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Flexibility and Scalability • Computer software compatibility: Cisco NX-OS interoperates with Cisco solutions jogging any variant of the Cisco IOS Software running method. It also interoperates with any networking OS that conforms to the networking expectations listed as supported in this facts sheet. • Prevalent software through the information center: Cisco NX-OS simplifies the data heart working setting and provides a unified OS intended to operate all regions of the info center community, which includes storage, virtualization, and Layer three community protocols. • Modular software package design and style: Cisco NX-OS is designed to assistance distributed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and distributed line-card processors. Computationally intensive projects, this sort of as hardware desk programming, can be offloaded to devoted processors dispersed throughout the line cards. Cisco NX-OS modular procedures are instantiated on desire, each and every in a individual secured memory space. Consequently, procedures are started off and technique resources allocated only when a characteristic is enabled. The modular procedures are ruled by a genuine-time preemptive scheduler that will help guarantee the timely processing of crucial functions. • Virtual system contexts (VDCs): Cisco NX-OS delivers the functionality to segment OS and hardware sources into virtual contexts that emulate virtual gadgets. Just about every VDC has its personal application procedures, dedicated hardware assets (physical interfaces, VLANs, routing table measurement, Digital Route Forwarding [VRF], etcetera.), and independent conduite setting. VDCs are instrumental in the consolidation of different networks onto a widespread infrastructure, maintaining the administrative boundary separation and fault-isolation characteristics of bodily separate networks though offering several of the working price positive aspects of a single infrastructure. Every VDC can be restarted devoid of impacting the manage, knowledge, or conduite plane of other VDCs in the program. • Assistance 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. Since it is a rational extension of its parent switch, the Cisco Nexus Fabric Extender inherits the features and advantages supplied by the Cisco Nexus 7000 Series. The mixture of the Cisco Nexus 2000 Series Fabric Extenders and Cisco Nexus 7000 Series Switches moyen the advantages of prime-of-rack (ToR) and end-of-row (EoR) network architectures, enabling info centers to scale the quantity of Gigabit Ethernet entry ports, decreasing cable runs, and cutting down conduite factors in the network. Availability • Steady method operation: Cisco NX-OS offers steady system operation, permitting upkeep, upgrades, and software program certification without service interruption. The blend of approach modularity, hitless In-Services Application Improve (ISSU) functionality, and stateful sleek restart mitigates the outcomes of software package upgrades and other functions. • Hitless ISSU: Hitless ISSU delivers the functionality to accomplish clear application upgrades on platforms with redundant supervisors, reducing downtime and enabling consumers to integrate the newest attributes and functions with very little or no negative result on community operation. • Smooth enhancement of enhancements and challenge fixes: The modularity of Cisco NX-OS enables new functions, enhancements, and problem fixes to be transparently built-in into the software program. These updated pictures can then be mounted with no disruption making use of Cisco ISSU. • Method survivability: Important procedures are run in protected memory room and independently of just about every other and the kernel, delivering comprehensive services isolation and fault containment and enabling modular patching and upgrading and quick restartability. Specific procedures can be restarted independently with out loss of state info and without having affecting information forwarding, so that right after an improve or failure, procedures restart in milliseconds with no negatively impacting adjacent gadgets or companies. Procedures with large quantities of state these as IP routing protocols are restarted employing standards-centered nonstop forwarding (NSF) graceful restart mechanisms other processes use a local persistent storage service (PSS) to retain their state. • Stateful supervisor failover: Redundant supervisors are stored synchronized at all instances to permit rapid stateful supervisor failover. Complex checks are in spot to help make certain that the state is steady and trusted all through the overall dispersed architecture following failover happens. • Dependable interprocess communication: Cisco NX-OS facilitates trusted communication involving processes to enable assure that all messages are delivered and appropriately acted on for the duration of failure and adverse conditions. This communication aids guarantee method synchronization and state consistency throughout procedures that may well be instantiated on processors distributed more than 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 involving command and I/O module processors. • Community-centered availability: Network convergence is optimized by offering applications and functions to make both equally failover and fallback clear and rapidly. For instance, Cisco NX-OS offers Spanning Tree Protocol enhancements these kinds of as Bridge Protocol Knowledge Unit (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to aid assure the health of the Spanning Tree Protocol command plane Unidirectional Backlink Detection (UDLD) Protocol NSF swish restart of routing protocols millisecond timers for First-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 link aggregation with adjustable timers and Bidirectional Forwarding Detection (BFD). Serviceability • Troubleshooting and diagnostics: Cisco NX-OS is constructed with exclusive serviceability capabilities to make it possible for community operators to get early motion centered on network trends and occasions, maximizing community preparing and enhancing network functions center (NOC) and vendor response occasions. Smart Call Property, Cisco Generic Online Diagnostics (GOLD), and Cisco Embedded Event Supervisor (EEM) are some of the characteristics that increase the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN attribute will allow an administrator to review all traffic involving ports (referred to as the SPAN source ports) by nonintrusively directing the SPAN session visitors to a SPAN location port that has an external analyzer attached to it. Encapsulated Remote SPAN (ERSPAN) will allow remote monitoring of several switches across the community by encapsulating SPAN website traffic into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS involves a designed-in packet analyzer to watch and troubleshoot command- and facts-plane targeted traffic. The packet analyzer is dependent on the well-known Wireshark open up source network protocol analyzer. • Intelligent Simply call Residence: The Wise Phone House feature repeatedly monitors hardware and application parts to provide electronic mail-based notification of essential process activities. A adaptable range of concept formats is offered for optimal compatibility with pager services, standard e mail, and XML-dependent automated parsing applications. It provides notify grouping capabilities and customizable location profiles. This attribute can be used, for instance, to right webpage a network help engineer, ship an electronic mail concept to a NOC, and hire Cisco AutoNotify services to straight make a case with the Cisco Technical Assistance Heart (TAC). This element is a move toward autonomous system operation, enabling networking products to inform IT when a difficulty takes place and assisting make certain that the challenge is acted on swiftly, minimizing time to resolution and escalating process uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic facilities to validate that hardware and inner knowledge paths are running as designed. Boot-time diagnostics, continuous monitoring, standby fabric loopback exams, and on-need and scheduled tests are element of the Cisco GOLD feature set. This industry-primary diagnostics subsystem allows quick fault isolation and constant system monitoring crucial in today's continually operating environments. • Cisco EEM: Cisco EEM is a powerful machine and technique administration engineering integrated into Cisco NX-OS. Cisco EEM assists prospects harness the network intelligence intrinsic to the Cisco software program and permits them to personalize conduct centered on network occasions as they occur. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variants five and nine exports as properly as the Flexible NetFlow configuration model and components-based mostly Sampled NetFlow for enhanced scalability. In addition to Layer three NetFlow, Layer two NetFlow is supported.416120812