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Overall flexibility and Scalability • Computer software compatibility: Cisco NX-OS interoperates with Cisco merchandise running any variant of the Cisco IOS Software package running system. It also interoperates with any networking OS that conforms to the networking expectations detailed as supported in this data sheet. • Frequent software all through the information middle: Cisco NX-OS simplifies the knowledge center operating atmosphere and provides a unified OS designed to operate all areas of the data heart community, like storage, virtualization, and Layer 3 community protocols. • Modular computer software style and design: Cisco NX-OS is created to assistance dispersed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and distributed line-card processors. Computationally intensive projects, such as components desk programming, can be offloaded to devoted processors distributed throughout the line cards. Cisco NX-OS modular procedures are instantiated on demand, each and every in a different protected memory place. Thus, procedures are commenced and process sources allotted only when a element is enabled. The modular procedures are governed by a true-time preemptive scheduler that assists guarantee the well timed processing of critical capabilities. • Virtual gadget contexts (VDCs): Cisco NX-OS provides the functionality to section OS and components methods into digital contexts that emulate virtual gadgets. Just about every VDC has its very own software program procedures, dedicated components means (bodily interfaces, VLANs, routing table size, Virtual Route Forwarding [VRF], etcetera.), and unbiased management surroundings. VDCs are instrumental in the consolidation of separate networks onto a frequent infrastructure, sustaining the administrative boundary separation and fault-isolation qualities of bodily separate networks although supplying quite a few of the working value advantages of a solitary infrastructure. Every single VDC can be restarted devoid of affecting the control, info, or administration plane of other VDCs in the system. • Assistance 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 father or mother switch, the Cisco Nexus Fabric Extender inherits the capabilities and added benefits offered by the Cisco Nexus 7000 Series. The mixture 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 conclusion-of-row (EoR) network architectures, enabling information facilities to scale the number of Gigabit Ethernet entry ports, reducing cable runs, and lowering management points in the network. Availability • Constant method operation: Cisco NX-OS gives constant system operation, permitting routine maintenance, upgrades, and computer software certification with out service interruption. The mix of approach modularity, hitless In-Support Computer software Up grade (ISSU) ability, and stateful graceful restart mitigates the results of software package upgrades and other operations. • Hitless ISSU: Hitless ISSU gives the capacity to perform transparent computer software upgrades on platforms with redundant supervisors, decreasing downtime and making it possible for buyers to combine the newest attributes and capabilities with minor or no unfavorable influence on network operation. • Easy enhancement of enhancements and difficulty fixes: The modularity of Cisco NX-OS makes it possible for new functions, enhancements, and challenge fixes to be transparently integrated into the computer software. These up to date images can then be mounted with no disruption employing Cisco ISSU. • Approach survivability: Crucial procedures are operate in shielded memory place and independently of each and every other and the kernel, supplying comprehensive service isolation and fault containment and enabling modular patching and upgrading and rapid restartability. Person procedures can be restarted independently without having loss of state data and devoid of impacting information forwarding, so that immediately after an improve or failure, procedures restart in milliseconds with out negatively affecting adjacent products or expert services. Procedures with massive 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 community persistent storage service (PSS) to retain their state. • Stateful supervisor failover: Redundant supervisors are held synchronized at all instances to allow quick stateful supervisor failover. Innovative checks are in put to aid make sure that the state is constant and trustworthy throughout the entire distributed architecture after failover happens. • Reliable interprocess communication: Cisco NX-OS facilitates trusted communication involving processes to aid assure that all messages are delivered and properly acted on for the duration of failure and adverse problems. This communication aids assure approach synchronization and state consistency across procedures that might be instantiated on processors distributed above a number of supervisors and I/O modules. • Redundant switched Ethernet out-of-band channels (EOBCs): Cisco NX-OS can make full use of redundant EOBCs for communication amongst handle and I/O module processors. • Network-primarily based availability: Network convergence is optimized by delivering equipment and features to make both failover and fallback clear and quick. For instance, Cisco NX-OS provides Spanning Tree Protocol enhancements these kinds of as Bridge Protocol Facts Unit (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to assist assure the wellness of the Spanning Tree Protocol command airplane Unidirectional Hyperlink Detection (UDLD) Protocol NSF sleek restart of routing protocols millisecond timers for Very first-Hop Resiliency Protocol (FHRP) Shortest-Path Initially (SPF) optimizations these kinds of as weblink-state ad (LSA) pacing and incremental SPF IEEE 802.3ad hyperlink aggregation with adjustable timers and Bidirectional Forwarding Detection (BFD). Serviceability • Troubleshooting and diagnostics: Cisco NX-OS is created with exclusive serviceability features to enable community operators to require earlier motion dependent on community developments and activities, enhancing community arranging and improving community operations middle (NOC) and vendor reaction periods. Wise Simply call Home, Cisco Generic On-line Diagnostics (GOLD), and Cisco Embedded Occasion Supervisor (EEM) are some of the functions that improve the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN characteristic will allow an administrator to examine all traffic involving ports (identified as the SPAN supply ports) by nonintrusively directing the SPAN session website traffic to a SPAN place port that has an exterior analyzer attached to it. Encapsulated Remote SPAN (ERSPAN) allows remote monitoring of many switches across the community by encapsulating SPAN site visitors into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS consists of a constructed-in packet analyzer to check and troubleshoot control- and facts-plane targeted traffic. The packet analyzer is primarily based on the common Wireshark open source community protocol analyzer. • Wise Simply call Residence: The Clever Phone House feature continually screens hardware and software factors to provide email-centered notification of critical method activities. A versatile variety of message formats is obtainable for ideal compatibility with pager services, standard email, and XML-based mostly automated parsing applications. It offers alert grouping abilities and customizable spot profiles. This attribute can be employed, for example, to straight web page a network help engineer, send an e mail concept to a NOC, and hire Cisco AutoNotify services to right crank out a circumstance with the Cisco Technical Help Middle (TAC). This feature is a stage towards autonomous system operation, enabling networking units to inform IT when a challenge takes place and assisting assure that the difficulty is acted on promptly, cutting down time to resolution and rising program uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic facilities to confirm that hardware and inner knowledge paths are running as made. Boot-time diagnostics, ongoing monitoring, standby fabric loopback tests, and on-desire and scheduled tests are element of the Cisco GOLD element set. This industry-top diagnostics subsystem enables quick fault isolation and ongoing program monitoring critical in today's continually running environments. • Cisco EEM: Cisco EEM is a potent device and technique administration technology built-in into Cisco NX-OS. Cisco EEM can help consumers harness the network intelligence intrinsic to the Cisco application and permits them to personalize conduct based mostly on network gatherings as they come about. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variants 5 and 9 exports as well as the Adaptable NetFlow configuration product and hardware-dependent Sampled NetFlow for enhanced scalability. In addition to Layer three NetFlow, Layer 2 NetFlow is supported.416120812