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Versatility and Scalability • Software compatibility: Cisco NX-OS interoperates with Cisco merchandise operating any variant of the Cisco IOS Application working technique. It also interoperates with any networking OS that conforms to the networking standards listed as supported in this facts sheet. • Widespread computer software throughout the information heart: Cisco NX-OS simplifies the data middle running atmosphere and delivers a unified OS intended to operate all parts of the information heart community, like storage, virtualization, and Layer 3 community protocols. • Modular application design and style: Cisco NX-OS is made to assist distributed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and distributed line-card processors. Computationally intensive jobs, this kind of as components desk programming, can be offloaded to committed processors dispersed across the line cards. Cisco NX-OS modular processes are instantiated on demand, every in a independent protected memory house. Thus, procedures are began and technique resources allocated only when a feature is enabled. The modular processes are governed by a genuine-time preemptive scheduler that aids make sure the well timed processing of crucial features. • Virtual system contexts (VDCs): Cisco NX-OS delivers the capacity to segment OS and components sources into digital contexts that emulate virtual products. Every single VDC has its possess computer software processes, committed hardware assets (bodily interfaces, VLANs, routing desk size, Digital Route Forwarding [VRF], and many others.), and unbiased conduite surroundings. VDCs are instrumental in the consolidation of separate networks onto a typical infrastructure, maintaining the administrative boundary separation and fault-isolation features of bodily individual networks though delivering quite a few of the working value rewards of a solitary infrastructure. Just about every VDC can be restarted without impacting the command, information, or conduite plane of other VDCs in the method. • Assist 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. Since it is a rational extension of its parent switch, the Cisco Nexus Fabric Extender inherits the capabilities and added 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 prime-of-rack (ToR) and finish-of-row (EoR) network architectures, enabling info centers to scale the range of Gigabit Ethernet access ports, decreasing cable runs, and minimizing management factors in the community. Availability • Ongoing technique operation: Cisco NX-OS delivers steady program operation, permitting servicing, upgrades, and application certification with out service interruption. The blend of method modularity, hitless In-Services Computer software Improve (ISSU) functionality, and stateful swish restart mitigates the consequences of software upgrades and other functions. • Hitless ISSU: Hitless ISSU provides the capacity to perform clear software upgrades on platforms with redundant supervisors, cutting down downtime and making it possible for consumers to integrate the newest characteristics and features with little or no negative impact on community operation. • Sleek development of enhancements and problem fixes: The modularity of Cisco NX-OS allows new characteristics, enhancements, and dilemma fixes to be transparently integrated into the computer software. These updated photographs can then be put in without disruption making use of Cisco ISSU. • Method survivability: Crucial processes are operate in secured memory room and independently of just about every other and the kernel, giving specific provider isolation and fault containment and enabling modular patching and upgrading and quick restartability. Individual procedures can be restarted independently devoid of loss of state data and without affecting information forwarding, so that after an upgrade or failure, procedures restart in milliseconds with no negatively impacting adjacent products or services. Processes with significant quantities of state this kind of as IP routing protocols are restarted utilizing requirements-based mostly nonstop forwarding (NSF) graceful restart mechanisms other procedures use a community persistent storage service (PSS) to retain their state. • Stateful supervisor failover: Redundant supervisors are stored synchronized at all moments to allow quick stateful supervisor failover. Refined checks are in location to aid ensure that the state is steady and trusted in the course of the overall distributed architecture right after failover happens. • Trusted interprocess communication: Cisco NX-OS facilitates dependable communication amongst procedures to support assure that all messages are delivered and adequately acted on through failure and adverse circumstances. This communication will help make certain procedure synchronization and state consistency throughout procedures that might be instantiated on processors distributed above multiple 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 amongst command and I/O module processors. • Network-centered availability: Network convergence is optimized by supplying applications and features to make the two failover and fallback clear and rapidly. For example, Cisco NX-OS delivers Spanning Tree Protocol enhancements these as Bridge Protocol Knowledge Device (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to enable make certain the well being of the Spanning Tree Protocol control airplane Unidirectional Backlink Detection (UDLD) Protocol NSF sleek restart of routing protocols millisecond timers for Initial-Hop Resiliency Protocol (FHRP) Shortest-Path Initially (SPF) optimizations such as website link-state ad (LSA) pacing and incremental SPF IEEE 802.3ad website link aggregation with adjustable timers and Bidirectional Forwarding Detection (BFD). Serviceability • Troubleshooting and diagnostics: Cisco NX-OS is created with distinctive serviceability functions to permit community operators to take earlier motion based on network tendencies and gatherings, improving community organizing and strengthening community operations heart (NOC) and vendor response instances. Sensible Call Home, Cisco Generic On the net Diagnostics (GOLD), and Cisco Embedded Event Manager (EEM) are some of the features that increase the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN characteristic allows an administrator to evaluate all website traffic between ports (known as the SPAN source ports) by nonintrusively directing the SPAN session website traffic to a SPAN vacation spot port that has an external analyzer connected to it. Encapsulated Remote SPAN (ERSPAN) will allow remote monitoring of multiple switches across the network by encapsulating SPAN traffic into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS includes a built-in packet analyzer to keep an eye on and troubleshoot command- and knowledge-aircraft website traffic. The packet analyzer is dependent on the preferred Wireshark open resource network protocol analyzer. • Smart Get in touch with Residence: The Sensible Simply call House attribute continuously screens hardware and computer software parts to offer e mail-based notification of critical method occasions. A flexible variety of message formats is available for ideal compatibility with pager expert services, typical email, and XML-centered automated parsing programs. It delivers alert grouping abilities and customizable location profiles. This feature can be applied, for case in point, to right webpage a community aid engineer, ship an electronic mail message to a NOC, and employ Cisco AutoNotify companies to right produce a instance with the Cisco Technical Help Heart (TAC). This function is a phase towards autonomous program operation, enabling networking devices to inform IT when a challenge happens and supporting guarantee that the dilemma is acted on rapidly, lowering time to resolution and raising process uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic services to confirm that hardware and internal facts paths are operating as developed. Boot-time diagnostics, constant monitoring, standby fabric loopback exams, and on-need and scheduled checks are component of the Cisco GOLD attribute established. This industry-top diagnostics subsystem makes it possible for rapid fault isolation and ongoing technique monitoring vital in today's continually operating environments. • Cisco EEM: Cisco EEM is a strong machine and process administration know-how integrated into Cisco NX-OS. Cisco EEM helps consumers harness the network intelligence intrinsic to the Cisco application and allows them to customize behavior based mostly on network events as they happen. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Variations five and 9 exports as nicely as the Adaptable NetFlow configuration product and hardware-centered Sampled NetFlow for improved scalability. In addition to Layer 3 NetFlow, Layer 2 NetFlow is supported.416120812