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Flexibility and Scalability • Software program compatibility: Cisco NX-OS interoperates with Cisco products running any variant of the Cisco IOS Computer software working program. It also interoperates with any networking OS that conforms to the networking standards listed as supported in this data sheet. • Widespread software all through the knowledge heart: Cisco NX-OS simplifies the facts heart working natural environment and delivers a unified OS designed to run all areas of the information heart community, together with storage, virtualization, and Layer three network protocols. • Modular computer software style and design: Cisco NX-OS is designed to help distributed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and dispersed line-card processors. Computationally intensive duties, such as hardware desk programming, can be offloaded to committed processors dispersed throughout the line cards. Cisco NX-OS modular processes are instantiated on demand, every single in a individual shielded memory space. Hence, procedures are started and process methods allotted only when a attribute is enabled. The modular processes are governed by a true-time preemptive scheduler that helps make certain the well timed processing of essential capabilities. • Digital gadget contexts (VDCs): Cisco NX-OS gives the capacity to segment OS and hardware assets into digital contexts that emulate virtual units. Every VDC has its own computer software processes, dedicated components assets (bodily interfaces, VLANs, routing desk dimension, Digital Route Forwarding [VRF], and so forth.), and unbiased administration surroundings. VDCs are instrumental in the consolidation of individual networks onto a frequent infrastructure, sustaining the administrative boundary separation and fault-isolation qualities of physically separate networks while providing a lot of of the running charge benefits of a one infrastructure. Just about every VDC can be restarted devoid of affecting the command, knowledge, or administration aircraft of other VDCs in the technique. • Support 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 logical extension of its mum or dad switch, the Cisco Nexus Fabric Extender inherits the capabilities and added benefits supplied by the Cisco Nexus 7000 Series. The mixture of the Cisco Nexus 2000 Series Fabric Extenders and Cisco Nexus 7000 Series Switches combines the rewards of top-of-rack (ToR) and finish-of-row (EoR) community architectures, enabling knowledge centers to scale the number of Gigabit Ethernet access ports, decreasing cable runs, and reducing conduite details in the community. Availability • Continuous program operation: Cisco NX-OS supplies ongoing program operation, permitting maintenance, upgrades, and software package certification devoid of support interruption. The mix of process modularity, hitless In-Support Software program Upgrade (ISSU) ability, and stateful sleek restart mitigates the outcomes of software program upgrades and other functions. • Hitless ISSU: Hitless ISSU offers the ability to execute clear computer software upgrades on platforms with redundant supervisors, decreasing downtime and permitting prospects to combine the latest features and features with very little or no negative influence on network operation. • Clean enhancement of enhancements and dilemma fixes: The modularity of Cisco NX-OS allows new functions, enhancements, and dilemma fixes to be transparently integrated into the software. These up to date images can then be installed without having disruption utilizing Cisco ISSU. • Approach survivability: Crucial procedures are operate in protected memory place and independently of each other and the kernel, delivering thorough services isolation and fault containment and enabling modular patching and upgrading and quick restartability. Personal processes can be restarted independently without loss of state info and without having affecting info forwarding, so that immediately after an up grade or failure, processes restart in milliseconds with no negatively impacting adjacent devices or providers. Procedures with big amounts of state this sort of as IP routing protocols are restarted utilizing requirements-centered nonstop forwarding (NSF) sleek restart mechanisms other procedures use a nearby persistent storage services (PSS) to sustain their state. • Stateful supervisor failover: Redundant supervisors are stored synchronized at all occasions to permit fast stateful supervisor failover. Complex checks are in spot to help make certain that the state is consistent and reputable throughout the total dispersed architecture soon after failover happens. • Reputable interprocess communication: Cisco NX-OS facilitates dependable communication amongst procedures to enable make certain that all messages are sent and correctly acted on for the duration of failure and adverse circumstances. This communication helps ensure procedure synchronization and state consistency throughout procedures that may be instantiated on processors dispersed over a number of supervisors and I/O modules. • Redundant switched Ethernet out-of-band channels (EOBCs): Cisco NX-OS can make entire use of redundant EOBCs for communication between control and I/O module processors. • Community-based mostly availability: Network convergence is optimized by giving instruments and functions to make both equally failover and fallback transparent and rapidly. For illustration, Cisco NX-OS gives Spanning Tree Protocol enhancements these kinds of as Bridge Protocol Data Unit (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to assist guarantee the well being of the Spanning Tree Protocol control airplane Unidirectional Link Detection (UDLD) Protocol NSF swish restart of routing protocols millisecond timers for Initially-Hop Resiliency Protocol (FHRP) Shortest-Path Initial (SPF) optimizations these kinds of as weblink-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 built with special serviceability functions to enable network operators to get earlier action primarily based on network tendencies and activities, improving community arranging and bettering community functions middle (NOC) and vendor response periods. Smart Simply call Household, Cisco Generic On the web Diagnostics (GOLD), and Cisco Embedded Event Manager (EEM) are some of the attributes that enrich the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN element allows an administrator to assess all targeted traffic in between ports (called the SPAN source ports) by nonintrusively directing the SPAN session site visitors to a SPAN location port that has an external analyzer connected to it. Encapsulated Remote SPAN (ERSPAN) makes it possible for remote monitoring of multiple switches across the network by encapsulating SPAN traffic into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS contains a created-in packet analyzer to keep track of and troubleshoot manage- and facts-airplane website traffic. The packet analyzer is based mostly on the well-liked Wireshark open up source community protocol analyzer. • Intelligent Get in touch with House: The Smart Simply call House function continually monitors components and software elements to supply electronic mail-primarily based notification of vital process activities. A adaptable selection of concept formats is offered for optimal compatibility with pager providers, standard e-mail, and XML-centered automated parsing applications. It offers inform grouping capabilities and customizable destination profiles. This attribute can be utilized, for case in point, to right web page a community assist engineer, send an email concept to a NOC, and hire Cisco AutoNotify providers to specifically crank out a case with the Cisco Technical Support Middle (TAC). This attribute is a action toward autonomous method operation, enabling networking units to inform IT when a difficulty occurs and serving to assure that the difficulty is acted on rapidly, decreasing time to resolution and raising system uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic amenities to validate that hardware and inside info paths are working as intended. Boot-time diagnostics, constant monitoring, standby fabric loopback assessments, and on-demand and scheduled checks are element of the Cisco GOLD element set. This marketplace-top diagnostics subsystem permits swift fault isolation and steady program monitoring vital in today's repeatedly working environments. • Cisco EEM: Cisco EEM is a strong machine and process administration know-how built-in into Cisco NX-OS. Cisco EEM helps clients harness the community intelligence intrinsic to the Cisco software program and permits them to personalize habits based mostly on community activities as they transpire. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variants 5 and nine exports as very well as the Adaptable NetFlow configuration product and hardware-centered Sampled NetFlow for enhanced scalability. In addition to Layer three NetFlow, Layer 2 NetFlow is supported.416120812