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Versatility and Scalability • Application compatibility: Cisco NX-OS interoperates with Cisco merchandise jogging any variant of the Cisco IOS Software package working method. It also interoperates with any networking OS that conforms to the networking requirements detailed as supported in this information sheet. • Common application through the facts heart: Cisco NX-OS simplifies the data heart operating atmosphere and offers a unified OS made to operate all places of the data heart network, which includes storage, virtualization, and Layer 3 network protocols. • Modular computer software design and style: Cisco NX-OS is made to assistance distributed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and dispersed line-card processors. Computationally intensive tasks, this kind of as hardware table programming, can be offloaded to focused processors distributed across the line cards. Cisco NX-OS modular procedures are instantiated on need, each and every in a individual shielded memory area. Therefore, processes are commenced and technique means allotted only when a attribute is enabled. The modular procedures are governed by a true-time preemptive scheduler that will help guarantee the well timed processing of important functions. • Virtual unit contexts (VDCs): Cisco NX-OS provides the functionality to section OS and hardware methods into digital contexts that emulate digital devices. Each and every VDC has its possess application processes, dedicated hardware sources (physical interfaces, VLANs, routing table measurement, Virtual Route Forwarding [VRF], etcetera.), and unbiased conduite natural environment. VDCs are instrumental in the consolidation of independent networks onto a common infrastructure, preserving the administrative boundary separation and fault-isolation qualities of physically independent networks while offering many of the working value advantages of a single infrastructure. Each and every VDC can be restarted with out impacting the manage, data, or administration aircraft of other VDCs in the program. • Aid for Cisco Nexus Fabric Extender: The Cisco Nexus 7000 Series Switch can act as the father or mother 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 father or mother switch, the Cisco Nexus Fabric Extender inherits the features and added benefits presented by the Cisco Nexus 7000 Series. The mix of the Cisco Nexus 2000 Series Fabric Extenders and Cisco Nexus 7000 Series Switches brings together the added benefits of leading-of-rack (ToR) and stop-of-row (EoR) network architectures, enabling facts facilities to scale the quantity of Gigabit Ethernet access ports, lowering cable runs, and lowering administration details in the community. Availability • Constant system operation: Cisco NX-OS provides steady program operation, permitting servicing, upgrades, and application certification devoid of support interruption. The mixture of process modularity, hitless In-Support Computer software Improve (ISSU) ability, and stateful swish restart mitigates the consequences of software upgrades and other operations. • Hitless ISSU: Hitless ISSU provides the capacity to accomplish transparent software program upgrades on platforms with redundant supervisors, lowering downtime and permitting consumers to combine the most recent capabilities and functions with small or no negative influence on community operation. • Smooth improvement of enhancements and challenge fixes: The modularity of Cisco NX-OS allows new characteristics, enhancements, and challenge fixes to be transparently built-in into the software program. These up-to-date photos can then be set up with out disruption making use of Cisco ISSU. • Course of action survivability: Crucial procedures are run in shielded memory place and independently of just about every other and the kernel, delivering detailed provider isolation and fault containment and enabling modular patching and upgrading and fast restartability. Personal procedures can be restarted independently devoid of loss of state data and with out impacting info forwarding, so that soon after an up grade or failure, processes restart in milliseconds with no negatively affecting adjacent products or expert services. Processes with big amounts of state this kind of as IP routing protocols are restarted employing criteria-centered nonstop forwarding (NSF) graceful restart mechanisms other processes use a regional persistent storage services (PSS) to retain their state. • Stateful supervisor failover: Redundant supervisors are stored synchronized at all instances to help rapid stateful supervisor failover. Refined checks are in spot to aid guarantee that the state is regular and trusted during the overall dispersed architecture soon after failover takes place. • Trustworthy interprocess communication: Cisco NX-OS facilitates reputable communication among procedures to aid make sure that all messages are sent and correctly acted on for the duration of failure and adverse conditions. This communication can help assure procedure synchronization and state consistency across procedures that may possibly be instantiated on processors distributed more than 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 involving control and I/O module processors. • Community-based mostly availability: Network convergence is optimized by offering resources and functions to make each failover and fallback clear and rapidly. For illustration, Cisco NX-OS delivers Spanning Tree Protocol enhancements these as Bridge Protocol Info Unit (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to support assure the wellbeing of the Spanning Tree Protocol handle aircraft Unidirectional Link Detection (UDLD) Protocol NSF graceful restart of routing protocols millisecond timers for Initially-Hop Resiliency Protocol (FHRP) Shortest-Path Initial (SPF) optimizations such as hyperlink-state ad (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 built with special serviceability functions to permit network operators to get earlier action based mostly on community trends and functions, enhancing community organizing and enhancing network operations heart (NOC) and vendor response times. Wise Phone Household, Cisco Generic On the net Diagnostics (GOLD), and Cisco Embedded Celebration Manager (EEM) are some of the attributes that improve the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN characteristic permits an administrator to analyze all visitors between ports (referred to as the SPAN source ports) by nonintrusively directing the SPAN session visitors to a SPAN vacation spot port that has an exterior analyzer attached to it. Encapsulated Remote SPAN (ERSPAN) permits remote monitoring of many switches across the community by encapsulating SPAN site visitors into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS incorporates a designed-in packet analyzer to monitor and troubleshoot manage- and knowledge-aircraft website traffic. The packet analyzer is primarily based on the preferred Wireshark open resource community protocol analyzer. • Intelligent Get in touch with House: The Intelligent Call Property element repeatedly screens components and software elements to supply email-based mostly notification of vital process functions. A flexible range of concept formats is accessible for optimal compatibility with pager expert services, typical e-mail, and XML-dependent automated parsing apps. It delivers inform grouping abilities and customizable spot profiles. This function can be applied, for example, to right webpage a network support engineer, deliver an email concept to a NOC, and employ Cisco AutoNotify companies to right crank out a circumstance with the Cisco Technical Assistance Middle (TAC). This characteristic is a move towards autonomous program operation, enabling networking products to inform IT when a challenge occurs and aiding make certain that the dilemma is acted on quickly, cutting down time to resolution and raising system uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic facilities to verify that components and internal data paths are working as intended. Boot-time diagnostics, continuous monitoring, standby fabric loopback exams, and on-demand and scheduled checks are aspect of the Cisco GOLD element set. This industry-leading diagnostics subsystem permits swift fault isolation and continuous method monitoring crucial in today's repeatedly operating environments. • Cisco EEM: Cisco EEM is a powerful system and process conduite technologies integrated into Cisco NX-OS. Cisco EEM aids customers harness the community intelligence intrinsic to the Cisco software and allows them to customize conduct based on community functions as they take place. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variations 5 and nine exports as effectively as the Flexible NetFlow configuration product and hardware-centered Sampled NetFlow for improved scalability. In addition to Layer 3 NetFlow, Layer 2 NetFlow is supported.416120812