Cisco A9K-2T20GE-B 2 Ports 10GB Router Line Card Refurbished

The A9K-2T20GE-B is a significant advancement in networking technology, specifically designed to meet the demands of high-performance data centers and service provider networks. This expansion module belongs to the ASR 9000 Series, a renowned product line known for its reliability, scalability, and cutting-edge features. In this detailed exploration, we will delve into the key aspects and functionalities of the A9K-2T20GE-B, with a focus on its 2-port 10 Gigabit Ethernet (GbE) Small Form-Factor Pluggable (SFP) and 20-port Gigabit Ethernet (GbE) XFP capabilities.

The A9K-2T20GE-B is a line card expansion module that significantly enhances the capabilities of the ASR 9000 Series routers. It is designed to provide a powerful combination of high-speed connectivity and flexibility, making it an ideal choice for networks requiring seamless handling of massive data traffic.

One of the standout features of the A9K-2T20GE-B is its 2-Port 10 Gigabit Ethernet (GbE) Small Form-Factor Pluggable (SFP) connectivity. This allows for lightning-fast data transfer rates of up to 10 gigabits per second (Gbps) per port. The Small Form-Factor Pluggable design ensures hot-swappability, enabling easy replacement or addition of modules without disrupting the entire network.

The use of SFP technology is a crucial aspect of the A9K-2T20GE-B's design. SFP modules are compact, interchangeable devices that support a variety of data communication standards. This modularity allows network administrators to choose the most suitable transceiver for their specific needs, promoting adaptability and reducing the risk of obsolescence.

In addition to its 10 GbE SFP ports, the A9K-2T20GE-B boasts an impressive 20-Port Gigabit Ethernet (GbE) XFP connectivity. This provides a versatile solution for environments where a balance between high-speed data transfer and a larger number of ports is essential.

The inclusion of XFP technology in the A9K-2T20GE-B's design represents a commitment to high-performance networking. XFP modules are known for their ability to support 10 Gbps data rates while maintaining a compact form factor. This is particularly beneficial in scenarios where space is a premium, such as in densely populated data centers.

Efficient queue management is a critical factor in ensuring optimal network performance. The ASR 9000 Series Medium Queue Line Card is an integral component of the A9K-2T20GE-B, addressing the challenges associated with queuing in high-traffic networks.

Scalability and Flexibility

The Medium Queue Line Card significantly enhances the scalability and flexibility of the ASR 9000 Series routers. It is designed to handle a large number of queues, allowing for fine-grained control over traffic prioritization. This is essential in diverse networking environments where different types of data require varying levels of attention.

• Traffic Prioritization: The Medium Queue Line Card enables precise traffic prioritization, ensuring that mission-critical applications receive the necessary bandwidth while preventing congestion in less critical areas.
• Reduced Latency: By efficiently managing queues, the line card contributes to reduced latency, enhancing the overall responsiveness of the network.
• Improved Quality of Service (QoS): Network administrators can implement sophisticated QoS policies with the Medium Queue Line Card, guaranteeing a consistent and reliable user experience.

The inclusion of 2-Port 10 Gigabit Ethernet (GbE) SFP and 20-Port Gigabit Ethernet (GbE) XFP ensures that the A9K-2T20GE-B delivers high-speed connectivity, meeting the demands of modern data-intensive applications.

The modular design of the A9K-2T20GE-B, with its Small Form-Factor plugable and XFP technologies, provides versatility and future-proofing. Network administrators can easily adapt to changing requirements by swapping or adding modules without overhauling the entire infrastructure.

The ASR 9000 Series Medium Queue Line Card enhances the scalability of the ASR 9000 Series routers and ensures efficient queuing, contributing to an optimized network performance even in high-traffic scenarios.

The A9K-2T20GE-B is designed to seamlessly integrate with the ASR 9000 Series routers, providing a cohesive and reliable networking solution. This integration streamlines management and monitoring, simplifying the overall network administration.

In data center environments, where high-speed connectivity and efficient traffic management are paramount, the A9K-2T20GE-B can play a crucial role. Its 10 GbE SFP ports are ideal for connecting to high-performance servers and storage systems, while the 20 GbE XFP ports accommodate the numerous connections often found in large-scale data centers.

