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Overall flexibility and Scalability • Software compatibility: Cisco NX-OS interoperates with Cisco items jogging any variant of the Cisco IOS Computer software operating system. It also interoperates with any networking OS that conforms to the networking expectations outlined as supported in this information sheet. • Widespread computer software all through the data center: Cisco NX-OS simplifies the facts center running surroundings and offers a unified OS made to operate all regions of the data center network, such as storage, virtualization, and Layer 3 community protocols. • Modular software package design: Cisco NX-OS is made to aid distributed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and dispersed line-card processors. Computationally intensive projects, this kind of as components table programming, can be offloaded to focused processors distributed throughout the line cards. Cisco NX-OS modular procedures are instantiated on demand, each and every in a individual secured memory house. Thus, processes are started off and process assets allocated only when a function is enabled. The modular procedures are governed by a actual-time preemptive scheduler that will help make sure the well timed processing of important functions. • Digital gadget contexts (VDCs): Cisco NX-OS delivers the functionality to phase OS and hardware sources into digital contexts that emulate virtual units. Just about every VDC has its possess software procedures, devoted components assets (bodily interfaces, VLANs, routing desk measurement, Virtual Route Forwarding [VRF], etcetera.), and independent administration natural environment. VDCs are instrumental in the consolidation of separate networks onto a common infrastructure, sustaining the administrative boundary separation and fault-isolation features of physically different networks while offering several of the operating charge positive aspects of a single infrastructure. Each and every VDC can be restarted devoid of impacting the handle, info, or management aircraft of other VDCs in the method. • Support for Cisco Nexus Fabric Extender: The Cisco Nexus 7000 Series Switch can act as the guardian 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 reasonable extension of its parent switch, the Cisco Nexus Fabric Extender inherits the features and benefits offered 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 stop-of-row (EoR) community architectures, enabling facts facilities to scale the range of Gigabit Ethernet access ports, lowering cable runs, and cutting down administration details in the community. Availability • Constant process operation: Cisco NX-OS offers continuous program operation, permitting preservation, upgrades, and software package certification with out assistance interruption. The blend of method modularity, hitless In-Assistance Software program Update (ISSU) capability, and stateful graceful restart mitigates the results of application upgrades and other operations. • Hitless ISSU: Hitless ISSU offers the capability to accomplish transparent computer software upgrades on platforms with redundant supervisors, minimizing downtime and letting prospects to combine the latest attributes and capabilities with minor or no unfavorable outcome on community operation. • Easy growth of enhancements and issue fixes: The modularity of Cisco NX-OS permits new features, enhancements, and issue fixes to be transparently built-in into the software. These up to date images can then be mounted with no disruption making use of Cisco ISSU. • Course of action survivability: Important processes are operate in protected memory room and independently of every single other and the kernel, offering thorough assistance isolation and fault containment and enabling modular patching and upgrading and speedy restartability. Specific processes can be restarted independently without decline of state info and without impacting info forwarding, so that following an up grade or failure, processes restart in milliseconds without having negatively affecting adjacent units or services. Procedures with huge quantities of state these kinds of as IP routing protocols are restarted utilizing expectations-primarily based nonstop forwarding (NSF) sleek restart mechanisms other procedures use a neighborhood persistent storage provider (PSS) to retain their state. • Stateful supervisor failover: Redundant supervisors are stored synchronized at all periods to enable rapid stateful supervisor failover. Sophisticated checks are in put to support guarantee that the state is consistent and dependable through the overall dispersed architecture right after failover happens. • Dependable interprocess communication: Cisco NX-OS facilitates reputable communication among processes to enable make sure that all messages are delivered and effectively acted on throughout failure and adverse problems. This communication can help guarantee course of action synchronization and state consistency across procedures that might be instantiated on processors distributed in excess of multiple 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 amongst control and I/O module processors. • Community-primarily based availability: Community convergence is optimized by supplying applications and capabilities to make equally failover and fallback clear and rapid. For example, Cisco NX-OS supplies Spanning Tree Protocol enhancements this kind of as Bridge Protocol Data Device (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to assist ensure the wellbeing of the Spanning Tree Protocol handle aircraft Unidirectional Hyperlink Detection (UDLD) Protocol NSF swish restart of routing protocols millisecond timers for First-Hop Resiliency Protocol (FHRP) Shortest-Path First (SPF) optimizations these as hyperlink-state ad (LSA) pacing and incremental SPF IEEE 802.3ad weblink aggregation with adjustable timers and Bidirectional Forwarding Detection (BFD). Serviceability • Troubleshooting and diagnostics: Cisco NX-OS is developed with distinctive serviceability features to permit community operators to take earlier action dependent on community developments and events, maximizing community setting up and increasing community functions middle (NOC) and vendor response times. Intelligent Simply call Residence, Cisco Generic On the internet Diagnostics (GOLD), and Cisco Embedded Occasion Manager (EEM) are some of the attributes that enhance the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN attribute permits an administrator to assess all site visitors amongst ports (known as the SPAN supply ports) by nonintrusively directing the SPAN session site visitors to a SPAN location port that has an exterior analyzer hooked up to it. Encapsulated Remote SPAN (ERSPAN) permits remote monitoring of numerous switches across the network by encapsulating SPAN traffic into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS contains a developed-in packet analyzer to monitor and troubleshoot control- and information-plane traffic. The packet analyzer is centered on the well-known Wireshark open up source network protocol analyzer. • Clever Simply call Residence: The Sensible Contact Household feature continually screens components and software elements to offer e-mail-dependent notification of critical technique activities. A adaptable array of concept formats is accessible for ideal compatibility with pager companies, standard e-mail, and XML-centered automatic parsing programs. It presents alert grouping abilities and customizable destination profiles. This characteristic can be utilised, for instance, to directly page a network help engineer, send an email message to a NOC, and hire Cisco AutoNotify providers to right crank out a case with the Cisco Technical Support Center (TAC). This characteristic is a move toward autonomous method operation, enabling networking gadgets to inform IT when a dilemma occurs and supporting guarantee that the challenge is acted on quickly, lowering time to resolution and rising process uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic amenities to verify that hardware and inside knowledge paths are operating as designed. Boot-time diagnostics, continuous monitoring, standby fabric loopback tests, and on-need and scheduled checks are element of the Cisco GOLD element set. This business-major diagnostics subsystem makes it possible for quick fault isolation and continuous method monitoring vital in today's continuously functioning environments. • Cisco EEM: Cisco EEM is a strong machine and system administration engineering built-in into Cisco NX-OS. Cisco EEM assists clients harness the community intelligence intrinsic to the Cisco computer software and allows them to customize behavior primarily based on community activities as they occur. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variants 5 and nine exports as effectively as the Versatile NetFlow configuration product and components-centered Sampled NetFlow for enhanced scalability. In addition to Layer 3 NetFlow, Layer 2 NetFlow is supported.416120812