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Flexibility and Scalability • Software compatibility: Cisco NX-OS interoperates with Cisco solutions managing any variant of the Cisco IOS Application working process. It also interoperates with any networking OS that conforms to the networking specifications outlined as supported in this information sheet. • Frequent application throughout the information heart: Cisco NX-OS simplifies the information heart operating atmosphere and supplies a unified OS created to run all areas of the facts heart community, such as storage, virtualization, and Layer three network protocols. • Modular computer software style: Cisco NX-OS is designed to help distributed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and distributed line-card processors. Computationally intensive jobs, this sort of as components table programming, can be offloaded to dedicated processors distributed across the line cards. Cisco NX-OS modular processes are instantiated on need, each and every in a different secured memory area. Thus, processes are started and process sources allotted only when a attribute is enabled. The modular procedures are governed by a real-time preemptive scheduler that can help make sure the well timed processing of critical functions. • Digital device contexts (VDCs): Cisco NX-OS provides the functionality to segment OS and hardware sources into digital contexts that emulate digital devices. Each VDC has its individual software program processes, committed hardware resources (physical interfaces, VLANs, routing table dimensions, Virtual Route Forwarding [VRF], and so forth.), and impartial conduite setting. VDCs are instrumental in the consolidation of independent networks onto a frequent infrastructure, keeping the administrative boundary separation and fault-isolation traits of bodily different networks whilst giving many of the operating price advantages of a single infrastructure. Each and every VDC can be restarted with out impacting the manage, information, or conduite plane of other VDCs in the system. • Help for Cisco Nexus Fabric Extender: The Cisco Nexus 7000 Series Switch can act as the mum or dad switch for the Cisco Nexus 2248TP GE Fabric Extender, the Cisco Nexus 2224TP GE Fabric Extender, and the Cisco Nexus 2232PP 10GE Fabric Extender. Simply because it is a reasonable extension of its guardian switch, the Cisco Nexus Fabric Extender inherits the functions and added benefits supplied 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 positive aspects of best-of-rack (ToR) and finish-of-row (EoR) community architectures, enabling info facilities to scale the amount of Gigabit Ethernet accessibility ports, reducing cable runs, and minimizing conduite points in the community. Availability • Constant system operation: Cisco NX-OS delivers steady program operation, permitting routine maintenance, upgrades, and software certification with out support interruption. The blend of procedure modularity, hitless In-Service Software package Upgrade (ISSU) ability, and stateful graceful restart mitigates the consequences of computer software upgrades and other operations. • Hitless ISSU: Hitless ISSU offers the capacity to execute clear application upgrades on platforms with redundant supervisors, minimizing downtime and letting customers to combine the newest attributes and features with small or no negative effect on community operation. • Sleek development of enhancements and difficulty fixes: The modularity of Cisco NX-OS allows new capabilities, enhancements, and dilemma fixes to be transparently integrated into the software. These updated photographs can then be put in devoid of disruption employing Cisco ISSU. • Process survivability: Important processes are run in guarded memory house and independently of each other and the kernel, giving comprehensive service isolation and fault containment and enabling modular patching and upgrading and swift restartability. Particular person procedures can be restarted independently with out decline of state facts and devoid of affecting data forwarding, so that immediately after an upgrade or failure, procedures restart in milliseconds devoid of negatively affecting adjacent gadgets or providers. Procedures with huge amounts of state these kinds of as IP routing protocols are restarted using requirements-centered nonstop forwarding (NSF) graceful restart mechanisms other procedures use a nearby persistent storage services (PSS) to sustain their state. • Stateful supervisor failover: Redundant supervisors are kept synchronized at all times to enable rapid stateful supervisor failover. Innovative checks are in place to aid make sure that the state is constant and trustworthy all through the whole distributed architecture immediately after failover happens. • Reliable interprocess communication: Cisco NX-OS facilitates trustworthy communication in between procedures to help guarantee that all messages are sent and correctly acted on in the course of failure and adverse situations. This communication will help assure approach synchronization and state consistency throughout processes that could be instantiated on processors dispersed in excess of several 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 involving management and I/O module processors. • Network-primarily based availability: Community convergence is optimized by delivering tools and functions to make both failover and fallback transparent and fast. For illustration, Cisco NX-OS offers Spanning Tree Protocol enhancements these kinds of as Bridge Protocol Knowledge Device (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to assist make certain the health of the Spanning Tree Protocol management plane Unidirectional Backlink Detection (UDLD) Protocol NSF sleek 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 weblink aggregation with adjustable timers and Bidirectional Forwarding Detection (BFD). Serviceability • Troubleshooting and diagnostics: Cisco NX-OS is created with exclusive serviceability features to help community operators to get earlier action centered on network developments and activities, enhancing network preparing and improving community functions center (NOC) and vendor reaction occasions. Smart Get in touch with Household, Cisco Generic On the net Diagnostics (GOLD), and Cisco Embedded Event Manager (EEM) are some of the functions that boost the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN element makes it possible for an administrator to review all visitors in between ports (known as the SPAN supply ports) by nonintrusively directing the SPAN session traffic to a SPAN vacation spot port that has an external analyzer attached to it. Encapsulated Remote SPAN (ERSPAN) allows remote monitoring of multiple switches throughout the community by encapsulating SPAN traffic into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS incorporates a created-in packet analyzer to monitor and troubleshoot manage- and knowledge-aircraft traffic. The packet analyzer is primarily based on the well-liked Wireshark open up resource network protocol analyzer. • Sensible Simply call Residence: The Intelligent Contact Property element repeatedly screens hardware and application factors to present email-based notification of vital process activities. A versatile assortment of concept formats is offered for optimal compatibility with pager providers, typical electronic mail, and XML-centered automatic parsing apps. It delivers alert grouping abilities and customizable spot profiles. This function can be utilized, for illustration, to right page a community assistance engineer, deliver an email message to a NOC, and utilize Cisco AutoNotify expert services to straight produce a scenario with the Cisco Technical Assistance Middle (TAC). This function is a move towards autonomous system operation, enabling networking units to inform IT when a challenge takes place and serving to make sure that the issue is acted on promptly, decreasing time to resolution and raising system uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic facilities to verify that hardware and inside knowledge paths are running as made. Boot-time diagnostics, ongoing monitoring, standby fabric loopback checks, and on-need and scheduled tests are portion of the Cisco GOLD function established. This sector-primary diagnostics subsystem permits fast fault isolation and constant system monitoring crucial in today's constantly operating environments. • Cisco EEM: Cisco EEM is a potent unit and technique conduite know-how built-in into Cisco NX-OS. Cisco EEM aids buyers harness the network intelligence intrinsic to the Cisco software program and allows them to personalize habits based on community gatherings as they take place. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variants five and 9 exports as well as the Flexible NetFlow configuration model and components-primarily based Sampled NetFlow for enhanced scalability. In addition to Layer three NetFlow, Layer two NetFlow is supported.416120812