Service providers require robust and scalable networking solutions to deliver reliable connectivity to their customers. The A9K-2T20GE-B's high-speed ports and queue management capabilities make it well-suited for service provider networks, ensuring consistent performance even during peak usage periods.

Large enterprises with diverse networking needs can benefit from the A9K-2T20GE-B's flexibility and scalability. Whether connecting multiple office locations or supporting a variety of applications, this expansion module provides the necessary performance and adaptability.

The Cisco A9K-2T20GE-B is a line card expansion module that is designed to maximize network efficiency in high-performance data center and service provider environments. It provides two 10 Gigabit Ethernet ports and twenty Gigabit Ethernet ports with XFP and SFP combo interfaces, allowing for flexible connectivity options and support for a wide range of network devices.

One of the key features of the A9K-2T20GE-B is its high-speed connectivity, which enables fast data transfer rates and low latency. The module supports line-rate forwarding and deep packet inspection, ensuring that network traffic is efficiently managed and processed. Additionally, it supports Quality of Service (QoS) and traffic shaping, allowing administrators to prioritize critical traffic and ensure that network resources are allocated appropriately.

The A9K-2T20GE-B is also designed for high availability, with redundant hot-swappable power supplies and field-replaceable units (FRUs). This ensures that the module can be easily serviced or replaced without disrupting network operations. Furthermore, it supports a range of security features, including Access Control Lists (ACLs), Port Security, and Secure Shell (SSH), helping to protect network resources and prevent unauthorized access.

Future Developments and Roadmap

The Cisco A9K-2T20GE-B is a line card expansion module that provides two 10 Gigabit Ethernet (10GbE) ports and twenty Gigabit Ethernet (GbE) ports with a combination of XFP and SFP interfaces. This module is designed for use with Cisco ASR 9000 Series Aggregation Services Routers, which are high-performance routers used by service providers and large enterprises to deliver high-speed connectivity to their customers.

Cisco is continually developing and improving its products, including the A9K-2T20GE-B line card expansion module. Here are some potential future developments and roadmap items for this module:

• Higher port density: Cisco may release a future version of the A9K-2T20GE-B module with even more ports, such as 40 GbE or 100 GbE interfaces.
• Advanced functionality: Cisco could also develop new software features and capabilities for the A9K-2T20GE-B module, such as enhanced Quality of Service (QoS) controls, improved security features, and better support for virtualization and cloud services.
• Compatibility with new hardware: As Cisco continues to develop new router hardware, they may release new versions of the A9K-2T20GE-B module that are optimized for use with these new routers.
• Increased performance: Cisco may improve the performance of the A9K-2T20GE-B module, either through hardware upgrades or software optimizations, to provide faster and more reliable connectivity for customers.
• Greater flexibility: Cisco could enhance the flexibility of the A9K-2T20GE-B module by adding support for additional interface types or by providing more options for configuring the module to meet specific customer needs.

• Manufacturer: Cisco
• Part Number or SKU# A9K-2T20GE-B
• Device Type: Expansion Module

• Application/Usage: Data Networking, I/O Expansions
• Number of Total Expansion Slots: 22
• Form Factor: Plug-in Module
• Expansion Slot Type: XFP, SFP (mini-GBIC)

• ASR 9000 Series Aggregation Services Routers

In general, the A9K-2T20GE-B 2-Port 10 Gigabit Ethernet (GbE) Small Form-Factor Pluggable (SFP) 20-Port Gigabit Ethernet (GbE) XFP ASR 9000 Series Medium Queue Line Card Expansion Module is a powerful and versatile solution for modern networking challenges. With its high-speed connectivity options, modular design, and efficient queue management capabilities, it addresses the needs of data centers, service provider networks, and large enterprises. The seamless integration with the ASR 9000 Series routers further enhances its value, providing a comprehensive networking solution that is both reliable and scalable. Whether used in isolation or as part of a larger network infrastructure, the A9K-2T20GE-B stands out as a key enabler of high-performance and future-ready networking.