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Overall flexibility and Scalability • Software program compatibility: Cisco NX-OS interoperates with Cisco solutions jogging any variant of the Cisco IOS Computer software functioning technique. It also interoperates with any networking OS that conforms to the networking criteria listed as supported in this data sheet. • Prevalent software in the course of the data heart: Cisco NX-OS simplifies the knowledge center functioning environment and provides a unified OS developed to run all areas of the info heart community, including storage, virtualization, and Layer 3 community protocols. • Modular application style: Cisco NX-OS is intended to assistance dispersed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and dispersed line-card processors. Computationally intensive responsibilities, such as components table programming, can be offloaded to devoted processors distributed across the line cards. Cisco NX-OS modular processes are instantiated on demand, every in a different guarded memory place. Hence, processes are commenced and method sources allocated only when a attribute is enabled. The modular procedures are governed by a genuine-time preemptive scheduler that can help assure the well timed processing of important functions. • Virtual unit contexts (VDCs): Cisco NX-OS provides the functionality to segment OS and hardware resources into digital contexts that emulate digital units. Just about every VDC has its own software program procedures, committed hardware resources (physical interfaces, VLANs, routing table dimensions, Digital Route Forwarding [VRF], etc.), and independent management atmosphere. VDCs are instrumental in the consolidation of different networks onto a prevalent infrastructure, preserving the administrative boundary separation and fault-isolation attributes of bodily individual networks even though providing quite a few of the functioning expense added benefits of a single infrastructure. Each VDC can be restarted with out impacting the handle, data, or conduite aircraft of other VDCs in the system. • Help 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. Since it is a logical extension of its guardian switch, the Cisco Nexus Fabric Extender inherits the features and benefits provided 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 positive aspects of top-of-rack (ToR) and conclude-of-row (EoR) network architectures, enabling info centers to scale the variety of Gigabit Ethernet accessibility ports, cutting down cable runs, and reducing management factors in the community. Availability • Continuous method operation: Cisco NX-OS provides constant system operation, permitting preservation, upgrades, and software program certification devoid of services interruption. The mix of process modularity, hitless In-Support Software package Upgrade (ISSU) functionality, and stateful swish restart mitigates the consequences of computer software upgrades and other functions. • Hitless ISSU: Hitless ISSU gives the functionality to complete clear computer software upgrades on platforms with redundant supervisors, cutting down downtime and making it possible for clients to combine the newest attributes and features with little or no detrimental result on network operation. • Sleek enhancement of enhancements and issue fixes: The modularity of Cisco NX-OS allows new functions, enhancements, and issue fixes to be transparently integrated into the computer software. These updated pictures can then be put in devoid of disruption utilizing Cisco ISSU. • Procedure survivability: Critical procedures are operate in guarded memory house and independently of each other and the kernel, offering in depth support isolation and fault containment and enabling modular patching and upgrading and speedy restartability. Person procedures can be restarted independently without having decline of state data and without having affecting info forwarding, so that following an up grade or failure, procedures restart in milliseconds devoid of negatively impacting adjacent units or providers. Processes with large amounts of state these kinds of as IP routing protocols are restarted utilizing requirements-centered nonstop forwarding (NSF) graceful restart mechanisms other processes use a nearby persistent storage provider (PSS) to retain their state. • Stateful supervisor failover: Redundant supervisors are held synchronized at all times to allow quick stateful supervisor failover. Advanced checks are in spot to enable guarantee that the state is regular and reputable through the entire dispersed architecture after failover occurs. • Reputable interprocess communication: Cisco NX-OS facilitates trustworthy communication among processes to assist assure that all messages are sent and adequately acted on during failure and adverse circumstances. This communication will help ensure process synchronization and state consistency across procedures that may be instantiated on processors distributed in excess of 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 among command and I/O module processors. • Network-primarily based availability: Community convergence is optimized by delivering applications and capabilities to make each failover and fallback transparent and fast. For example, Cisco NX-OS provides Spanning Tree Protocol enhancements such as Bridge Protocol Data Device (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to help ensure the wellness of the Spanning Tree Protocol command plane Unidirectional Link Detection (UDLD) Protocol NSF graceful restart of routing protocols millisecond timers for Initial-Hop Resiliency Protocol (FHRP) Shortest-Route 1st (SPF) optimizations these kinds of as hyperlink-state advertisement (LSA) pacing and incremental SPF IEEE 802.3ad backlink aggregation with adjustable timers and Bidirectional Forwarding Detection (BFD). Serviceability • Troubleshooting and diagnostics: Cisco NX-OS is constructed with distinctive serviceability capabilities to make it possible for network operators to require early action based mostly on community trends and gatherings, boosting community planning and strengthening network operations center (NOC) and vendor response times. Intelligent Contact Household, Cisco Generic Online Diagnostics (GOLD), and Cisco Embedded Occasion Supervisor (EEM) are some of the attributes that increase the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN function will allow an administrator to assess all website traffic amongst ports (called the SPAN resource ports) by nonintrusively directing the SPAN session traffic to a SPAN location port that has an exterior analyzer connected to it. Encapsulated Remote SPAN (ERSPAN) allows remote monitoring of a number of switches throughout the community by encapsulating SPAN targeted traffic into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS consists of a created-in packet analyzer to keep an eye on and troubleshoot manage- and facts-plane targeted traffic. The packet analyzer is centered on the common Wireshark open up resource network protocol analyzer. • Smart Simply call Home: The Clever Simply call House function repeatedly monitors components and application elements to offer e mail-dependent notification of crucial process events. A versatile selection of message formats is available for ideal compatibility with pager expert services, standard e-mail, and XML-centered automated parsing programs. It delivers notify grouping capabilities and customizable destination profiles. This attribute can be applied, for instance, to right web page a network assistance engineer, send an email message to a NOC, and use Cisco AutoNotify companies to directly crank out a situation with the Cisco Technical Support Middle (TAC). This feature is a move towards autonomous method operation, enabling networking units to inform IT when a problem occurs and helping guarantee that the difficulty is acted on swiftly, decreasing time to resolution and growing program uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic facilities to validate that hardware and inner knowledge paths are working as intended. Boot-time diagnostics, constant monitoring, standby fabric loopback assessments, and on-need and scheduled exams are component of the Cisco GOLD element set. This industry-leading diagnostics subsystem permits quick fault isolation and steady process monitoring vital in today's continuously running environments. • Cisco EEM: Cisco EEM is a highly effective device and process management engineering built-in into Cisco NX-OS. Cisco EEM will help customers harness the community intelligence intrinsic to the Cisco software package and allows them to customize habits dependent on network activities as they happen. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variants five and nine exports as well as the Adaptable NetFlow configuration model and hardware-dependent Sampled NetFlow for enhanced scalability. In addition to Layer three NetFlow, Layer 2 NetFlow is supported.416120812