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Versatility and Scalability • Computer software compatibility: Cisco NX-OS interoperates with Cisco goods working any variant of the Cisco IOS Software program running method. It also interoperates with any networking OS that conforms to the networking requirements listed as supported in this info sheet. • Prevalent software package throughout the information center: Cisco NX-OS simplifies the knowledge heart working surroundings and gives a unified OS developed to run all regions of the info middle network, together with storage, virtualization, and Layer 3 community protocols. • Modular software program layout: Cisco NX-OS is created to assistance distributed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and distributed line-card processors. Computationally intensive responsibilities, these kinds of as hardware table programming, can be offloaded to devoted processors distributed across the line cards. Cisco NX-OS modular processes are instantiated on need, every in a individual shielded memory space. Hence, processes are began and program sources allocated only when a function is enabled. The modular processes are ruled by a authentic-time preemptive scheduler that helps assure the well timed processing of crucial features. • Digital unit contexts (VDCs): Cisco NX-OS gives the capability to segment OS and hardware sources into digital contexts that emulate digital products. Every VDC has its own software processes, dedicated hardware methods (physical interfaces, VLANs, routing desk dimension, Digital Route Forwarding [VRF], etc.), and independent management environment. VDCs are instrumental in the consolidation of different networks onto a common infrastructure, maintaining the administrative boundary separation and fault-isolation features of physically independent networks even though providing many of the working charge positive aspects of a one infrastructure. Just about every VDC can be restarted without impacting the control, info, or conduite airplane of other VDCs in the system. • Support 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. Due to the fact it is a rational extension of its mother or father switch, the Cisco Nexus Fabric Extender inherits the features and benefits offered 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 rewards of best-of-rack (ToR) and conclusion-of-row (EoR) network architectures, enabling data centers to scale the number of Gigabit Ethernet accessibility ports, lowering cable runs, and minimizing management details in the community. Availability • Constant technique operation: Cisco NX-OS offers constant technique operation, permitting routine maintenance, upgrades, and software package certification with no services interruption. The combination of process modularity, hitless In-Provider Software program Improve (ISSU) ability, and stateful swish restart mitigates the consequences of computer software upgrades and other functions. • Hitless ISSU: Hitless ISSU gives the capacity to execute transparent computer software upgrades on platforms with redundant supervisors, cutting down downtime and letting consumers to combine the latest functions and functions with minor or no unfavorable effect on network operation. • Smooth enhancement of enhancements and problem fixes: The modularity of Cisco NX-OS permits new functions, enhancements, and dilemma fixes to be transparently built-in into the software. These up to date photographs can then be set up devoid of disruption making use of Cisco ISSU. • Course of action survivability: Critical procedures are run in protected memory room and independently of just about every other and the kernel, giving comprehensive provider isolation and fault containment and enabling modular patching and upgrading and speedy restartability. Personal processes can be restarted independently devoid of loss of state information and with no affecting info forwarding, so that following an upgrade or failure, processes restart in milliseconds devoid of negatively impacting adjacent products or companies. Procedures with significant amounts of state these kinds of as IP routing protocols are restarted employing specifications-based nonstop forwarding (NSF) swish restart mechanisms other procedures use a neighborhood persistent storage assistance (PSS) to maintain their state. • Stateful supervisor failover: Redundant supervisors are held synchronized at all moments to enable speedy stateful supervisor failover. Complex checks are in location to aid assure that the state is consistent and trusted in the course of the entire dispersed architecture immediately after failover takes place. • Reputable interprocess communication: Cisco NX-OS facilitates dependable communication amongst processes to support make sure that all messages are delivered and appropriately acted on through failure and adverse situations. This communication aids assure process synchronization and state consistency across processes that may well be instantiated on processors distributed over many 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 control and I/O module processors. • Community-based mostly availability: Community convergence is optimized by supplying applications and capabilities to make equally failover and fallback transparent and quick. For case in point, Cisco NX-OS delivers Spanning Tree Protocol enhancements these kinds of as Bridge Protocol Info Unit (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to assist make sure the health of the Spanning Tree Protocol command plane Unidirectional Weblink Detection (UDLD) Protocol NSF graceful restart of routing protocols millisecond timers for Initially-Hop Resiliency Protocol (FHRP) Shortest-Path 1st (SPF) optimizations this sort of as website link-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 constructed with one of a kind serviceability functions to permit network operators to get earlier action dependent on network developments and gatherings, maximizing community preparing and bettering network operations heart (NOC) and vendor reaction moments. Smart Call Property, Cisco Generic Online 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 function makes it possible for an administrator to evaluate all traffic involving ports (named the SPAN source ports) by nonintrusively directing the SPAN session targeted traffic to a SPAN vacation spot port that has an external analyzer attached to it. Encapsulated Remote SPAN (ERSPAN) will allow remote monitoring of multiple switches throughout the community by encapsulating SPAN site visitors into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS contains a built-in packet analyzer to keep track of and troubleshoot management- and knowledge-plane traffic. The packet analyzer is dependent on the preferred Wireshark open source community protocol analyzer. • Intelligent Get in touch with House: The Intelligent Simply call Home characteristic repeatedly monitors components and software components to provide electronic mail-dependent notification of critical program events. A flexible assortment of message formats is accessible for optimum compatibility with pager companies, typical email, and XML-based mostly automated parsing purposes. It gives inform grouping capabilities and customizable vacation spot profiles. This characteristic can be employed, for case in point, to directly webpage a community support engineer, send an email message to a NOC, and make use of Cisco AutoNotify expert services to directly produce a instance with the Cisco Technical Support Center (TAC). This feature is a action towards autonomous program operation, enabling networking units to inform IT when a problem takes place and supporting make certain that the dilemma is acted on swiftly, decreasing time to resolution and raising technique uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic amenities to validate that components and inner info paths are running as made. Boot-time diagnostics, ongoing monitoring, standby fabric loopback tests, and on-need and scheduled exams are component of the Cisco GOLD element established. This marketplace-primary diagnostics subsystem makes it possible for quick fault isolation and steady program monitoring vital in today's continually running environments. • Cisco EEM: Cisco EEM is a highly effective machine and method management engineering integrated into Cisco NX-OS. Cisco EEM helps buyers harness the community intelligence intrinsic to the Cisco software program and permits them to customize behavior dependent on community activities as they come about. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Versions 5 and 9 exports as effectively as the Flexible NetFlow configuration model and hardware-based Sampled NetFlow for increased scalability. In addition to Layer three NetFlow, Layer 2 NetFlow is supported.416120812