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Flexibility and Scalability • Software program compatibility: Cisco NX-OS interoperates with Cisco merchandise jogging any variant of the Cisco IOS Computer software operating process. It also interoperates with any networking OS that conforms to the networking standards listed as supported in this facts sheet. • Widespread computer software during the info heart: Cisco NX-OS simplifies the info middle working natural environment and provides a unified OS made to operate all regions of the knowledge middle network, like storage, virtualization, and Layer 3 community protocols. • Modular software design and style: Cisco NX-OS is designed to assistance distributed multithreaded processing on symmetric multiprocessors (SMPs), multicore CPUs, and distributed line-card processors. Computationally intensive duties, this sort of as components table programming, can be offloaded to dedicated processors distributed across the line cards. Cisco NX-OS modular procedures are instantiated on demand, each in a individual shielded memory room. Thus, processes are began and method sources allotted only when a attribute is enabled. The modular processes are ruled by a real-time preemptive scheduler that helps ensure the timely processing of vital functions. • Virtual system contexts (VDCs): Cisco NX-OS gives the capacity to section OS and hardware sources into digital contexts that emulate digital devices. Every single VDC has its own software package processes, committed components means (physical interfaces, VLANs, routing table size, Digital Route Forwarding [VRF], and many others.), and independent conduite surroundings. VDCs are instrumental in the consolidation of independent networks onto a widespread infrastructure, retaining the administrative boundary separation and fault-isolation qualities of bodily separate networks even though offering quite a few of the running expense rewards of a simple infrastructure. Each and every VDC can be restarted without impacting the control, knowledge, or management aircraft of other VDCs in the process. • Support for Cisco Nexus Fabric Extender: The Cisco Nexus 7000 Series Switch can act as the mother or father switch for the Cisco Nexus 2248TP GE Fabric Extender, the Cisco Nexus 2224TP GE Fabric Extender, and the Cisco Nexus 2232PP 10GE Fabric Extender. Mainly because it is a rational extension of its mother or father switch, the Cisco Nexus Fabric Extender inherits the capabilities and benefits supplied 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 advantages of top rated-of-rack (ToR) and finish-of-row (EoR) community architectures, enabling knowledge centers to scale the amount of Gigabit Ethernet accessibility ports, minimizing cable runs, and reducing administration details in the network. Availability • Continuous system operation: Cisco NX-OS provides continuous system operation, permitting upkeep, upgrades, and application certification without assistance interruption. The mixture of course of action modularity, hitless In-Services Computer software Up grade (ISSU) capacity, and stateful swish restart mitigates the outcomes of software package upgrades and other operations. • Hitless ISSU: Hitless ISSU gives the capability to carry out clear computer software upgrades on platforms with redundant supervisors, lowering downtime and enabling clients to integrate the most recent characteristics and features with small or no negative outcome on community operation. • Clean improvement of enhancements and dilemma fixes: The modularity of Cisco NX-OS will allow new features, enhancements, and dilemma fixes to be transparently integrated into the software program. These updated pictures can then be put in without disruption making use of Cisco ISSU. • Approach survivability: Critical processes are run in secured memory room and independently of every other and the kernel, giving comprehensive support isolation and fault containment and enabling modular patching and upgrading and speedy restartability. Specific processes can be restarted independently with out loss of state info and devoid of impacting data forwarding, so that right after an update or failure, procedures restart in milliseconds without having negatively impacting adjacent units or expert services. Procedures with massive quantities of state this sort of as IP routing protocols are restarted using criteria-primarily based nonstop forwarding (NSF) swish restart mechanisms other procedures use a community persistent storage services (PSS) to retain their state. • Stateful supervisor failover: Redundant supervisors are held synchronized at all moments to help swift stateful supervisor failover. Refined checks are in put to help make sure that the state is consistent and dependable all through the overall distributed architecture soon after failover happens. • Reputable interprocess communication: Cisco NX-OS facilitates reliable communication between procedures to assist guarantee that all messages are sent and appropriately acted on in the course of failure and adverse problems. This communication can help make sure approach synchronization and state consistency across processes that could be instantiated on processors distributed over a number of 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 among command and I/O module processors. • Community-dependent availability: Community convergence is optimized by delivering equipment and capabilities to make the two failover and fallback transparent and fast. For example, Cisco NX-OS offers Spanning Tree Protocol enhancements this kind of as Bridge Protocol Knowledge Device (BPDU) guard, loop guard, root guard, BPDU filters, and bridge assurance to enable make sure the overall health of the Spanning Tree Protocol manage plane Unidirectional Link Detection (UDLD) Protocol NSF graceful restart of routing protocols millisecond timers for Initially-Hop Resiliency Protocol (FHRP) Shortest-Path 1st (SPF) optimizations this sort of as weblink-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 constructed with one of a kind serviceability features to make it possible for network operators to require earlier action centered on community developments and activities, enhancing network setting up and increasing network operations heart (NOC) and vendor reaction moments. Sensible Call Property, Cisco Generic On the web Diagnostics (GOLD), and Cisco Embedded Occasion Supervisor (EEM) are some of the characteristics that boost the serviceability of Cisco NX-OS. • Switched Port Analyzer (SPAN): The SPAN function enables an administrator to examine all visitors amongst ports (called the SPAN source ports) by nonintrusively directing the SPAN session targeted traffic to a SPAN location port that has an external analyzer attached to it. Encapsulated Remote SPAN (ERSPAN) will allow remote monitoring of several switches throughout the network by encapsulating SPAN website traffic into a generic routing encapsulation (GRE) tunnel. • Ethanalyzer: Cisco NX-OS incorporates a designed-in packet analyzer to check and troubleshoot control- and information-plane traffic. The packet analyzer is primarily based on the common Wireshark open supply community protocol analyzer. • Sensible Contact Property: The Sensible Call Household characteristic constantly screens hardware and computer software components to give email-centered notification of critical program gatherings. A versatile variety of message formats is offered for ideal compatibility with pager solutions, standard e-mail, and XML-primarily based automated parsing applications. It provides alert grouping abilities and customizable spot profiles. This characteristic can be applied, for case in point, to immediately page a community assistance engineer, send an e mail message to a NOC, and use Cisco AutoNotify providers to immediately produce a case with the Cisco Technical Help Heart (TAC). This characteristic is a step toward autonomous method operation, enabling networking units to inform IT when a challenge happens and assisting guarantee that the challenge is acted on speedily, decreasing time to resolution and growing technique uptime. • Cisco GOLD: Cisco GOLD is a suite of diagnostic services to validate that components and internal information paths are functioning as intended. Boot-time diagnostics, constant monitoring, standby fabric loopback tests, and on-need and scheduled tests are component of the Cisco GOLD attribute established. This marketplace-major diagnostics subsystem will allow rapid fault isolation and ongoing method monitoring essential in today's constantly working environments. • Cisco EEM: Cisco EEM is a effective unit and process administration technology built-in into Cisco NX-OS. Cisco EEM can help prospects harness the community intelligence intrinsic to the Cisco computer software and allows them to personalize conduct based on network gatherings as they take place. • Cisco NetFlow: The Cisco NX-OS implementation of NetFlow supports Versions 5 and nine exports as effectively as the Flexible NetFlow configuration design and hardware-centered Sampled NetFlow for improved scalability. In addition to Layer 3 NetFlow, Layer 2 NetFlow is supported.416120812