Cisco C1-N9K-C9516 ONE Nexus 9516 Switch Chassis Refurbished

The Cisco C1-N9K-C9516 ONE Nexus 9516 Switch Chassis is a behemoth in the world of networking, serving as a foundational element for robust and scalable network infrastructures. In this comprehensive guide, we will explore the key features, performance capabilities, and diverse applications of the C1-N9K-C9516 ONE Nexus 9000 Series. Whether you are an IT professional, a network administrator, or someone curious about advanced networking solutions, this guide aims to provide a detailed understanding of this Cisco switch chassis.

The Cisco C1-N9K-C9516 ONE Nexus 9516 Switch Chassis is a flagship offering from Cisco's Nexus 9000 Series, renowned for its high-performance switching capabilities. Let's delve into the essential components and functionalities that define this networking powerhouse.

Understanding the key features of the C1-N9K-C9516 is crucial for grasping its capabilities within a network infrastructure. Let's explore the standout features that make this switch chassis a preferred choice for enterprise-grade networking.

The C1-N9K-C9516 ONE Nexus 9516 is equipped with a scalable 16-slot chassis, providing ample space for various line cards and modules. This scalability allows organizations to expand their network infrastructure seamlessly, accommodating the evolving needs of a growing enterprise.

With its high switching capacity, the Nexus 9516 can handle substantial volumes of data traffic. This is essential for enterprises dealing with large-scale data transfers, video streaming, and other bandwidth-intensive applications, ensuring a smooth and responsive network experience.

The C1-N9K-C9516 supports a unified fabric, streamlining data center operations by converging storage and data networking onto a single, efficient infrastructure. This simplifies management and enhances resource utilization, contributing to a more agile and cost-effective data center.

Cisco places a strong emphasis on security, and the Nexus 9516 is no exception. The switch chassis incorporates advanced security features such as Access Control Lists (ACLs), TrustSec, and role-based access control, providing a robust defense against unauthorized access and potential threats.

Ensuring high availability is a priority in critical network environments. The Nexus 9516 offers modular redundancy, allowing for the replacement or upgrade of individual components without disrupting overall network operations. This enhances reliability and minimizes downtime during maintenance.

The 16-slot chassis design of the C1-N9K-C9516 ONE Nexus 9516 is a defining feature that caters to the scalability requirements of modern enterprises. Let's delve deeper into the significance of this design and how it accommodates the evolving demands of network infrastructures.

The 16-slot chassis provides organizations with the flexibility to expand their network infrastructure as needed. Whether deploying additional line cards for increased port density or integrating specialized modules for specific functionalities, the Nexus 9516 offers the necessary slots to accommodate diverse requirements.

As enterprises grow and their networking needs evolve, the scalability of the Nexus 9516 becomes a strategic advantage. The ability to add new components or upgrade existing ones ensures that the network infrastructure remains aligned with business objectives, effectively future-proofing investments in networking technology.

In scenarios where a high density of network ports is required, such as in large data centers or enterprise campuses, the 16-slot chassis becomes invaluable. This design allows for the deployment of numerous line cards, each offering multiple ports, and facilitating high-density connectivity for various devices and applications.

The high switching capacity of the C1-N9K-C9516 ONE Nexus 9516 is a critical aspect of its performance capabilities. Let's explore why high switching capacity is essential and how it optimizes the flow of data within a network.

In today's data-centric landscape, where organizations deal with massive volumes of data on a daily basis, a switch chassis must have the capacity to handle these large data volumes efficiently. The Nexus 9516's high switching capacity ensures that it can manage the substantial data flows characteristic of modern enterprises.

Applications that demand significant bandwidth, such as video conferencing, real-time collaboration tools, and cloud-based services, benefit from the high switching capacity of the Nexus 9516. This capability ensures that the network can support multiple bandwidth-intensive applications simultaneously without degradation in performance.

High switching capacity contributes to lower latency in data transmission. Reduced latency is crucial for applications that require real-time responsiveness, such as financial transactions, video streaming, and online gaming. The Nexus 9516's capacity to swiftly switch and forward data packets helps minimize latency, enhancing the overall user experience.

The concept of a unified fabric is central to the Nexus 9516's design philosophy. Let's explore the significance of a unified fabric in streamlining data center operations and improving overall efficiency.

A unified fabric consolidates storage and data networking onto a single infrastructure. Traditionally, storage and networking functions operated on separate networks, leading to increased complexity and resource inefficiency. The Nexus 9516's unified fabric simplifies this architecture, promoting convergence and efficient resource utilization.

