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Flexibility and Scalability • Software package compatibility: Cisco NX-OS interoperates with Cisco products operating any variant of the Cisco IOS Software program functioning method. It also interoperates with any networking OS that conforms to the networking expectations outlined as supported in this info sheet. • Widespread software program all through the facts middle: Cisco NX-OS simplifies the knowledge heart running surroundings and delivers a unified OS made to run all regions of the info center community, which includes storage, virtualization, and Layer three community protocols. • Modular software program layout: Cisco NX-OS is intended to assistance dispersed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and dispersed line-card processors. Computationally intensive jobs, these kinds of as hardware table programming, can be offloaded to dedicated processors distributed across the line cards. Cisco NX-OS modular processes are instantiated on desire, each in a separate protected memory house. Thus, processes are commenced and method methods allocated only when a element is enabled. The modular procedures are ruled by a genuine-time preemptive scheduler that helps make certain the timely processing of essential capabilities. • Virtual system contexts (VDCs): Cisco NX-OS presents the capacity to section OS and hardware means into virtual contexts that emulate digital gadgets. Every single VDC has its very own software package processes, focused hardware resources (bodily interfaces, VLANs, routing table dimensions, Digital Route Forwarding [VRF], and many others.), and impartial management setting. VDCs are instrumental in the consolidation of different networks onto a widespread infrastructure, keeping the administrative boundary separation and fault-isolation characteristics of physically individual networks even though giving several of the functioning price benefits of a single infrastructure. Every single VDC can be restarted without having affecting the control, facts, or conduite plane of other VDCs in the technique. • Help for Cisco Nexus Fabric Extender: The Cisco Nexus 7000 Series Switch can act as the mum or dad 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 guardian switch, the Cisco Nexus Fabric Extender inherits the capabilities and benefits offered by the Cisco Nexus 7000 Series. The mix of the Cisco Nexus 2000 Series Fabric Extenders and Cisco Nexus 7000 Series Switches brings together the added benefits of prime-of-rack (ToR) and conclude-of-row (EoR) community architectures, enabling knowledge centers to scale the range of Gigabit Ethernet entry ports, minimizing cable runs, and reducing administration points in the network. Availability • Ongoing system operation: Cisco NX-OS delivers ongoing system operation, permitting upkeep, upgrades, and application certification with no provider interruption. The combination of course of action modularity, hitless In-Provider Application Improve (ISSU) capacity, and stateful graceful restart mitigates the consequences of computer software upgrades and other functions. • Hitless ISSU: Hitless ISSU supplies the capability to carry out transparent software package upgrades on platforms with redundant supervisors, reducing downtime and making it possible for prospects to integrate the newest functions and functions with minor or no detrimental impact on network operation. • Sleek development of enhancements and problem fixes: The modularity of Cisco NX-OS will allow new attributes, enhancements, and challenge fixes to be transparently built-in into the software. These up-to-date photos can then be installed devoid of disruption working with Cisco ISSU. • Process survivability: Essential procedures are run in shielded memory place and independently of every other and the kernel, offering specific services isolation and fault containment and enabling modular patching and upgrading and swift restartability. Person processes can be restarted independently devoid of reduction of state data and devoid of impacting knowledge forwarding, so that immediately after an update or failure, procedures restart in milliseconds devoid of negatively impacting adjacent units or services. Procedures with big amounts of state this sort of as IP routing protocols are restarted using standards-centered nonstop forwarding (NSF) swish restart mechanisms other procedures use a regional persistent storage support (PSS) to keep their state. • Stateful supervisor failover: Redundant supervisors are kept synchronized at all occasions to make it possible for quick stateful supervisor failover. Sophisticated checks are in position to help guarantee that the state is constant and reliable during the total dispersed architecture right after failover happens. • Reliable interprocess communication: Cisco NX-OS facilitates trustworthy communication between procedures to help assure that all messages are sent and adequately acted on during failure and adverse circumstances. This communication assists ensure approach synchronization and state consistency throughout processes that may well be instantiated on processors dispersed over numerous supervisors and I/O modules. • Redundant switched Ethernet out-of-band channels (EOBCs): Cisco NX-OS can make whole use of redundant EOBCs for communication in between management and I/O module processors. • Community-dependent availability: Network convergence is optimized by offering applications and capabilities to make the two failover and fallback clear and quickly. For illustration, Cisco NX-OS supplies Spanning Tree Protocol enhancements these kinds of as Bridge Protocol Knowledge Unit (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to support ensure the wellness of the Spanning Tree Protocol command plane Unidirectional Website link Detection (UDLD) Protocol NSF swish restart of routing protocols millisecond timers for 1st-Hop Resiliency Protocol (FHRP) Shortest-Route Very first (SPF) optimizations this sort of as link-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 designed with exclusive serviceability features to help network operators to consider early action based mostly on network tendencies and events, boosting network setting up and increasing network operations heart (NOC) and vendor response times. Sensible Phone Residence, Cisco Generic On the web Diagnostics (GOLD), and Cisco Embedded Celebration Supervisor (EEM) are some of the features that enhance the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN characteristic allows an administrator to review all website traffic between ports (named the SPAN resource ports) by nonintrusively directing the SPAN session website traffic to a SPAN place port that has an external analyzer attached to it. Encapsulated Remote SPAN (ERSPAN) permits remote monitoring of numerous switches throughout the community by encapsulating SPAN traffic into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS includes a designed-in packet analyzer to keep an eye on and troubleshoot manage- and facts-aircraft visitors. The packet analyzer is primarily based on the common Wireshark open source community protocol analyzer. • Smart Simply call House: The Wise Simply call House feature constantly screens hardware and software program parts to offer electronic mail-based mostly notification of essential technique activities. A adaptable range of concept formats is obtainable for optimum compatibility with pager expert services, regular electronic mail, and XML-based automated parsing purposes. It delivers alert grouping abilities and customizable vacation spot profiles. This attribute can be applied, for case in point, to directly webpage a community aid engineer, deliver an e mail message to a NOC, and make use of Cisco AutoNotify providers to directly generate a case with the Cisco Technical Guidance Heart (TAC). This attribute is a stage toward autonomous method operation, enabling networking gadgets to inform IT when a dilemma occurs and aiding make sure that the problem is acted on rapidly, reducing time to resolution and escalating system uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic facilities to confirm that hardware and inner facts paths are working as developed. Boot-time diagnostics, steady monitoring, standby fabric loopback assessments, and on-desire and scheduled checks are part of the Cisco GOLD function established. This business-top diagnostics subsystem makes it possible for swift fault isolation and continuous method monitoring critical in today's repeatedly running environments. • Cisco EEM: Cisco EEM is a effective system and method conduite technological innovation built-in into Cisco NX-OS. Cisco EEM aids buyers harness the community intelligence intrinsic to the Cisco software program and enables them to personalize behavior centered on community occasions as they occur. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Versions five and 9 exports as properly as the Adaptable NetFlow configuration model and hardware-based mostly Sampled NetFlow for enhanced scalability. In addition to Layer 3 NetFlow, Layer 2 NetFlow is supported.416120812