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Flexibility and Scalability • Software compatibility: Cisco NX-OS interoperates with Cisco goods working any variant of the Cisco IOS Computer software operating system. It also interoperates with any networking OS that conforms to the networking specifications detailed as supported in this information sheet. • Typical application during the facts heart: Cisco NX-OS simplifies the info heart functioning atmosphere and provides a unified OS designed to operate all locations of the information center community, which includes storage, virtualization, and Layer 3 network protocols. • Modular computer software design and style: Cisco NX-OS is made to assistance dispersed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and dispersed line-card processors. Computationally intensive duties, this sort of as components desk programming, can be offloaded to focused processors dispersed across the line cards. Cisco NX-OS modular processes are instantiated on demand, each and every in a independent safeguarded memory room. Thus, procedures are began and program methods allocated only when a attribute is enabled. The modular procedures are ruled by a authentic-time preemptive scheduler that assists assure the well timed processing of critical functions. • Virtual unit contexts (VDCs): Cisco NX-OS gives the ability to phase OS and hardware assets into virtual contexts that emulate virtual gadgets. Every VDC has its personal application processes, devoted components means (bodily interfaces, VLANs, routing desk measurement, Virtual Route Forwarding [VRF], etc.), and unbiased management setting. VDCs are instrumental in the consolidation of separate networks onto a typical infrastructure, preserving the administrative boundary separation and fault-isolation qualities of physically individual networks though giving quite a few of the operating expense benefits of a simple infrastructure. Each VDC can be restarted without having impacting the command, information, or administration plane of other VDCs in the process. • Aid 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. Since it is a logical extension of its father or mother switch, the Cisco Nexus Fabric Extender inherits the functions and benefits offered by the Cisco Nexus 7000 Series. The mix of the Cisco Nexus 2000 Series Fabric Extenders and Cisco Nexus 7000 Series Switches combines the positive aspects of top-of-rack (ToR) and end-of-row (EoR) community architectures, enabling knowledge facilities to scale the amount of Gigabit Ethernet entry ports, minimizing cable runs, and lowering administration points in the network. Availability • Ongoing process operation: Cisco NX-OS delivers ongoing method operation, permitting upkeep, upgrades, and software program certification devoid of support interruption. The mix of method modularity, hitless In-Service Application Upgrade (ISSU) ability, and stateful swish restart mitigates the outcomes of software package upgrades and other functions. • Hitless ISSU: Hitless ISSU provides the capability to complete clear application upgrades on platforms with redundant supervisors, decreasing downtime and making it possible for buyers to integrate the most recent capabilities and capabilities with tiny or no adverse impact on community operation. • Clean growth of enhancements and problem fixes: The modularity of Cisco NX-OS will allow new attributes, enhancements, and difficulty fixes to be transparently integrated into the software program. These updated pictures can then be put in with no disruption employing Cisco ISSU. • Process survivability: Essential processes are operate in safeguarded memory space and independently of each other and the kernel, providing specific assistance isolation and fault containment and enabling modular patching and upgrading and speedy restartability. Personal procedures can be restarted independently devoid of loss of state data and without affecting info forwarding, so that immediately after an improve or failure, processes restart in milliseconds without negatively affecting adjacent products or expert services. Procedures with significant amounts of state these kinds of as IP routing protocols are restarted making use of criteria-based nonstop forwarding (NSF) swish restart mechanisms other processes use a local persistent storage assistance (PSS) to preserve their state. • Stateful supervisor failover: Redundant supervisors are held synchronized at all moments to allow speedy stateful supervisor failover. Advanced checks are in position to support make sure that the state is consistent and trustworthy in the course of the total distributed architecture following failover occurs. • Reliable interprocess communication: Cisco NX-OS facilitates dependable communication between processes to aid guarantee that all messages are sent and effectively acted on during failure and adverse disorders. This communication assists make sure approach synchronization and state consistency across procedures that may possibly be instantiated on processors distributed in excess of many supervisors and I/O modules. • Redundant switched Ethernet out-of-band channels (EOBCs): Cisco NX-OS can make complete use of redundant EOBCs for communication amongst manage and I/O module processors. • Network-dependent availability: Network convergence is optimized by giving equipment and capabilities to make both failover and fallback clear and quickly. For instance, Cisco NX-OS provides Spanning Tree Protocol enhancements these kinds of as Bridge Protocol Data Device (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to help make certain the well being of the Spanning Tree Protocol management plane Unidirectional Hyperlink Detection (UDLD) Protocol NSF graceful restart of routing protocols millisecond timers for Very first-Hop Resiliency Protocol (FHRP) Shortest-Route Initial (SPF) optimizations these as weblink-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 created with one of a kind serviceability features to enable network operators to require early action primarily based on community trends and functions, improving network planning and increasing network functions middle (NOC) and vendor response moments. Sensible Get in touch with Home, Cisco Generic On the net Diagnostics (GOLD), and Cisco Embedded Occasion Manager (EEM) are some of the functions that increase the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN attribute will allow an administrator to assess all website traffic in between ports (called the SPAN supply ports) by nonintrusively directing the SPAN session website traffic to a SPAN destination port that has an external analyzer attached to it. Encapsulated Remote SPAN (ERSPAN) permits remote monitoring of many switches across the community by encapsulating SPAN site visitors into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS contains a created-in packet analyzer to watch and troubleshoot handle- and data-aircraft website traffic. The packet analyzer is based mostly on the common Wireshark open resource network protocol analyzer. • Intelligent Call Household: The Sensible Simply call Property characteristic repeatedly screens components and software components to supply electronic mail-based notification of essential system gatherings. A adaptable assortment of concept formats is offered for optimum compatibility with pager companies, regular e mail, and XML-dependent automated parsing applications. It offers alert grouping capabilities and customizable location profiles. This feature can be utilised, for case in point, to straight web page a community support engineer, ship an electronic mail concept to a NOC, and make use of Cisco AutoNotify providers to specifically crank out a case with the Cisco Technical Help Center (TAC). This function is a step toward autonomous technique operation, enabling networking units to inform IT when a dilemma takes place and assisting make certain that the issue is acted on promptly, decreasing time to resolution and rising technique uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic services to validate that components and inner information paths are operating as created. Boot-time diagnostics, steady monitoring, standby fabric loopback exams, and on-desire and scheduled checks are aspect of the Cisco GOLD attribute established. This industry-major diagnostics subsystem makes it possible for speedy fault isolation and ongoing program monitoring essential in today's continuously operating environments. • Cisco EEM: Cisco EEM is a strong system and process management technology integrated into Cisco NX-OS. Cisco EEM assists customers harness the community intelligence intrinsic to the Cisco software program and allows them to customise conduct centered on community functions as they happen. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Versions five and nine exports as nicely as the Adaptable NetFlow configuration product and hardware-centered Sampled NetFlow for enhanced scalability. In addition to Layer three NetFlow, Layer 2 NetFlow is supported.416120812