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Overall flexibility and Scalability • Computer software compatibility: Cisco NX-OS interoperates with Cisco items operating any variant of the Cisco IOS Software program functioning process. It also interoperates with any networking OS that conforms to the networking specifications outlined as supported in this data sheet. • Common application through the info middle: Cisco NX-OS simplifies the information middle working environment and gives a unified OS made to run all locations of the information center community, which includes storage, virtualization, and Layer three network protocols. • Modular software style and design: Cisco NX-OS is developed to assist dispersed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and distributed line-card processors. Computationally intensive tasks, this sort of as hardware desk programming, can be offloaded to committed processors distributed throughout the line cards. Cisco NX-OS modular procedures are instantiated on desire, every single in a independent secured memory room. Therefore, procedures are started off and program resources allotted only when a feature is enabled. The modular procedures are governed by a real-time preemptive scheduler that helps guarantee the timely processing of crucial functions. • Virtual gadget contexts (VDCs): Cisco NX-OS gives the capability to segment OS and components sources into digital contexts that emulate virtual units. Each and every VDC has its own software procedures, committed components resources (physical interfaces, VLANs, routing desk dimension, Digital Route Forwarding [VRF], and so on.), and independent management natural environment. VDCs are instrumental in the consolidation of individual networks onto a prevalent infrastructure, retaining the administrative boundary separation and fault-isolation traits of physically separate networks while giving a lot of of the working price benefits of a single infrastructure. Each and every VDC can be restarted without having impacting the control, knowledge, or management airplane of other VDCs in the program. • Aid 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. Since it is a rational extension of its parent switch, the Cisco Nexus Fabric Extender inherits the features and rewards presented by the Cisco Nexus 7000 Series. The blend of the Cisco Nexus 2000 Series Fabric Extenders and Cisco Nexus 7000 Series Switches moyen the advantages of leading-of-rack (ToR) and finish-of-row (EoR) network architectures, enabling data centers to scale the amount of Gigabit Ethernet access ports, lowering cable runs, and decreasing management factors in the network. Availability • Continuous program operation: Cisco NX-OS delivers ongoing method operation, permitting upkeep, upgrades, and computer software certification with no service interruption. The blend of process modularity, hitless In-Provider Application Update (ISSU) capacity, and stateful graceful restart mitigates the outcomes of software package upgrades and other operations. • Hitless ISSU: Hitless ISSU delivers the ability to perform clear software package upgrades on platforms with redundant supervisors, cutting down downtime and permitting consumers to combine the latest attributes and features with tiny or no unfavorable influence on network operation. • Sleek development of enhancements and difficulty fixes: The modularity of Cisco NX-OS allows new characteristics, enhancements, and problem fixes to be transparently integrated into the software program. These up-to-date pictures can then be mounted with out disruption using Cisco ISSU. • Approach survivability: Critical procedures are operate in protected memory place and independently of just about every other and the kernel, providing specific services isolation and fault containment and enabling modular patching and upgrading and swift restartability. Individual procedures can be restarted independently devoid of loss of state info and without impacting information forwarding, so that following an upgrade or failure, procedures restart in milliseconds without negatively affecting adjacent gadgets or providers. Procedures with large quantities of state these as IP routing protocols are restarted making use of standards-based nonstop forwarding (NSF) sleek restart mechanisms other processes use a neighborhood persistent storage assistance (PSS) to keep their state. • Stateful supervisor failover: Redundant supervisors are kept synchronized at all moments to help rapid stateful supervisor failover. Refined checks are in position to support ensure that the state is regular and dependable throughout the overall dispersed architecture immediately after failover happens. • Reliable interprocess communication: Cisco NX-OS facilitates trusted communication amongst procedures to support make sure that all messages are sent and adequately acted on through failure and adverse circumstances. This communication helps guarantee approach synchronization and state consistency across processes that may possibly be instantiated on processors dispersed above several 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 amongst handle and I/O module processors. • Community-based availability: Network convergence is optimized by supplying resources and capabilities to make the two failover and fallback clear and fast. For example, Cisco NX-OS delivers Spanning Tree Protocol enhancements these kinds of as Bridge Protocol Facts Device (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to assist make certain the health of the Spanning Tree Protocol handle aircraft Unidirectional Weblink Detection (UDLD) Protocol NSF swish restart of routing protocols millisecond timers for Initially-Hop Resiliency Protocol (FHRP) Shortest-Route First (SPF) optimizations such as link-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 developed with distinctive serviceability functions to allow community operators to get early motion dependent on network tendencies and gatherings, improving community planning and increasing community functions center (NOC) and vendor reaction instances. Smart Contact Home, Cisco Generic On the web Diagnostics (GOLD), and Cisco Embedded Celebration Supervisor (EEM) are some of the capabilities that enhance the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN function enables an administrator to evaluate all traffic involving ports (known as the SPAN resource ports) by nonintrusively directing the SPAN session traffic to a SPAN vacation spot port that has an exterior analyzer connected to it. Encapsulated Remote SPAN (ERSPAN) permits remote monitoring of many switches throughout the community by encapsulating SPAN site visitors into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS contains a constructed-in packet analyzer to watch and troubleshoot command- and facts-plane traffic. The packet analyzer is based on the common Wireshark open supply community protocol analyzer. • Smart Get in touch with Home: The Clever Contact Residence characteristic continuously screens components and computer software parts to offer electronic mail-primarily based notification of critical program events. A adaptable variety of message formats is obtainable for optimal compatibility with pager providers, typical email, and XML-primarily based automated parsing applications. It provides alert grouping abilities and customizable place profiles. This element can be used, for example, to right web page a network help engineer, send an electronic mail concept to a NOC, and make use of Cisco AutoNotify companies to straight produce a case with the Cisco Technical Aid Heart (TAC). This function is a move toward autonomous system operation, enabling networking gadgets to inform IT when a difficulty occurs and supporting assure that the problem is acted on rapidly, decreasing time to resolution and raising method uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic amenities to validate that components and inner facts paths are working as developed. Boot-time diagnostics, continuous monitoring, standby fabric loopback checks, and on-need and scheduled tests are element of the Cisco GOLD attribute established. This sector-primary diagnostics subsystem makes it possible for rapid fault isolation and steady method monitoring important in today's constantly working environments. • Cisco EEM: Cisco EEM is a highly effective gadget and technique conduite technology built-in into Cisco NX-OS. Cisco EEM assists customers harness the community intelligence intrinsic to the Cisco application and allows them to customize habits dependent on community occasions as they take place. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variations 5 and 9 exports as well as the Flexible NetFlow configuration product and components-dependent Sampled NetFlow for enhanced scalability. In addition to Layer 3 NetFlow, Layer 2 NetFlow is supported.416120812