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Overall flexibility and Scalability • Software package compatibility: Cisco NX-OS interoperates with Cisco items jogging any variant of the Cisco IOS Software program functioning system. It also interoperates with any networking OS that conforms to the networking criteria detailed as supported in this knowledge sheet. • Typical software program throughout the data center: Cisco NX-OS simplifies the facts middle working environment and supplies a unified OS designed to run all parts of the information heart network, like storage, virtualization, and Layer 3 community protocols. • Modular software program style and design: Cisco NX-OS is made to help dispersed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and dispersed line-card processors. Computationally intensive duties, this kind of as components table programming, can be offloaded to dedicated processors dispersed across the line cards. Cisco NX-OS modular processes are instantiated on desire, every in a different secured memory house. As a result, processes are began and method methods allocated only when a feature is enabled. The modular procedures are ruled by a actual-time preemptive scheduler that can help ensure the timely processing of important functions. • Digital machine contexts (VDCs): Cisco NX-OS gives the capability to segment OS and hardware methods into digital contexts that emulate digital devices. Just about every VDC has its possess application processes, dedicated components resources (bodily interfaces, VLANs, routing desk dimensions, Digital Route Forwarding [VRF], etcetera.), and impartial management surroundings. VDCs are instrumental in the consolidation of different networks onto a widespread infrastructure, keeping the administrative boundary separation and fault-isolation characteristics of physically different networks while providing quite a few of the working charge added benefits of a one infrastructure. Every VDC can be restarted without having impacting the handle, knowledge, or management airplane of other VDCs in the program. • Support 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 rational extension of its mum or dad switch, the Cisco Nexus Fabric Extender inherits the features and benefits provided by the Cisco Nexus 7000 Series. The blend of the Cisco Nexus 2000 Series Fabric Extenders and Cisco Nexus 7000 Series Switches brings together the rewards of top-of-rack (ToR) and finish-of-row (EoR) network architectures, enabling knowledge centers to scale the variety of Gigabit Ethernet accessibility ports, decreasing cable runs, and cutting down conduite details in the community. Availability • Constant process operation: Cisco NX-OS offers continuous technique operation, permitting preservation, upgrades, and software certification with out services interruption. The blend of process modularity, hitless In-Provider Application Up grade (ISSU) functionality, and stateful graceful restart mitigates the effects of application upgrades and other functions. • Hitless ISSU: Hitless ISSU gives the capacity to carry out clear software program upgrades on platforms with redundant supervisors, reducing downtime and making it possible for buyers to combine the most recent attributes and capabilities with minor or no unfavorable impact on network operation. • Clean advancement of enhancements and difficulty fixes: The modularity of Cisco NX-OS makes it possible for new functions, enhancements, and issue fixes to be transparently integrated into the software. These up to date images can then be put in devoid of disruption utilizing Cisco ISSU. • Course of action survivability: Vital processes are run in protected memory room and independently of every single other and the kernel, providing detailed assistance isolation and fault containment and enabling modular patching and upgrading and rapid restartability. Particular person processes can be restarted independently with out loss of state data and with no affecting info forwarding, so that right after an update or failure, processes restart in milliseconds devoid of negatively impacting adjacent devices or providers. Processes with huge amounts of state this kind of as IP routing protocols are restarted using specifications-centered nonstop forwarding (NSF) sleek restart mechanisms other procedures use a neighborhood persistent storage provider (PSS) to retain their state. • Stateful supervisor failover: Redundant supervisors are held synchronized at all moments to help speedy stateful supervisor failover. Advanced checks are in spot to assist guarantee that the state is consistent and reliable throughout the complete dispersed architecture soon after failover occurs. • Dependable interprocess communication: Cisco NX-OS facilitates trusted communication amongst procedures to assist assure that all messages are sent and effectively acted on during failure and adverse problems. This communication will help guarantee method synchronization and state consistency throughout procedures that could be instantiated on processors dispersed about many 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 amongst management and I/O module processors. • Network-centered availability: Network convergence is optimized by offering equipment and features to make both failover and fallback transparent and quickly. For instance, Cisco NX-OS offers Spanning Tree Protocol enhancements this kind of as Bridge Protocol Info Device (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to help assure the wellness of the Spanning Tree Protocol control aircraft Unidirectional Hyperlink Detection (UDLD) Protocol NSF sleek restart of routing protocols millisecond timers for Initial-Hop Resiliency Protocol (FHRP) Shortest-Route Very first (SPF) optimizations these as weblink-state advertisement (LSA) pacing and incremental SPF IEEE 802.3ad website link aggregation with adjustable timers and Bidirectional Forwarding Detection (BFD). Serviceability • Troubleshooting and diagnostics: Cisco NX-OS is constructed with exclusive serviceability functions to permit network operators to get earlier motion primarily based on community developments and events, improving community preparing and enhancing community operations middle (NOC) and vendor response occasions. Clever Get in touch with Property, Cisco Generic Online Diagnostics (GOLD), and Cisco Embedded Occasion Manager (EEM) are some of the characteristics that improve the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN attribute makes it possible for an administrator to examine all website traffic among ports (called the SPAN resource ports) by nonintrusively directing the SPAN session visitors to a SPAN spot port that has an exterior analyzer attached to it. Encapsulated Remote SPAN (ERSPAN) will allow remote monitoring of numerous switches throughout the community by encapsulating SPAN targeted traffic into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS includes a designed-in packet analyzer to check and troubleshoot manage- and information-plane site visitors. The packet analyzer is based mostly on the well-known Wireshark open supply network protocol analyzer. • Intelligent Get in touch with Household: The Intelligent Contact Residence attribute constantly screens hardware and software package parts to supply email-centered notification of crucial method events. A adaptable variety of concept formats is available for ideal compatibility with pager providers, normal email, and XML-based automatic parsing applications. It offers inform grouping capabilities and customizable place profiles. This attribute can be applied, for example, to directly webpage a community aid engineer, send an email concept to a NOC, and hire Cisco AutoNotify services to straight crank out a case with the Cisco Technical Assistance Middle (TAC). This function is a stage toward autonomous system operation, enabling networking gadgets to inform IT when a issue happens and aiding assure that the problem is acted on rapidly, reducing time to resolution and growing program uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic services to confirm that components and inside information paths are running as designed. Boot-time diagnostics, steady monitoring, standby fabric loopback checks, and on-desire and scheduled tests are element of the Cisco GOLD function established. This business-top diagnostics subsystem permits rapid fault isolation and constant program monitoring important in today's continuously functioning environments. • Cisco EEM: Cisco EEM is a strong gadget and technique administration engineering built-in into Cisco NX-OS. Cisco EEM aids buyers harness the community intelligence intrinsic to the Cisco application and enables them to customize conduct based mostly on network gatherings as they take place. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Versions five and nine exports as effectively as the Adaptable NetFlow configuration design and hardware-dependent Sampled NetFlow for enhanced scalability. In addition to Layer three NetFlow, Layer two NetFlow is supported.416120812