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Versatility and Scalability • Software program compatibility: Cisco NX-OS interoperates with Cisco merchandise jogging any variant of the Cisco IOS Software operating technique. It also interoperates with any networking OS that conforms to the networking expectations listed as supported in this information sheet. • Typical software through the facts center: Cisco NX-OS simplifies the knowledge middle operating environment and provides a unified OS intended to run all places of the information heart community, like storage, virtualization, and Layer three network protocols. • Modular software program style and design: Cisco NX-OS is designed to support dispersed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and distributed line-card processors. Computationally intensive projects, this sort of as hardware desk programming, can be offloaded to dedicated processors distributed throughout the line cards. Cisco NX-OS modular processes are instantiated on desire, each and every in a separate secured memory place. Thus, procedures are started off and method resources allotted only when a function is enabled. The modular processes are ruled by a genuine-time preemptive scheduler that will help make certain the timely processing of essential features. • Digital unit contexts (VDCs): Cisco NX-OS offers the capacity to phase OS and components assets into virtual contexts that emulate virtual devices. Each VDC has its possess application processes, committed components methods (bodily interfaces, VLANs, routing table dimensions, Virtual Route Forwarding [VRF], and so forth.), and impartial conduite setting. VDCs are instrumental in the consolidation of individual networks onto a prevalent infrastructure, retaining the administrative boundary separation and fault-isolation features of physically independent networks even though offering numerous of the working cost advantages of a single infrastructure. Every single VDC can be restarted with no impacting the handle, information, or management plane of other VDCs in the program. • Help 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. Because it is a reasonable extension of its parent switch, the Cisco Nexus Fabric Extender inherits the features and advantages offered by the Cisco Nexus 7000 Series. The combination of the Cisco Nexus 2000 Series Fabric Extenders and Cisco Nexus 7000 Series Switches combines the advantages of leading-of-rack (ToR) and conclude-of-row (EoR) network architectures, enabling data facilities to scale the quantity of Gigabit Ethernet access ports, minimizing cable runs, and decreasing administration details in the community. Availability • Constant method operation: Cisco NX-OS gives continuous method operation, permitting maintenance, upgrades, and application certification without services interruption. The mix of approach modularity, hitless In-Service Application Up grade (ISSU) capability, and stateful sleek restart mitigates the consequences of software program upgrades and other operations. • Hitless ISSU: Hitless ISSU provides the capability to accomplish transparent software package upgrades on platforms with redundant supervisors, decreasing downtime and making it possible for prospects to integrate the newest characteristics and capabilities with small or no adverse impact on community operation. • Easy advancement of enhancements and issue fixes: The modularity of Cisco NX-OS will allow new capabilities, enhancements, and issue fixes to be transparently integrated into the application. These up to date photographs can then be installed without disruption employing Cisco ISSU. • Process survivability: Essential procedures are operate in protected memory place and independently of every single other and the kernel, offering detailed assistance isolation and fault containment and enabling modular patching and upgrading and swift restartability. Specific processes can be restarted independently without having decline of state details and without affecting info forwarding, so that right after an upgrade or failure, procedures restart in milliseconds devoid of negatively affecting adjacent gadgets or providers. Procedures with significant quantities of state these kinds of as IP routing protocols are restarted employing requirements-based mostly nonstop forwarding (NSF) graceful restart mechanisms other processes use a neighborhood persistent storage provider (PSS) to retain their state. • Stateful supervisor failover: Redundant supervisors are kept synchronized at all periods to help rapid stateful supervisor failover. Innovative checks are in spot to aid make sure that the state is regular and trusted all through the whole distributed architecture following failover happens. • Trustworthy interprocess communication: Cisco NX-OS facilitates trustworthy communication among procedures to assist make certain that all messages are sent and adequately acted on for the duration of failure and adverse situations. This communication aids make sure approach synchronization and state consistency across processes that might be instantiated on processors distributed about numerous supervisors and I/O modules. • Redundant switched Ethernet out-of-band channels (EOBCs): Cisco NX-OS can make complete use of redundant EOBCs for communication among command and I/O module processors. • Network-based availability: Community convergence is optimized by giving tools and capabilities to make both equally failover and fallback clear and rapidly. For instance, Cisco NX-OS offers Spanning Tree Protocol enhancements these kinds of as Bridge Protocol Data Device (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to support guarantee the well being of the Spanning Tree Protocol manage aircraft Unidirectional Link Detection (UDLD) Protocol NSF swish restart of routing protocols millisecond timers for Very first-Hop Resiliency Protocol (FHRP) Shortest-Route First (SPF) optimizations these as hyperlink-state ad (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 designed with distinctive serviceability functions to enable community operators to require earlier action primarily based on network developments and gatherings, enhancing network arranging and improving community functions center (NOC) and vendor response moments. Sensible Get in touch with Household, Cisco Generic On the net Diagnostics (GOLD), and Cisco Embedded Occasion Supervisor (EEM) are some of the functions that improve the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN function allows an administrator to assess all traffic in between ports (named the SPAN supply ports) by nonintrusively directing the SPAN session traffic to a SPAN location port that has an exterior analyzer connected to it. Encapsulated Remote SPAN (ERSPAN) allows remote monitoring of numerous switches across the network by encapsulating SPAN targeted traffic into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS incorporates a built-in packet analyzer to watch and troubleshoot command- and facts-plane website traffic. The packet analyzer is primarily based on the well-liked Wireshark open up supply community protocol analyzer. • Intelligent Contact Residence: The Sensible Call Home element continuously screens components and software package elements to offer electronic mail-dependent notification of crucial program occasions. A flexible range of concept formats is available for optimal compatibility with pager providers, standard e-mail, and XML-primarily based automated parsing applications. It provides notify grouping capabilities and customizable vacation spot profiles. This attribute can be applied, for example, to straight webpage a community support engineer, deliver an electronic mail concept to a NOC, and hire Cisco AutoNotify solutions to right produce a instance with the Cisco Technical Aid Heart (TAC). This attribute is a move toward autonomous system operation, enabling networking devices to inform IT when a problem occurs and helping guarantee that the dilemma is acted on speedily, cutting down time to resolution and increasing technique uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic facilities to verify that components and inside data paths are running as designed. Boot-time diagnostics, ongoing monitoring, standby fabric loopback exams, and on-demand and scheduled checks are element of the Cisco GOLD function set. This industry-top diagnostics subsystem will allow speedy fault isolation and constant technique monitoring essential in today's continually functioning environments. • Cisco EEM: Cisco EEM is a effective system and process conduite technology integrated into Cisco NX-OS. Cisco EEM assists clients harness the community intelligence intrinsic to the Cisco software package and allows them to customise behavior centered on community gatherings as they happen. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variants five and 9 exports as nicely as the Versatile NetFlow configuration design and components-dependent Sampled NetFlow for increased scalability. In addition to Layer 3 NetFlow, Layer two NetFlow is supported.416120812