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Flexibility and Scalability • Software package compatibility: Cisco NX-OS interoperates with Cisco items operating any variant of the Cisco IOS Software program functioning program. It also interoperates with any networking OS that conforms to the networking expectations detailed as supported in this knowledge sheet. • Prevalent software during the information middle: Cisco NX-OS simplifies the facts middle functioning surroundings and offers a unified OS designed to operate all regions of the facts center community, including storage, virtualization, and Layer 3 community protocols. • Modular software program design and style: Cisco NX-OS is developed to assist distributed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and dispersed line-card processors. Computationally intensive jobs, this kind of as components desk programming, can be offloaded to focused processors distributed throughout the line cards. Cisco NX-OS modular procedures are instantiated on need, each in a separate protected memory place. Therefore, processes are started out and process assets allocated only when a attribute is enabled. The modular procedures are ruled by a true-time preemptive scheduler that helps guarantee the well timed processing of crucial functions. • Digital device contexts (VDCs): Cisco NX-OS provides the ability to segment OS and components means into digital contexts that emulate digital products. Just about every VDC has its personal software program procedures, dedicated components resources (bodily interfaces, VLANs, routing table size, Virtual Route Forwarding [VRF], etcetera.), and impartial conduite setting. VDCs are instrumental in the consolidation of individual networks onto a common infrastructure, keeping the administrative boundary separation and fault-isolation attributes of bodily independent networks while delivering a lot of of the working price added benefits of a one infrastructure. Just about every VDC can be restarted without affecting the management, knowledge, or conduite airplane of other VDCs in the process. • Help 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. Due to the fact it is a reasonable extension of its guardian switch, the Cisco Nexus Fabric Extender inherits the functions and advantages offered by the Cisco Nexus 7000 Series. The blend of the Cisco Nexus 2000 Series Fabric Extenders and Cisco Nexus 7000 Series Switches moyen the rewards of leading-of-rack (ToR) and end-of-row (EoR) community architectures, enabling info centers to scale the range of Gigabit Ethernet access ports, minimizing cable runs, and minimizing administration factors in the network. Availability • Ongoing process operation: Cisco NX-OS gives steady method operation, permitting preservation, upgrades, and software package certification without provider interruption. The mixture of method modularity, hitless In-Services Software Up grade (ISSU) functionality, and stateful swish restart mitigates the effects of application upgrades and other functions. • Hitless ISSU: Hitless ISSU provides the functionality to complete clear software package upgrades on platforms with redundant supervisors, decreasing downtime and making it possible for customers to combine the latest functions and capabilities with small or no detrimental result on community operation. • Smooth improvement of enhancements and difficulty fixes: The modularity of Cisco NX-OS will allow new functions, enhancements, and problem fixes to be transparently integrated into the application. These up-to-date pictures can then be set up with out disruption making use of Cisco ISSU. • Process survivability: Crucial processes are operate in protected memory area and independently of every single other and the kernel, providing comprehensive assistance isolation and fault containment and enabling modular patching and upgrading and fast restartability. Specific procedures can be restarted independently with no reduction of state data and with out affecting info forwarding, so that right after an up grade or failure, procedures restart in milliseconds without having negatively impacting adjacent devices or solutions. Processes with large quantities of state this sort of as IP routing protocols are restarted utilizing standards-primarily based nonstop forwarding (NSF) sleek restart mechanisms other procedures use a nearby persistent storage assistance (PSS) to preserve their state. • Stateful supervisor failover: Redundant supervisors are kept synchronized at all instances to make it possible for swift stateful supervisor failover. Complex checks are in spot to help make sure that the state is steady and dependable in the course of the complete dispersed architecture after failover takes place. • Reputable interprocess communication: Cisco NX-OS facilitates trustworthy communication among procedures to aid guarantee that all messages are sent and correctly acted on in the course of failure and adverse conditions. This communication will help guarantee process synchronization and state consistency across processes that may well be instantiated on processors distributed above 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 between management and I/O module processors. • Network-centered availability: Network convergence is optimized by delivering instruments and features to make equally failover and fallback transparent and quickly. For case in point, Cisco NX-OS provides Spanning Tree Protocol enhancements this kind of as Bridge Protocol Knowledge Unit (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to assist make certain the well being of the Spanning Tree Protocol handle aircraft Unidirectional Link Detection (UDLD) Protocol NSF graceful restart of routing protocols millisecond timers for Very first-Hop Resiliency Protocol (FHRP) Shortest-Route Very first (SPF) optimizations these as weblink-state advertisement (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 created with one of a kind serviceability features to enable community operators to have earlier action dependent on community tendencies and occasions, boosting network arranging and increasing community functions heart (NOC) and vendor response moments. Sensible Contact Residence, Cisco Generic On the web Diagnostics (GOLD), and Cisco Embedded Celebration Manager (EEM) are some of the functions that enhance the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN function makes it possible for an administrator to review all visitors among ports (referred to as the SPAN supply ports) by nonintrusively directing the SPAN session visitors to a SPAN destination port that has an exterior analyzer connected to it. Encapsulated Remote SPAN (ERSPAN) permits remote monitoring of many switches throughout the network by encapsulating SPAN site visitors into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS includes a developed-in packet analyzer to watch and troubleshoot command- and data-plane traffic. The packet analyzer is primarily based on the popular Wireshark open up source community protocol analyzer. • Smart Contact Household: The Wise Call Residence characteristic constantly monitors components and software factors to offer e-mail-based mostly notification of vital system functions. A adaptable array of concept formats is available for optimum compatibility with pager providers, normal e-mail, and XML-centered automatic parsing apps. It delivers alert grouping abilities and customizable vacation spot profiles. This element can be utilized, for case in point, to right page a network help engineer, send an electronic mail message to a NOC, and employ Cisco AutoNotify solutions to directly make a circumstance with the Cisco Technical Guidance Heart (TAC). This feature is a phase towards autonomous method operation, enabling networking products to inform IT when a problem happens and assisting ensure that the dilemma is acted on swiftly, lowering time to resolution and raising technique uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic services to confirm that hardware and inner data paths are running as intended. Boot-time diagnostics, ongoing monitoring, standby fabric loopback exams, and on-need and scheduled checks are aspect of the Cisco GOLD characteristic set. This industry-top diagnostics subsystem will allow fast fault isolation and continuous process monitoring vital in today's repeatedly operating environments. • Cisco EEM: Cisco EEM is a effective device and method management technologies integrated into Cisco NX-OS. Cisco EEM aids prospects harness the community intelligence intrinsic to the Cisco software and permits them to personalize habits dependent on network activities as they happen. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variants 5 and nine exports as well as the Versatile NetFlow configuration product and hardware-primarily based Sampled NetFlow for enhanced scalability. In addition to Layer three NetFlow, Layer two NetFlow is supported.416120812