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Versatility and Scalability • Software program compatibility: Cisco NX-OS interoperates with Cisco products running any variant of the Cisco IOS Software program functioning system. It also interoperates with any networking OS that conforms to the networking criteria listed as supported in this info sheet. • Frequent software program during the information heart: Cisco NX-OS simplifies the knowledge center working environment and offers a unified OS created to run all regions of the data center community, such as storage, virtualization, and Layer three network protocols. • Modular computer software style: Cisco NX-OS is created to assist dispersed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and dispersed line-card processors. Computationally intensive projects, these kinds of as components table programming, can be offloaded to committed processors dispersed throughout the line cards. Cisco NX-OS modular procedures are instantiated on desire, each in a different protected memory space. Thus, processes are started off and system resources allocated only when a element is enabled. The modular procedures are ruled by a authentic-time preemptive scheduler that helps make certain the timely processing of crucial features. • Digital gadget contexts (VDCs): Cisco NX-OS provides the functionality to section OS and hardware resources into digital contexts that emulate virtual devices. Each and every VDC has its very own software package procedures, dedicated hardware sources (bodily interfaces, VLANs, routing table dimensions, Digital Route Forwarding [VRF], and many others.), and independent management atmosphere. VDCs are instrumental in the consolidation of separate networks onto a prevalent infrastructure, sustaining the administrative boundary separation and fault-isolation features of bodily different networks whilst supplying many of the running expense added benefits of a single infrastructure. Each and every VDC can be restarted with no affecting the handle, information, or management aircraft of other VDCs in the program. • Support for Cisco Nexus Fabric Extender: The Cisco Nexus 7000 Series Switch can act as the parent 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 reasonable extension of its mum or dad switch, the Cisco Nexus Fabric Extender inherits the features and added benefits made available by the Cisco Nexus 7000 Series. The blend of the Cisco Nexus 2000 Series Fabric Extenders and Cisco Nexus 7000 Series Switches combines the benefits of top-of-rack (ToR) and finish-of-row (EoR) network architectures, enabling info facilities to scale the number of Gigabit Ethernet accessibility ports, reducing cable runs, and decreasing management factors in the network. Availability • Steady system operation: Cisco NX-OS provides constant program operation, permitting servicing, upgrades, and software program certification with out assistance interruption. The blend of approach modularity, hitless In-Assistance Application Improve (ISSU) capability, and stateful graceful restart mitigates the effects of software program upgrades and other operations. • Hitless ISSU: Hitless ISSU gives the ability to carry out clear application upgrades on platforms with redundant supervisors, reducing downtime and allowing clients to combine the most recent capabilities and functions with tiny or no damaging outcome on community operation. • Easy advancement of enhancements and issue fixes: The modularity of Cisco NX-OS enables new features, enhancements, and issue fixes to be transparently integrated into the software. These updated photos can then be put in with no disruption using Cisco ISSU. • Course of action survivability: Essential procedures are run in safeguarded memory area and independently of every single other and the kernel, supplying comprehensive services isolation and fault containment and enabling modular patching and upgrading and fast restartability. Personal processes can be restarted independently devoid of reduction of state facts and with no affecting info forwarding, so that soon after an up grade or failure, processes restart in milliseconds without having negatively impacting adjacent products or solutions. Processes with big amounts of state this sort of as IP routing protocols are restarted using specifications-based mostly nonstop forwarding (NSF) graceful restart mechanisms other procedures use a local persistent storage service (PSS) to maintain their state. • Stateful supervisor failover: Redundant supervisors are held synchronized at all occasions to enable quick stateful supervisor failover. Advanced checks are in place to help assure that the state is reliable and trustworthy during the entire dispersed architecture right after failover occurs. • Reputable interprocess communication: Cisco NX-OS facilitates dependable communication among processes to enable ensure that all messages are delivered and properly acted on in the course of failure and adverse conditions. This communication can help make sure approach synchronization and state consistency across processes that might be instantiated on processors dispersed about several supervisors and I/O modules. • Redundant switched Ethernet out-of-band channels (EOBCs): Cisco NX-OS can make total use of redundant EOBCs for communication between command and I/O module processors. • Network-based availability: Network convergence is optimized by giving tools and features to make equally failover and fallback clear and fast. For case in point, Cisco NX-OS gives Spanning Tree Protocol enhancements this kind of as Bridge Protocol Knowledge Device (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to enable assure the health of the Spanning Tree Protocol control plane Unidirectional Link Detection (UDLD) Protocol NSF sleek restart of routing protocols millisecond timers for Very first-Hop Resiliency Protocol (FHRP) Shortest-Path Initially (SPF) optimizations this kind of as weblink-state ad (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 built with distinctive serviceability functions to enable community operators to have early action centered on network tendencies and events, improving community setting up and improving community operations middle (NOC) and vendor response occasions. Sensible Simply call Residence, Cisco Generic On-line Diagnostics (GOLD), and Cisco Embedded Event Manager (EEM) are some of the characteristics that increase the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN characteristic permits an administrator to evaluate all targeted traffic among ports (named the SPAN resource ports) by nonintrusively directing the SPAN session targeted traffic to a SPAN vacation spot port that has an external analyzer hooked up to it. Encapsulated Remote SPAN (ERSPAN) makes it possible for remote monitoring of several switches across the network by encapsulating SPAN traffic into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS includes a created-in packet analyzer to monitor and troubleshoot management- and information-plane website traffic. The packet analyzer is based mostly on the preferred Wireshark open up source network protocol analyzer. • Sensible Phone Household: The Wise Phone Property function repeatedly screens hardware and software factors to offer e mail-primarily based notification of important program occasions. A adaptable selection of concept formats is obtainable for optimal compatibility with pager solutions, regular e mail, and XML-based mostly automated parsing apps. It presents alert grouping abilities and customizable vacation spot profiles. This function can be used, for case in point, to immediately page a network assist engineer, ship an e-mail message to a NOC, and make use of Cisco AutoNotify companies to directly produce a circumstance with the Cisco Technical Guidance Center (TAC). This attribute is a stage toward autonomous program operation, enabling networking units to inform IT when a problem happens and aiding make sure that the challenge is acted on quickly, cutting down time to resolution and raising program uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic amenities to confirm that hardware and internal info paths are working as developed. Boot-time diagnostics, constant monitoring, standby fabric loopback exams, and on-demand and scheduled assessments are component of the Cisco GOLD feature set. This sector-leading diagnostics subsystem enables swift fault isolation and constant technique monitoring critical in today's repeatedly working environments. • Cisco EEM: Cisco EEM is a strong system and process management know-how built-in into Cisco NX-OS. Cisco EEM helps buyers harness the community intelligence intrinsic to the Cisco computer software and allows them to personalize behavior dependent on network events as they take place. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variations 5 and nine exports as well as the Adaptable NetFlow configuration design and hardware-based Sampled NetFlow for increased scalability. In addition to Layer 3 NetFlow, Layer two NetFlow is supported.416120812