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Versatility and Scalability • Software package compatibility: Cisco NX-OS interoperates with Cisco products jogging any variant of the Cisco IOS Software package functioning method. It also interoperates with any networking OS that conforms to the networking criteria outlined as supported in this info sheet. • Prevalent software program through the knowledge heart: Cisco NX-OS simplifies the data middle working atmosphere and delivers a unified OS intended to run all places of the info middle network, including storage, virtualization, and Layer three community protocols. • Modular computer software layout: Cisco NX-OS is intended to help dispersed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and dispersed line-card processors. Computationally intensive responsibilities, this sort of as components table programming, can be offloaded to focused processors distributed throughout the line cards. Cisco NX-OS modular procedures are instantiated on desire, every in a independent safeguarded memory space. Therefore, processes are started and technique means allocated only when a function is enabled. The modular processes are governed by a true-time preemptive scheduler that assists ensure the well timed processing of crucial capabilities. • Virtual unit contexts (VDCs): Cisco NX-OS offers the capability to phase OS and hardware means into digital contexts that emulate digital devices. Every VDC has its individual software processes, committed hardware resources (bodily interfaces, VLANs, routing table dimensions, Digital Route Forwarding [VRF], and so forth.), and impartial conduite environment. VDCs are instrumental in the consolidation of individual networks onto a typical infrastructure, preserving the administrative boundary separation and fault-isolation features of physically different networks while delivering a lot of of the functioning price benefits of a solitary infrastructure. Just about every VDC can be restarted devoid of affecting the management, info, or management aircraft of other VDCs in the method. • Help 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. Due to the fact it is a rational extension of its mother or father switch, the Cisco Nexus Fabric Extender inherits the functions and positive aspects presented by the Cisco Nexus 7000 Series. The combination of the Cisco Nexus 2000 Series Fabric Extenders and Cisco Nexus 7000 Series Switches brings together the advantages of leading-of-rack (ToR) and conclusion-of-row (EoR) network architectures, enabling knowledge centers to scale the variety of Gigabit Ethernet access ports, decreasing cable runs, and decreasing conduite factors in the community. Availability • Constant system operation: Cisco NX-OS supplies continuous system operation, permitting maintenance, upgrades, and application certification without service interruption. The mixture of approach modularity, hitless In-Services Computer software Up grade (ISSU) ability, and stateful graceful restart mitigates the outcomes of computer software upgrades and other functions. • Hitless ISSU: Hitless ISSU gives the capability to perform clear software program upgrades on platforms with redundant supervisors, minimizing downtime and permitting clients to integrate the newest capabilities and functions with small or no detrimental impact on community operation. • Clean advancement of enhancements and issue fixes: The modularity of Cisco NX-OS permits new capabilities, enhancements, and problem fixes to be transparently integrated into the software. These up-to-date images can then be mounted without disruption utilizing Cisco ISSU. • Process survivability: Critical procedures are operate in protected memory place and independently of every other and the kernel, supplying detailed services isolation and fault containment and enabling modular patching and upgrading and speedy restartability. Particular person procedures can be restarted independently devoid of decline of state information and devoid of affecting info forwarding, so that following an update or failure, processes restart in milliseconds without having negatively affecting adjacent devices or services. Processes with massive quantities of state such as IP routing protocols are restarted utilizing expectations-based nonstop forwarding (NSF) swish restart mechanisms other procedures use a local persistent storage support (PSS) to sustain their state. • Stateful supervisor failover: Redundant supervisors are kept synchronized at all times to make it possible for fast stateful supervisor failover. Sophisticated checks are in location to support make certain that the state is consistent and dependable during the overall dispersed architecture immediately after failover occurs. • Trusted interprocess communication: Cisco NX-OS facilitates reliable communication between procedures to help guarantee that all messages are delivered and effectively acted on for the duration of failure and adverse circumstances. This communication helps ensure approach synchronization and state consistency throughout procedures that may well be instantiated on processors dispersed in excess of 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-centered availability: Network convergence is optimized by delivering equipment and capabilities to make both failover and fallback transparent and fast. For example, Cisco NX-OS gives Spanning Tree Protocol enhancements this sort of as Bridge Protocol Information Device (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to enable make certain the well being of the Spanning Tree Protocol command plane Unidirectional Backlink Detection (UDLD) Protocol NSF sleek restart of routing protocols millisecond timers for Initially-Hop Resiliency Protocol (FHRP) Shortest-Route First (SPF) optimizations such as backlink-state advertisement (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 created with distinctive serviceability features to help community operators to get earlier action primarily based on community trends and events, improving network preparing and improving community operations middle (NOC) and vendor response times. Wise Get in touch with Residence, Cisco Generic On the net Diagnostics (GOLD), and Cisco Embedded Function Supervisor (EEM) are some of the features that enhance the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN feature permits an administrator to assess all website traffic amongst ports (referred to as the SPAN resource ports) by nonintrusively directing the SPAN session site visitors to a SPAN place port that has an exterior analyzer hooked up to it. Encapsulated Remote SPAN (ERSPAN) will allow remote monitoring of a number of switches across the community by encapsulating SPAN site visitors into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS includes a constructed-in packet analyzer to watch and troubleshoot management- and facts-aircraft website traffic. The packet analyzer is based on the common Wireshark open source community protocol analyzer. • Clever Simply call Home: The Wise Simply call Home feature continuously screens hardware and computer software factors to supply e mail-centered notification of vital process occasions. A versatile variety of concept formats is available for optimum compatibility with pager solutions, standard e-mail, and XML-based automatic parsing apps. It gives notify grouping abilities and customizable vacation spot profiles. This feature can be utilised, for case in point, to immediately page a community assist engineer, send an e mail concept to a NOC, and hire Cisco AutoNotify expert services to specifically create a situation with the Cisco Technical Aid Middle (TAC). This function is a action toward autonomous program operation, enabling networking products to inform IT when a challenge occurs and supporting make certain that the difficulty is acted on promptly, lowering time to resolution and growing process uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic amenities to validate that components and inner facts paths are functioning as designed. Boot-time diagnostics, steady monitoring, standby fabric loopback exams, and on-need and scheduled exams are part of the Cisco GOLD feature established. This market-leading diagnostics subsystem allows quick fault isolation and continuous method monitoring crucial in today's continuously running environments. • Cisco EEM: Cisco EEM is a strong gadget and program conduite technological innovation built-in into Cisco NX-OS. Cisco EEM aids prospects harness the community intelligence intrinsic to the Cisco software program and enables them to personalize habits based mostly on community activities as they transpire. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variations five and 9 exports as effectively as the Versatile NetFlow configuration product and components-based mostly Sampled NetFlow for enhanced scalability. In addition to Layer 3 NetFlow, Layer 2 NetFlow is supported.416120812