make use of Cisco AutoNotify services to straight make a scenario with the Cisco Technical Help Center (TAC). This function is a stage toward autonomous process operation, enabling networking units to inform IT when a difficulty takes place and serving to guarantee that the problem is acted on rapidly, reducing time to resolution and escalating system uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic amenities to verify that components and inner knowledge paths are functioning as made. Boot-time diagnostics, constant monitoring, standby fabric loopback exams, and on-need and scheduled checks are part of the Cisco GOLD feature established. This marketplace-major diagnostics subsystem will allow quick fault isolation and constant process monitoring vital in today's continuously working environments. • Cisco EEM: Cisco EEM is a highly effective machine and method administration technology built-in into Cisco NX-OS. Cisco EEM will help consumers harness the network intelligence intrinsic to the Cisco computer software and allows them to customize behavior centered on network functions as they occur. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variations five and nine exports as very well as the Flexible NetFlow configuration design and hardware-centered Sampled NetFlow for increased scalability. In addition to Layer 3 NetFlow, Layer 2 NetFlow is supported.416120812