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Versatility and Scalability • Software compatibility: Cisco NX-OS interoperates with Cisco goods working any variant of the Cisco IOS Computer software running technique. It also interoperates with any networking OS that conforms to the networking expectations outlined as supported in this data sheet. • Prevalent software throughout the info center: Cisco NX-OS simplifies the data heart functioning natural environment and supplies a unified OS developed to operate all places of the facts center network, including storage, virtualization, and Layer three community protocols. • Modular application design: Cisco NX-OS is developed to assist distributed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and dispersed line-card processors. Computationally intensive jobs, these as hardware desk programming, can be offloaded to dedicated processors dispersed throughout the line cards. Cisco NX-OS modular procedures are instantiated on demand, each and every in a different guarded memory room. Therefore, procedures are started out and system methods allotted only when a attribute is enabled. The modular processes are governed by a genuine-time preemptive scheduler that helps ensure the well timed processing of essential capabilities. • Digital machine contexts (VDCs): Cisco NX-OS provides the ability to segment OS and components methods into virtual contexts that emulate digital gadgets. Every single VDC has its individual software procedures, dedicated hardware assets (physical interfaces, VLANs, routing desk dimensions, Digital Route Forwarding [VRF], and so on.), and unbiased conduite environment. VDCs are instrumental in the consolidation of independent networks onto a frequent infrastructure, maintaining the administrative boundary separation and fault-isolation traits of physically independent networks although supplying several of the operating price benefits of a solitary infrastructure. Every VDC can be restarted without having impacting the management, facts, or conduite airplane of other VDCs in the program. • Assist for Cisco Nexus Fabric Extender: The Cisco Nexus 7000 Series Switch can act as the mother or father switch for the Cisco Nexus 2248TP GE Fabric Extender, the Cisco Nexus 2224TP GE Fabric Extender, and the Cisco Nexus 2232PP 10GE Fabric Extender. Simply because it is a logical extension of its mum or dad switch, the Cisco Nexus Fabric Extender inherits the functions and added benefits presented 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 best-of-rack (ToR) and finish-of-row (EoR) community architectures, enabling information facilities to scale the variety of Gigabit Ethernet accessibility ports, cutting down cable runs, and decreasing administration factors in the community. Availability • Ongoing method operation: Cisco NX-OS provides ongoing system operation, permitting preservation, upgrades, and software program certification without having services interruption. The mix of procedure modularity, hitless In-Provider Software program Up grade (ISSU) capability, and stateful sleek restart mitigates the results of computer software upgrades and other operations. • Hitless ISSU: Hitless ISSU gives the capacity to carry out clear software upgrades on platforms with redundant supervisors, minimizing downtime and allowing customers to combine the newest attributes and capabilities with small or no negative result on network operation. • Sleek advancement of enhancements and problem fixes: The modularity of Cisco NX-OS will allow new capabilities, enhancements, and dilemma fixes to be transparently built-in into the software package. These up-to-date photographs can then be mounted without disruption employing Cisco ISSU. • Method survivability: Crucial procedures are operate in protected memory house and independently of each other and the kernel, offering thorough service isolation and fault containment and enabling modular patching and upgrading and rapid restartability. Particular person procedures can be restarted independently with out reduction of state data and without affecting knowledge forwarding, so that soon after an update or failure, processes restart in milliseconds with no negatively affecting adjacent units or solutions. Procedures with large quantities of state these kinds of as IP routing protocols are restarted using criteria-based nonstop forwarding (NSF) sleek restart mechanisms other processes use a community persistent storage services (PSS) to retain their state. • Stateful supervisor failover: Redundant supervisors are kept synchronized at all times to permit quick stateful supervisor failover. Sophisticated checks are in spot to help assure that the state is consistent and trustworthy all through the whole dispersed architecture soon after failover occurs. • Dependable interprocess communication: Cisco NX-OS facilitates dependable communication in between procedures to assist assure that all messages are sent and correctly acted on through failure and adverse conditions. This communication can help assure procedure synchronization and state consistency throughout processes that may well be instantiated on processors dispersed more than numerous 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 manage and I/O module processors. • Community-based availability: Network convergence is optimized by supplying instruments and functions to make each failover and fallback clear and fast. For instance, Cisco NX-OS offers Spanning Tree Protocol enhancements these kinds of as Bridge Protocol Facts Unit (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to assist make sure the overall health of the Spanning Tree Protocol command plane Unidirectional Weblink Detection (UDLD) Protocol NSF sleek restart of routing protocols millisecond timers for Very first-Hop Resiliency Protocol (FHRP) Shortest-Path Very first (SPF) optimizations these kinds of as link-state ad (LSA) pacing and incremental SPF IEEE 802.3ad website link aggregation with adjustable timers and Bidirectional Forwarding Detection (BFD). Serviceability • Troubleshooting and diagnostics: Cisco NX-OS is created with unique serviceability functions to make it possible for community operators to have early action primarily based on network trends and activities, maximizing network setting up and strengthening community functions heart (NOC) and vendor response moments. Intelligent Contact House, Cisco Generic On the web Diagnostics (GOLD), and Cisco Embedded Function Supervisor (EEM) are some of the features that enrich the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN characteristic permits an administrator to examine all targeted traffic involving ports (identified as the SPAN source ports) by nonintrusively directing the SPAN session website traffic to a SPAN vacation spot port that has an exterior analyzer attached to it. Encapsulated Remote SPAN (ERSPAN) makes it possible for remote monitoring of multiple switches across the community by encapsulating SPAN targeted traffic into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS incorporates a built-in packet analyzer to keep track of and troubleshoot command- and knowledge-plane traffic. The packet analyzer is primarily based on the well-known Wireshark open up supply community protocol analyzer. • Smart Contact Home: The Clever Get in touch with House attribute repeatedly screens components and software elements to present e mail-based notification of essential program activities. A flexible variety of concept formats is obtainable for ideal compatibility with pager providers, common email, and XML-primarily based automated parsing programs. It offers alert grouping abilities and customizable vacation spot profiles. This feature can be applied, for instance, to specifically page a network aid engineer, send an email message to a NOC, and hire Cisco AutoNotify expert services to specifically crank out a instance with the Cisco Technical Assistance Middle (TAC). This attribute is a move toward autonomous system operation, enabling networking devices to inform IT when a dilemma happens and supporting make sure that the issue is acted on promptly, decreasing time to resolution and growing technique uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic services to verify that components and inner facts paths are running as made. Boot-time diagnostics, steady monitoring, standby fabric loopback tests, and on-need and scheduled assessments are portion of the Cisco GOLD function established. This market-primary diagnostics subsystem enables fast fault isolation and continuous system monitoring vital in today's constantly running environments. • Cisco EEM: Cisco EEM is a effective machine and method conduite technologies built-in into Cisco NX-OS. Cisco EEM helps prospects harness the network intelligence intrinsic to the Cisco application and allows them to customize habits based on network events as they take place. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variations 5 and nine exports as properly as the Flexible NetFlow configuration product and hardware-primarily based Sampled NetFlow for enhanced scalability. In addition to Layer 3 NetFlow, Layer two NetFlow is supported.416120812