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Versatility and Scalability
• Software package compatibility: Cisco NX-OS interoperates with Cisco merchandise running any variant of the Cisco IOS Software program working technique. It also interoperates with any networking OS that conforms to the networking standards outlined as supported in this information sheet.
• Frequent application throughout the knowledge middle: Cisco NX-OS simplifies the info center working environment and supplies a unified OS made to operate all locations of the data heart community, like storage, virtualization, and Layer three network protocols.
• Modular software design and style: Cisco NX-OS is created to aid distributed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and distributed line-card processors. Computationally intensive projects, such as hardware table programming, can be offloaded to committed processors dispersed across the line cards. Cisco NX-OS modular procedures are instantiated on demand, every single in a different safeguarded memory area. Hence, procedures are started out and system assets allotted only when a function is enabled. The modular procedures are governed by a genuine-time preemptive scheduler that assists make sure the well timed processing of important functions.
• Virtual unit contexts (VDCs): Cisco NX-OS provides the capacity to section OS and hardware methods into virtual contexts that emulate digital devices. Every VDC has its possess software program processes, devoted hardware means (physical interfaces, VLANs, routing table measurement, Virtual Route Forwarding [VRF], and so forth.), and independent conduite natural environment. VDCs are instrumental in the consolidation of separate networks onto a frequent infrastructure, sustaining the administrative boundary separation and fault-isolation qualities of physically different networks though providing several of the operating price rewards of a simple infrastructure. Each VDC can be restarted devoid of affecting the handle, facts, or management plane of other VDCs in the system.
• 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. Because it is a logical extension of its father or mother switch, the Cisco Nexus Fabric Extender inherits the functions and advantages offered by the Cisco Nexus 7000 Series. The mix of the Cisco Nexus 2000 Series Fabric Extenders and Cisco Nexus 7000 Series Switches moyen the rewards of best-of-rack (ToR) and end-of-row (EoR) network architectures, enabling facts centers to scale the range of Gigabit Ethernet entry ports, reducing cable runs, and decreasing conduite details in the network.
Availability
• Continuous process operation: Cisco NX-OS delivers constant program operation, permitting routine maintenance, upgrades, and software package certification with no service interruption. The mix of course of action modularity, hitless In-Service Application Upgrade (ISSU) ability, and stateful sleek restart mitigates the consequences of software package upgrades and other operations.
• Hitless ISSU: Hitless ISSU gives the capability to complete clear application upgrades on platforms with redundant supervisors, lowering downtime and letting buyers to combine the newest capabilities and capabilities with small or no negative result on network operation.
• Smooth advancement of enhancements and dilemma fixes: The modularity of Cisco NX-OS permits new functions, enhancements, and problem fixes to be transparently integrated into the software program. These up to date images can then be set up without disruption using Cisco ISSU.
• Method survivability: Important processes are operate in shielded memory area and independently of each other and the kernel, supplying specific service isolation and fault containment and enabling modular patching and upgrading and quick restartability. Particular person procedures can be restarted independently without reduction of state info and without impacting data forwarding, so that right after an upgrade or failure, processes restart in milliseconds without negatively affecting adjacent devices or companies. Processes with significant amounts of state this kind of as IP routing protocols are restarted working with requirements-dependent nonstop forwarding (NSF) sleek restart mechanisms other processes use a nearby persistent storage support (PSS) to maintain their state.
• Stateful supervisor failover: Redundant supervisors are stored synchronized at all moments to allow swift stateful supervisor failover. Advanced checks are in spot to help guarantee that the state is constant and reliable through the entire dispersed architecture following failover occurs.
• Reputable interprocess communication: Cisco NX-OS facilitates reliable communication in between procedures to assist make certain that all messages are delivered and properly acted on throughout failure and adverse problems. This communication will help make sure method synchronization and state consistency across processes that may be instantiated on processors distributed in excess of a number of 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 control and I/O module processors.
• Network-centered availability: Community convergence is optimized by giving resources and features to make each failover and fallback transparent and quick. For case in point, Cisco NX-OS gives Spanning Tree Protocol enhancements such as Bridge Protocol Facts Device (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to support make certain the well being of the Spanning Tree Protocol management aircraft Unidirectional Backlink Detection (UDLD) Protocol NSF graceful restart of routing protocols millisecond timers for Initially-Hop Resiliency Protocol (FHRP) Shortest-Route 1st (SPF) optimizations these kinds of as backlink-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 developed with special serviceability capabilities to enable community operators to require earlier action centered on network trends and activities, boosting network arranging and increasing community operations center (NOC) and vendor reaction instances. Sensible Contact Home, Cisco Generic On the net Diagnostics (GOLD), and Cisco Embedded Celebration Manager (EEM) are some of the functions that improve the serviceability of Cisco NX-OS.
• Switched Port Analyzer (SPAN): The SPAN characteristic enables an administrator to assess all targeted traffic among ports (named the SPAN resource ports) by nonintrusively directing the SPAN session traffic to a SPAN vacation spot port that has an external analyzer connected to it. Encapsulated Remote SPAN (ERSPAN) makes it possible for remote monitoring of numerous switches throughout the community by encapsulating SPAN site visitors into a generic routing encapsulation (GRE) tunnel.
• Ethanalyzer: Cisco NX-OS involves a designed-in packet analyzer to watch and troubleshoot manage- and knowledge-aircraft visitors. The packet analyzer is based mostly on the popular Wireshark open supply network protocol analyzer.
• Wise Call Household: The Wise Get in touch with House characteristic continuously monitors components and software program elements to give electronic mail-primarily based notification of critical program events. A versatile variety of message formats is obtainable for optimal compatibility with pager expert services, standard email, and XML-based mostly automated parsing applications. It offers inform grouping abilities and customizable destination profiles. This element can be employed, for instance, to straight webpage a network support engineer, send an electronic mail message to a NOC, and hire Cisco AutoNotify providers to immediately produce a instance with the Cisco Technical Assistance Center (TAC). This element is a move toward autonomous technique operation, enabling networking units to inform IT when a challenge takes place and serving to make sure that the difficulty is acted on speedily, decreasing time to resolution and increasing method uptime.
• Cisco GOLD: Cisco GOLD is a suite of diagnostic facilities to confirm that hardware and inside information paths are functioning as intended. Boot-time diagnostics, ongoing monitoring, standby fabric loopback tests, and on-demand and scheduled tests are portion of the Cisco GOLD characteristic set. This market-primary diagnostics subsystem permits speedy fault isolation and ongoing process monitoring crucial in today's continually running environments.
• Cisco EEM: Cisco EEM is a strong gadget and technique administration technologies built-in into Cisco NX-OS. Cisco EEM will help clients harness the community intelligence intrinsic to the Cisco application and permits them to personalize behavior based on community activities as they happen.
• Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variations five and nine exports as well as the Flexible NetFlow configuration model and components-dependent Sampled NetFlow for improved scalability. In addition to Layer three NetFlow, Layer 2 NetFlow is supported.416120812