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Flexibility and Scalability • Software program compatibility: Cisco NX-OS interoperates with Cisco products running any variant of the Cisco IOS Software working method. It also interoperates with any networking OS that conforms to the networking criteria outlined as supported in this information sheet. • Typical software program throughout the info center: Cisco NX-OS simplifies the facts center working setting and provides a unified OS developed to operate all places of the knowledge middle network, such as storage, virtualization, and Layer three network protocols. • Modular software package design and style: Cisco NX-OS is intended to aid distributed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and distributed line-card processors. Computationally intensive duties, these kinds of as components table programming, can be offloaded to focused processors dispersed across the line cards. Cisco NX-OS modular processes are instantiated on need, every in a independent shielded memory house. Therefore, procedures are started and method methods allotted only when a characteristic is enabled. The modular processes are ruled by a genuine-time preemptive scheduler that aids guarantee the well timed processing of essential capabilities. • Digital unit contexts (VDCs): Cisco NX-OS delivers the ability to segment OS and hardware means into virtual contexts that emulate digital gadgets. Each and every VDC has its very own software procedures, focused hardware sources (bodily interfaces, VLANs, routing desk size, Virtual Route Forwarding [VRF], and many others.), and independent conduite natural environment. VDCs are instrumental in the consolidation of independent networks onto a prevalent infrastructure, sustaining the administrative boundary separation and fault-isolation traits of physically independent networks while giving a lot of of the running charge positive aspects of a simple infrastructure. Just about every VDC can be restarted without having affecting the command, info, or conduite plane of other VDCs in the technique. • Assistance for Cisco Nexus Fabric Extender: The Cisco Nexus 7000 Series Switch can act as the mum or dad 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 mother or father switch, the Cisco Nexus Fabric Extender inherits the functions and advantages supplied by the Cisco Nexus 7000 Series. The blend of the Cisco Nexus 2000 Series Fabric Extenders and Cisco Nexus 7000 Series Switches combines the rewards of top rated-of-rack (ToR) and conclude-of-row (EoR) community architectures, enabling information facilities to scale the variety of Gigabit Ethernet entry ports, cutting down cable runs, and lowering administration points in the network. Availability • Continuous technique operation: Cisco NX-OS offers steady system operation, permitting routine maintenance, upgrades, and software program certification with out services interruption. The blend of method modularity, hitless In-Assistance Software Update (ISSU) capability, and stateful swish restart mitigates the effects of application upgrades and other operations. • Hitless ISSU: Hitless ISSU provides the ability to carry out transparent computer software upgrades on platforms with redundant supervisors, decreasing downtime and permitting prospects to integrate the most recent features and capabilities with little or no unfavorable influence on community operation. • Easy enhancement of enhancements and difficulty fixes: The modularity of Cisco NX-OS enables new attributes, enhancements, and issue fixes to be transparently built-in into the software program. These up-to-date images can then be put in with out disruption utilizing Cisco ISSU. • Method survivability: Essential procedures are operate in shielded memory space and independently of every single other and the kernel, delivering in depth provider isolation and fault containment and enabling modular patching and upgrading and speedy restartability. Specific procedures can be restarted independently with out reduction of state info and devoid of affecting knowledge forwarding, so that following an update or failure, procedures restart in milliseconds devoid of negatively impacting adjacent units or companies. Procedures with huge quantities of state such as IP routing protocols are restarted making use of specifications-based nonstop forwarding (NSF) sleek restart mechanisms other procedures use a local persistent storage services (PSS) to preserve their state. • Stateful supervisor failover: Redundant supervisors are kept synchronized at all times to enable rapid stateful supervisor failover. Sophisticated checks are in location to help make certain that the state is reliable and reliable during the entire distributed architecture immediately after failover occurs. • Trusted interprocess communication: Cisco NX-OS facilitates reputable communication involving procedures to help assure that all messages are delivered and correctly acted on throughout failure and adverse problems. This communication assists make sure course of action synchronization and state consistency throughout processes that may possibly be instantiated on processors distributed about several supervisors and I/O modules. • Redundant switched Ethernet out-of-band channels (EOBCs): Cisco NX-OS can make full use of redundant EOBCs for communication among manage and I/O module processors. • Network-based mostly availability: Community convergence is optimized by offering tools and capabilities to make equally failover and fallback clear and rapid. For example, Cisco NX-OS supplies Spanning Tree Protocol enhancements this sort of as Bridge Protocol Information Device (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to support ensure the well being of the Spanning Tree Protocol manage airplane Unidirectional Backlink Detection (UDLD) Protocol NSF swish restart of routing protocols millisecond timers for 1st-Hop Resiliency Protocol (FHRP) Shortest-Route Initially (SPF) optimizations this kind of as weblink-state ad (LSA) pacing and incremental SPF IEEE 802.3ad hyperlink aggregation with adjustable timers and Bidirectional Forwarding Detection (BFD). Serviceability • Troubleshooting and diagnostics: Cisco NX-OS is constructed with unique serviceability features to permit community operators to get early action primarily based on community tendencies and occasions, boosting network setting up and enhancing community operations middle (NOC) and vendor response periods. Smart Phone Home, Cisco Generic On-line Diagnostics (GOLD), and Cisco Embedded Celebration Manager (EEM) are some of the features that increase the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN attribute enables an administrator to evaluate all visitors among ports (referred to as the SPAN resource ports) by nonintrusively directing the SPAN session site visitors to a SPAN destination port that has an exterior analyzer hooked up to it. Encapsulated Remote SPAN (ERSPAN) permits remote monitoring of several switches throughout the community by encapsulating SPAN site visitors into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS incorporates a built-in packet analyzer to keep an eye on and troubleshoot handle- and info-aircraft targeted traffic. The packet analyzer is primarily based on the well-liked Wireshark open source network protocol analyzer. • Intelligent Contact Property: The Smart Contact Residence attribute continuously monitors components and software factors to provide electronic mail-primarily based notification of essential program gatherings. A flexible variety of concept formats is offered for optimum compatibility with pager companies, standard e mail, and XML-primarily based automated parsing apps. It offers alert grouping capabilities and customizable location profiles. This function can be used, for case in point, to directly web page a network aid engineer, ship an e mail message to a NOC, and make use of Cisco AutoNotify expert services to immediately create a circumstance with the Cisco Technical Assistance Center (TAC). This characteristic is a stage towards autonomous process operation, enabling networking gadgets to inform IT when a dilemma takes place and helping ensure that the dilemma is acted on rapidly, lowering time to resolution and rising technique uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic services to verify that components and inside knowledge paths are running as developed. Boot-time diagnostics, continuous monitoring, standby fabric loopback checks, and on-need and scheduled exams are portion of the Cisco GOLD characteristic established. This sector-major diagnostics subsystem enables speedy fault isolation and continuous technique monitoring vital in today's continually operating environments. • Cisco EEM: Cisco EEM is a potent machine and method conduite technology built-in into Cisco NX-OS. Cisco EEM aids buyers harness the network intelligence intrinsic to the Cisco application and allows them to customise habits centered on community events as they take place. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variations 5 and nine exports as nicely as the Versatile NetFlow configuration model and hardware-based Sampled NetFlow for enhanced scalability. In addition to Layer three NetFlow, Layer 2 NetFlow is supported.416120812