Managing a unified fabric is inherently more straightforward than overseeing separate networks for storage and data. With the Nexus 9516, administrators can configure, monitor, and troubleshoot both storage and data networking aspects from a centralized interface, reducing the overall complexity of data center management.

A unified fabric enhances resource optimization by allowing the seamless sharing of bandwidth between storage and data applications. This adaptability ensures that resources are allocated based on demand, optimizing overall network performance and preventing bottlenecks that can occur in traditional, non-converged architectures.

Security is paramount in modern networking environments, and the Nexus 9516 incorporates advanced security features to safeguard network integrity. Let's explore the security mechanisms integrated into this switch chassis.

Access Control Lists (ACLs) are a fundamental security feature that allows administrators to control which network traffic is allowed or denied. The Nexus 9516 supports ACLs, enabling granular control over data flows and enhancing the ability to protect against unauthorized access or potential threats.

Cisco TrustSec is an identity-based networking solution that enhances security by assigning and enforcing policies based on user and device identity. The Nexus 9516 leverages TrustSec to create secure access policies, ensuring that only authorized entities can access specific resources within the network.

Role-Based Access Control (RBAC) is a security mechanism that restricts network access based on predefined roles and responsibilities. The Nexus 9516 supports RBAC, allowing administrators to define roles and assign appropriate permissions, reducing the risk of unauthorized configuration changes or access to sensitive network components.

High availability is a critical requirement in network infrastructures, and the Nexus 9516 addresses this need through its modular redundancy capabilities. Let's explore how modular redundancy enhances reliability and minimizes downtime.

Component-Level Redundancy

Modular redundancy in the Nexus 9516 allows for redundancy at the component level. This means that individual modules, line cards, or power supplies can be duplicated within the chassis. In the event of a failure in one component, the redundant counterpart takes over seamlessly, ensuring uninterrupted network operations.

Hot-Swappable Modules

The ability to hot-swap modules is a key aspect of modular redundancy. Hot-swappability allows administrators to replace or upgrade individual modules without shutting down the entire switch chassis. This feature contributes to high availability by minimizing downtime during routine maintenance or in the event of a component failure.

Enhanced Reliability in Critical Environments

In critical environments where network downtime is not acceptable, such as financial institutions, healthcare facilities, or telecommunications hubs, the Nexus 9516's modular redundancy provides a level of reliability that is crucial for uninterrupted service delivery.

Applications and Use Cases

The Cisco C1-N9K-C9516 ONE Nexus 9516 Switch Chassis finds applications across diverse scenarios where its features and capabilities are leveraged to meet specific networking needs. Let's explore some key use cases where the Nexus 9516 excels.

Large Data Centers

In large data centers handling extensive computational workloads, storage operations, and high-density connectivity requirements, the Nexus 9516 shines. Its scalable 16-slot chassis, high switching capacity, and unified fabric make it an ideal choice for the backbone of data center networks.

Enterprise Campus Networks

For enterprise campuses with a high volume of users, devices, and applications, the Nexus 9516 provides the scalability and performance needed to support these diverse requirements. Its ability to handle large data volumes and provide high-density connectivity makes it suitable for large-scale enterprise deployments.

Service Providers

Telecommunications service providers dealing with massive data traffic and diverse service offerings benefit from the Nexus 9516's robust capabilities. Its high switching capacity and modular redundancy ensure that service providers can deliver reliable and high-performance networking services to their customers.

• Manufacturer: Cisco
• Part Number or SKU# C1-N9K-C9516
• Product Type: Switch Chassis

• Modular: Yes (This means the device has a modular design, allowing components to be added or replaced.)
• Port/Expansion Slot Details: 16 x Expansion Slot (There are 16 slots available for adding additional components.)

• Number of Total Expansion Slots: 16 (The total count of slots available for adding extra components.)
• Expansion Slot Type: Line Card (The type of expansion slot designed for adding line cards, which are additional modules for network devices.)

• Layer Supported: 3 (The device supports Layer 3 of the OSI model, indicating its capabilities in network communication.)

• Manageable: Yes (The device can be managed, indicating it has settings and configurations that can be controlled.)

Power Description

• Power Source: Power Supply (The device is powered through an external power supply.)
• Redundant Power Supply Supported: Yes (The device supports redundant power supply, providing backup in case of power failure.)

Outline, the C1-N9K-C9516 ONE Nexus 9516 Switch Chassis is not just a networking device; it's a strategic investment in the foundation of a robust and future-proof network infrastructure. Whether you're an IT professional tasked with managing complex networks or an organization seeking a networking solution that scales with your growth, the Nexus 9516 exemplifies the pinnacle of Cisco's networking expertise.