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Versatility and Scalability • Software program compatibility: Cisco NX-OS interoperates with Cisco goods working any variant of the Cisco IOS Software package working method. It also interoperates with any networking OS that conforms to the networking expectations detailed as supported in this knowledge sheet. • Frequent software package in the course of the knowledge heart: Cisco NX-OS simplifies the knowledge middle operating atmosphere and delivers a unified OS made to run all areas of the facts center network, like storage, virtualization, and Layer 3 community protocols. • Modular computer software layout: Cisco NX-OS is created to aid distributed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and distributed line-card processors. Computationally intensive tasks, this sort of as components desk programming, can be offloaded to devoted processors dispersed throughout the line cards. Cisco NX-OS modular processes are instantiated on desire, each and every in a separate guarded memory room. As a result, processes are began and system means allocated only when a attribute is enabled. The modular processes are governed by a actual-time preemptive scheduler that assists make certain the well timed processing of crucial functions. • Virtual unit contexts (VDCs): Cisco NX-OS offers the functionality to section OS and hardware means into virtual contexts that emulate digital units. Each VDC has its own software program processes, dedicated hardware resources (bodily interfaces, VLANs, routing table dimensions, Virtual Route Forwarding [VRF], and so on.), and unbiased management natural environment. VDCs are instrumental in the consolidation of different networks onto a common infrastructure, retaining the administrative boundary separation and fault-isolation characteristics of physically separate networks although delivering several of the operating cost advantages of a solitary infrastructure. Just about every VDC can be restarted without impacting the control, info, or administration airplane of other VDCs in the system. • Assistance for Cisco Nexus Fabric Extender: The Cisco Nexus 7000 Series Switch can act as the mother or father 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 rewards supplied by the Cisco Nexus 7000 Series. The mix of the Cisco Nexus 2000 Series Fabric Extenders and Cisco Nexus 7000 Series Switches moyen the added benefits of prime-of-rack (ToR) and conclusion-of-row (EoR) community architectures, enabling information facilities to scale the range of Gigabit Ethernet access ports, lowering cable runs, and lowering administration details in the community. Availability • Continuous system operation: Cisco NX-OS supplies continuous system operation, permitting maintenance, upgrades, and software program certification with no support interruption. The mixture of approach modularity, hitless In-Services Software package Up grade (ISSU) capability, and stateful graceful restart mitigates the outcomes of software upgrades and other operations. • Hitless ISSU: Hitless ISSU supplies the capability to perform transparent computer software upgrades on platforms with redundant supervisors, reducing downtime and letting buyers to integrate the newest capabilities and features with very little or no adverse impact on community operation. • Sleek advancement of enhancements and difficulty fixes: The modularity of Cisco NX-OS permits new characteristics, enhancements, and issue fixes to be transparently integrated into the computer software. These up to date images can then be set up with no disruption using Cisco ISSU. • Approach survivability: Critical processes are run in guarded memory space and independently of every single other and the kernel, providing in depth service isolation and fault containment and enabling modular patching and upgrading and swift restartability. Individual processes can be restarted independently with out reduction of state details and devoid of affecting knowledge forwarding, so that following an upgrade or failure, processes restart in milliseconds with no negatively affecting adjacent units or companies. Processes with large quantities of state these as IP routing protocols are restarted making use of expectations-primarily based nonstop forwarding (NSF) swish restart mechanisms other processes use a local persistent storage provider (PSS) to maintain their state. • Stateful supervisor failover: Redundant supervisors are stored synchronized at all moments to permit quick stateful supervisor failover. Advanced checks are in location to aid make sure that the state is consistent and reliable through the overall dispersed architecture after failover takes place. • Dependable interprocess communication: Cisco NX-OS facilitates trusted communication among processes to enable assure that all messages are sent and appropriately acted on for the duration of failure and adverse situations. This communication will help guarantee procedure synchronization and state consistency throughout procedures that may be instantiated on processors distributed about many supervisors and I/O modules. • Redundant switched Ethernet out-of-band channels (EOBCs): Cisco NX-OS can make entire use of redundant EOBCs for communication between management and I/O module processors. • Network-centered availability: Network convergence is optimized by delivering resources and features to make each failover and fallback transparent and quickly. For example, Cisco NX-OS gives Spanning Tree Protocol enhancements such as Bridge Protocol Facts Device (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to enable assure the overall health of the Spanning Tree Protocol manage airplane Unidirectional Weblink Detection (UDLD) Protocol NSF swish restart of routing protocols millisecond timers for 1st-Hop Resiliency Protocol (FHRP) Shortest-Route Very first (SPF) optimizations such as hyperlink-state advertisement (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 unique serviceability functions to allow community operators to require earlier action centered on network developments and events, improving network setting up and strengthening network operations center (NOC) and vendor reaction occasions. Intelligent Simply call Residence, Cisco Generic On the net Diagnostics (GOLD), and Cisco Embedded Event Supervisor (EEM) are some of the features that improve the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN attribute permits an administrator to review all traffic in between ports (identified as the SPAN supply ports) by nonintrusively directing the SPAN session traffic to a SPAN destination port that has an external analyzer attached to it. Encapsulated Remote SPAN (ERSPAN) allows remote monitoring of several switches throughout the community by encapsulating SPAN targeted traffic into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS incorporates a developed-in packet analyzer to keep an eye on and troubleshoot manage- and data-aircraft website traffic. The packet analyzer is primarily based on the well-known Wireshark open up source network protocol analyzer. • Wise Get in touch with Residence: The Clever Phone Home function repeatedly screens hardware and software elements to supply e mail-based notification of essential process gatherings. A adaptable assortment of message formats is readily available for optimal compatibility with pager companies, regular e mail, and XML-primarily based automated parsing apps. It delivers inform grouping abilities and customizable place profiles. This feature can be employed, for illustration, to directly page a community help engineer, deliver an email concept to a NOC, and utilize Cisco AutoNotify solutions to directly make a scenario with the Cisco Technical Support Center (TAC). This function is a action toward autonomous technique operation, enabling networking products to inform IT when a dilemma occurs and supporting make certain that the challenge is acted on promptly, decreasing time to resolution and increasing system uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic amenities to confirm that components and inner data paths are working as intended. Boot-time diagnostics, steady monitoring, standby fabric loopback exams, and on-need and scheduled tests are component of the Cisco GOLD feature established. This market-top diagnostics subsystem allows swift fault isolation and steady method monitoring crucial in today's continually running environments. • Cisco EEM: Cisco EEM is a effective gadget and program administration technologies built-in into Cisco NX-OS. Cisco EEM will help consumers harness the network intelligence intrinsic to the Cisco application and permits them to customize conduct based mostly on network occasions as they happen. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variations five and 9 exports as properly as the Versatile NetFlow configuration product and components-based mostly Sampled NetFlow for enhanced scalability. In addition to Layer 3 NetFlow, Layer two NetFlow is supported.416120812