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Overall flexibility and Scalability • Application compatibility: Cisco NX-OS interoperates with Cisco merchandise working any variant of the Cisco IOS Computer software working technique. It also interoperates with any networking OS that conforms to the networking standards listed as supported in this facts sheet. • Frequent computer software throughout the knowledge middle: Cisco NX-OS simplifies the knowledge center functioning surroundings and delivers a unified OS created to run all places of the information middle community, like storage, virtualization, and Layer three network protocols. • Modular software style: Cisco NX-OS is created to assist dispersed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and distributed line-card processors. Computationally intensive tasks, these kinds of as hardware desk programming, can be offloaded to dedicated processors distributed across the line cards. Cisco NX-OS modular procedures are instantiated on desire, every single in a individual guarded memory place. Therefore, procedures are began and technique assets allocated only when a characteristic is enabled. The modular procedures are governed by a genuine-time preemptive scheduler that helps guarantee the well timed processing of vital capabilities. • Virtual system contexts (VDCs): Cisco NX-OS offers the capacity to segment OS and components assets into virtual contexts that emulate digital devices. Each and every VDC has its possess application processes, committed components methods (bodily interfaces, VLANs, routing desk dimensions, Virtual Route Forwarding [VRF], and many others.), and unbiased conduite setting. VDCs are instrumental in the consolidation of independent networks onto a frequent infrastructure, retaining the administrative boundary separation and fault-isolation traits of physically separate networks whilst delivering a lot of of the running expense rewards of a simple infrastructure. Each VDC can be restarted without impacting the management, info, or administration airplane of other VDCs in the method. • 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. Due to the fact it is a reasonable extension of its mother or father switch, the Cisco Nexus Fabric Extender inherits the capabilities and added benefits presented by the Cisco Nexus 7000 Series. The mixture of the Cisco Nexus 2000 Series Fabric Extenders and Cisco Nexus 7000 Series Switches brings together the added benefits of leading-of-rack (ToR) and finish-of-row (EoR) community architectures, enabling data facilities to scale the range of Gigabit Ethernet entry ports, cutting down cable runs, and reducing management points in the community. Availability • Continuous process operation: Cisco NX-OS delivers steady program operation, permitting routine maintenance, upgrades, and software package certification with out services interruption. The mix of process modularity, hitless In-Assistance Software program Upgrade (ISSU) ability, and stateful graceful restart mitigates the effects of software program upgrades and other functions. • Hitless ISSU: Hitless ISSU offers the capability to execute transparent computer software upgrades on platforms with redundant supervisors, reducing downtime and allowing clients to combine the most recent attributes and capabilities with small or no unfavorable outcome on community operation. • Sleek improvement of enhancements and difficulty fixes: The modularity of Cisco NX-OS enables new functions, enhancements, and dilemma fixes to be transparently integrated into the computer software. These up to date pictures can then be mounted devoid of disruption making use of Cisco ISSU. • Approach survivability: Vital procedures are operate in secured memory house and independently of every other and the kernel, delivering thorough 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 data and without impacting knowledge forwarding, so that following an improve or failure, processes restart in milliseconds with no negatively impacting adjacent devices or solutions. Procedures with large amounts of state these kinds of as IP routing protocols are restarted utilizing requirements-primarily based nonstop forwarding (NSF) swish restart mechanisms other processes use a nearby persistent storage assistance (PSS) to maintain their state. • Stateful supervisor failover: Redundant supervisors are stored synchronized at all occasions to permit swift stateful supervisor failover. Advanced checks are in place to help guarantee that the state is reliable and reputable through the overall distributed architecture right after failover occurs. • Trustworthy interprocess communication: Cisco NX-OS facilitates trusted communication in between procedures to enable guarantee that all messages are delivered and correctly acted on throughout failure and adverse situations. This communication can help ensure process synchronization and state consistency across procedures that may possibly be instantiated on processors distributed in excess of multiple 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 command and I/O module processors. • Community-based availability: Community convergence is optimized by delivering equipment and features to make both equally failover and fallback transparent and fast. For example, Cisco NX-OS supplies Spanning Tree Protocol enhancements such as Bridge Protocol Facts Device (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to enable make certain the health of the Spanning Tree Protocol manage aircraft Unidirectional Weblink Detection (UDLD) Protocol NSF graceful restart of routing protocols millisecond timers for 1st-Hop Resiliency Protocol (FHRP) Shortest-Path First (SPF) optimizations these as hyperlink-state advertisement (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 developed with distinctive serviceability features to allow community operators to require early action primarily based on network trends and functions, improving community organizing and strengthening network operations middle (NOC) and vendor reaction moments. Clever Get in touch with Property, Cisco Generic On the web Diagnostics (GOLD), and Cisco Embedded Function Supervisor (EEM) are some of the functions that increase the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN characteristic will allow an administrator to analyze all visitors amongst ports (identified as the SPAN resource ports) by nonintrusively directing the SPAN session targeted traffic to a SPAN location port that has an external analyzer attached to it. Encapsulated Remote SPAN (ERSPAN) will allow remote monitoring of many switches across the community by encapsulating SPAN traffic into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS involves a constructed-in packet analyzer to keep track of and troubleshoot management- and info-airplane targeted traffic. The packet analyzer is based on the preferred Wireshark open supply community protocol analyzer. • Sensible Phone Home: The Smart Phone Residence element constantly monitors hardware and software package components to present electronic mail-centered notification of important system functions. A versatile selection of concept formats is obtainable for ideal compatibility with pager solutions, regular e mail, and XML-primarily based automatic parsing applications. It offers inform grouping capabilities and customizable location profiles. This element can be applied, for illustration, to straight page a network support engineer, send an e mail concept to a NOC, and utilize Cisco AutoNotify companies to straight crank out a scenario with the Cisco Technical Guidance Heart (TAC). This element is a move toward autonomous process operation, enabling networking gadgets to inform IT when a problem takes place and supporting assure that the issue is acted on rapidly, reducing time to resolution and growing system uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic services to confirm that components and internal facts paths are operating as developed. Boot-time diagnostics, continuous monitoring, standby fabric loopback checks, and on-desire and scheduled exams are aspect of the Cisco GOLD characteristic set. This sector-foremost diagnostics subsystem makes it possible for quick fault isolation and ongoing system monitoring crucial in today's repeatedly functioning environments. • Cisco EEM: Cisco EEM is a potent system and program conduite engineering integrated into Cisco NX-OS. Cisco EEM can help prospects harness the network intelligence intrinsic to the Cisco computer software and permits them to customise behavior dependent on community activities as they come about. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variations five and 9 exports as effectively as the Versatile NetFlow configuration design and components-dependent Sampled NetFlow for enhanced scalability. In addition to Layer three NetFlow, Layer two NetFlow is supported.416120812