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Overall flexibility and Scalability • Computer software compatibility: Cisco NX-OS interoperates with Cisco goods running any variant of the Cisco IOS Software package operating system. It also interoperates with any networking OS that conforms to the networking expectations detailed as supported in this info sheet. • Frequent application during the information middle: Cisco NX-OS simplifies the information middle functioning environment and delivers a unified OS made to operate all locations of the info heart network, such as storage, virtualization, and Layer 3 network protocols. • Modular software package layout: Cisco NX-OS is made to assist dispersed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and dispersed line-card processors. Computationally intensive duties, these kinds of as components table programming, can be offloaded to devoted processors distributed throughout the line cards. Cisco NX-OS modular processes are instantiated on need, every single in a separate guarded memory room. Consequently, procedures are commenced and program sources allocated only when a function is enabled. The modular procedures are governed by a authentic-time preemptive scheduler that assists make sure the well timed processing of essential functions. • Virtual system contexts (VDCs): Cisco NX-OS gives the capability to phase OS and components sources into digital contexts that emulate digital units. Every single VDC has its individual computer software procedures, focused components methods (physical interfaces, VLANs, routing desk dimensions, Digital Route Forwarding [VRF], etcetera.), and independent conduite atmosphere. VDCs are instrumental in the consolidation of individual networks onto a frequent infrastructure, maintaining the administrative boundary separation and fault-isolation attributes of bodily separate networks even though offering numerous of the functioning value benefits of a simple infrastructure. Each and every VDC can be restarted devoid of impacting the command, data, or management airplane of other VDCs in the process. • Aid 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. Simply because it is a logical extension of its mum or dad switch, the Cisco Nexus Fabric Extender inherits the functions and positive aspects offered 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 rewards of prime-of-rack (ToR) and conclusion-of-row (EoR) network architectures, enabling data centers to scale the number of Gigabit Ethernet access ports, lowering cable runs, and cutting down management points in the network. Availability • Continuous program operation: Cisco NX-OS supplies steady system operation, permitting maintenance, upgrades, and software certification devoid of assistance interruption. The mix of method modularity, hitless In-Provider Software program Up grade (ISSU) functionality, and stateful swish restart mitigates the outcomes of application upgrades and other operations. • Hitless ISSU: Hitless ISSU delivers the ability to carry out transparent software upgrades on platforms with redundant supervisors, decreasing downtime and making it possible for consumers to combine the newest attributes and capabilities with very little or no adverse effect on network operation. • Easy enhancement of enhancements and dilemma fixes: The modularity of Cisco NX-OS makes it possible for new features, enhancements, and issue fixes to be transparently built-in into the computer software. These up-to-date pictures can then be put in devoid of disruption utilizing Cisco ISSU. • Method survivability: Critical procedures are operate in safeguarded memory area and independently of every single other and the kernel, giving comprehensive support isolation and fault containment and enabling modular patching and upgrading and fast restartability. Person procedures can be restarted independently with out decline of state info and without impacting data forwarding, so that after an up grade or failure, procedures restart in milliseconds devoid of negatively impacting adjacent devices or solutions. Procedures with significant quantities of state this sort of as IP routing protocols are restarted employing expectations-centered nonstop forwarding (NSF) graceful restart mechanisms other processes use a community persistent storage assistance (PSS) to retain their state. • Stateful supervisor failover: Redundant supervisors are kept synchronized at all occasions to permit rapid stateful supervisor failover. Advanced checks are in spot to aid make sure that the state is steady and trusted through the whole dispersed architecture soon after failover happens. • Reputable interprocess communication: Cisco NX-OS facilitates trustworthy communication among processes to enable guarantee that all messages are delivered and appropriately acted on for the duration of failure and adverse conditions. This communication can help assure approach synchronization and state consistency throughout processes that may be instantiated on processors dispersed more than numerous 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. • Community-dependent availability: Community convergence is optimized by offering applications and capabilities to make the two failover and fallback transparent and quickly. For illustration, Cisco NX-OS supplies Spanning Tree Protocol enhancements such as Bridge Protocol Information Device (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to support assure the overall health of the Spanning Tree Protocol control airplane Unidirectional Website link Detection (UDLD) Protocol NSF swish restart of routing protocols millisecond timers for First-Hop Resiliency Protocol (FHRP) Shortest-Path Initial (SPF) optimizations these kinds of as weblink-state advertisement (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 one of a kind serviceability features to allow community operators to have earlier motion based mostly on network tendencies and activities, enhancing community arranging and enhancing network operations center (NOC) and vendor reaction occasions. Smart Get in touch with Home, Cisco Generic On the web Diagnostics (GOLD), and Cisco Embedded Event Supervisor (EEM) are some of the characteristics that boost the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN feature makes it possible for an administrator to review all targeted traffic amongst ports (referred to as the SPAN supply ports) by nonintrusively directing the SPAN session visitors to a SPAN vacation spot port that has an external analyzer attached to it. Encapsulated Remote SPAN (ERSPAN) allows remote monitoring of a number of switches across the network by encapsulating SPAN visitors into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS contains a constructed-in packet analyzer to keep track of and troubleshoot handle- and data-plane visitors. The packet analyzer is based mostly on the well-known Wireshark open up resource network protocol analyzer. • Intelligent Phone Property: The Smart Call House characteristic repeatedly screens components and computer software components to provide electronic mail-dependent notification of critical system functions. A flexible selection of message formats is readily available for optimal compatibility with pager expert services, normal email, and XML-based mostly automatic parsing programs. It gives alert grouping capabilities and customizable spot profiles. This feature can be applied, for case in point, to right page a community assistance engineer, ship an electronic mail message to a NOC, and make use of Cisco AutoNotify companies to straight create a case with the Cisco Technical Aid Center (TAC). This characteristic is a move toward autonomous system operation, enabling networking gadgets to inform IT when a difficulty happens and serving to make certain that the challenge is acted on promptly, minimizing time to resolution and growing technique uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic amenities to confirm that hardware and internal data paths are functioning as created. Boot-time diagnostics, ongoing monitoring, standby fabric loopback assessments, and on-demand and scheduled checks are component of the Cisco GOLD function established. This industry-top diagnostics subsystem will allow fast fault isolation and continuous system monitoring important in today's constantly functioning environments. • Cisco EEM: Cisco EEM is a strong unit and technique administration know-how built-in into Cisco NX-OS. Cisco EEM can help consumers harness the network intelligence intrinsic to the Cisco computer software and permits them to customize behavior centered on network events as they come about. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variants five and 9 exports as well as the Flexible NetFlow configuration model and hardware-centered Sampled NetFlow for increased scalability. In addition to Layer 3 NetFlow, Layer 2 NetFlow is supported.416120812