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Overall flexibility and Scalability • Application compatibility: Cisco NX-OS interoperates with Cisco merchandise jogging any variant of the Cisco IOS Software package functioning technique. It also interoperates with any networking OS that conforms to the networking specifications detailed as supported in this knowledge sheet. • Widespread computer software throughout the info heart: Cisco NX-OS simplifies the info heart running surroundings and offers a unified OS developed to run all areas of the facts heart network, including storage, virtualization, and Layer 3 community protocols. • Modular application style: Cisco NX-OS is made to assist dispersed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and dispersed line-card processors. Computationally intensive tasks, these as components desk programming, can be offloaded to dedicated processors dispersed across the line cards. Cisco NX-OS modular processes are instantiated on desire, just about every in a independent safeguarded memory room. As a result, procedures are started off and process assets allocated only when a element is enabled. The modular processes are ruled by a true-time preemptive scheduler that can help make certain the well timed processing of critical capabilities. • Digital system contexts (VDCs): Cisco NX-OS presents the functionality to segment OS and components methods into digital contexts that emulate digital products. Each and every VDC has its individual software program procedures, devoted hardware assets (physical interfaces, VLANs, routing desk measurement, Virtual Route Forwarding [VRF], etc.), and impartial administration surroundings. VDCs are instrumental in the consolidation of different networks onto a typical infrastructure, keeping the administrative boundary separation and fault-isolation traits of bodily separate networks although offering numerous of the running price benefits of a one infrastructure. Each and every VDC can be restarted devoid of impacting the command, facts, or management airplane of other VDCs in the technique. • Assistance for Cisco Nexus Fabric Extender: The Cisco Nexus 7000 Series Switch can act as the father or mother 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 reasonable extension of its father or mother switch, the Cisco Nexus Fabric Extender inherits the functions and benefits provided by the Cisco Nexus 7000 Series. The mix of the Cisco Nexus 2000 Series Fabric Extenders and Cisco Nexus 7000 Series Switches moyen the benefits of leading-of-rack (ToR) and end-of-row (EoR) network architectures, enabling information centers to scale the quantity of Gigabit Ethernet access ports, minimizing cable runs, and cutting down management points in the network. Availability • Continuous process operation: Cisco NX-OS delivers ongoing program operation, permitting maintenance, upgrades, and software certification with out services interruption. The blend of process modularity, hitless In-Services Application Upgrade (ISSU) functionality, and stateful sleek restart mitigates the consequences of software program upgrades and other operations. • Hitless ISSU: Hitless ISSU gives the capacity to perform clear computer software upgrades on platforms with redundant supervisors, reducing downtime and making it possible for clients to combine the most recent characteristics and functions with small or no damaging impact on network operation. • Sleek growth of enhancements and issue fixes: The modularity of Cisco NX-OS permits new features, enhancements, and dilemma fixes to be transparently integrated into the application. These up-to-date photographs can then be installed with out disruption utilizing Cisco ISSU. • Course of action survivability: Vital procedures are operate in shielded memory place and independently of every other and the kernel, providing specific services isolation and fault containment and enabling modular patching and upgrading and swift restartability. Particular person procedures can be restarted independently without having reduction of state facts and without having impacting facts forwarding, so that immediately after an up grade or failure, procedures restart in milliseconds devoid of negatively impacting adjacent products or expert services. Procedures with huge amounts of state such as IP routing protocols are restarted employing standards-primarily based nonstop forwarding (NSF) graceful restart mechanisms other procedures use a nearby persistent storage provider (PSS) to preserve their state. • Stateful supervisor failover: Redundant supervisors are stored synchronized at all moments to make it possible for rapid stateful supervisor failover. Refined checks are in location to assist make certain that the state is steady and dependable in the course of the overall distributed architecture after failover occurs. • Reputable interprocess communication: Cisco NX-OS facilitates trustworthy communication between procedures to enable assure that all messages are sent and properly acted on for the duration of failure and adverse problems. This communication can help make certain approach synchronization and state consistency throughout procedures that may possibly be instantiated on processors distributed over multiple 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 between management and I/O module processors. • Community-centered availability: Community convergence is optimized by supplying resources and features to make each failover and fallback clear and quickly. For case in point, Cisco NX-OS supplies Spanning Tree Protocol enhancements these as Bridge Protocol Knowledge Device (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to support make certain the overall health of the Spanning Tree Protocol handle aircraft Unidirectional Backlink Detection (UDLD) Protocol NSF graceful restart of routing protocols millisecond timers for 1st-Hop Resiliency Protocol (FHRP) Shortest-Path Very first (SPF) optimizations these kinds of as weblink-state ad (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 exclusive serviceability functions to help network operators to have earlier action based on network tendencies and occasions, boosting network organizing and increasing community functions center (NOC) and vendor response periods. Sensible Contact Property, Cisco Generic On the web Diagnostics (GOLD), and Cisco Embedded Occasion Supervisor (EEM) are some of the characteristics that increase the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN attribute makes it possible for an administrator to evaluate all website traffic amongst ports (identified as the SPAN resource ports) by nonintrusively directing the SPAN session website traffic to a SPAN destination port that has an exterior analyzer hooked up to it. Encapsulated Remote SPAN (ERSPAN) will allow remote monitoring of several switches throughout the network by encapsulating SPAN website traffic into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS consists of a built-in packet analyzer to watch and troubleshoot command- and information-plane website traffic. The packet analyzer is centered on the well-known Wireshark open up source network protocol analyzer. • Wise Simply call Property: The Intelligent Contact Residence function continually monitors hardware and application elements to give electronic mail-dependent notification of important method occasions. A flexible range of concept formats is offered for optimum compatibility with pager solutions, common e mail, and XML-based mostly automatic parsing purposes. It gives inform grouping capabilities and customizable spot profiles. This characteristic can be employed, for example, to directly web page a community aid engineer, send an e mail message to a NOC, and hire Cisco AutoNotify services to right create a situation with the Cisco Technical Help Heart (TAC). This attribute is a stage toward autonomous process operation, enabling networking gadgets to inform IT when a dilemma happens and assisting guarantee that the dilemma is acted on promptly, lowering time to resolution and raising process uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic facilities to validate that components and internal info paths are running as intended. Boot-time diagnostics, steady monitoring, standby fabric loopback checks, and on-need and scheduled assessments are component of the Cisco GOLD function established. This industry-foremost diagnostics subsystem enables fast fault isolation and constant process monitoring important in today's continuously operating environments. • Cisco EEM: Cisco EEM is a highly effective device and program conduite know-how built-in into Cisco NX-OS. Cisco EEM will help customers harness the community intelligence intrinsic to the Cisco software package and allows them to customise conduct based on community functions as they transpire. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Versions five and nine exports as effectively as the Adaptable NetFlow configuration product and hardware-dependent Sampled NetFlow for enhanced scalability. In addition to Layer three NetFlow, Layer 2 NetFlow is supported.416120812