A9K-8T/4-E Cisco 8-ports 10GE Medium Queue Line Card

A9K-8T/4-E Cisco 8-Port 10GE Line Card Overview

The Cisco A9K-8T/4-E line card is a high-performance networking component designed for the Cisco ASR 9000 Series routers. It provides eight ports of 10-Gigabit Ethernet (10GE) connectivity, enabling scalable and reliable network expansion. With medium queue capability and oversubscription support, this line card balances high throughput and efficient resource utilization.

Key Features of the A9K-8T/4-E Line Card

Engineered for robust networking environments, the A9K-8T/4-E line card offers an array of features that cater to modern networking demands:

• 8 x 10GE Ports: Delivers high-speed Ethernet connections to support data-intensive applications and services.
• Medium Queue Capability: Enhances traffic management and ensures optimal handling of data during peak loads.
• Oversubscription Support: Maximizes resource efficiency, allowing multiple ports to share bandwidth dynamically.
• Seamless Integration: Fully compatible with the Cisco ASR 9000 series, ensuring smooth deployment and scalability.
• Carrier-Grade Performance: Designed for service providers and large-scale enterprise networks, offering unmatched reliability and uptime.

Applications and Use Cases

The A9K-8T/4-E line card is versatile and fits into various networking scenarios:

Service Provider Networks

In service provider environments, this line card plays a critical role in delivering high-speed connections for end users, supporting residential broadband, business services, and mobile backhaul. Its medium queue functionality ensures quality of service (QoS) for diverse traffic types.

Enterprise Networks

Enterprises benefit from the A9K-8T/4-E line card's ability to handle bandwidth-heavy applications such as video conferencing, cloud computing, and big data analytics. Its oversubscription capability allows for cost-effective bandwidth management.

Data Center Interconnects

This line card facilitates high-speed interconnectivity between data centers, ensuring low latency and high throughput for critical applications and storage replication.Benefits of Medium Queue Support

Medium queue support on the A9K-8T/4-E line card is a standout feature that addresses specific networking needs:

• Traffic Optimization: Allows precise traffic flow control, reducing latency and improving application performance.
• Quality of Service: Ensures prioritized delivery of critical data, such as voice and video traffic.
• Scalability: Supports growing traffic demands without compromising performance.

Oversubscription: Balancing Performance and Efficiency

The oversubscription model implemented in the A9K-8T/4-E line card enables multiple ports to share a common bandwidth pool. This approach offers:

Cost-Effective Bandwidth Utilization

By dynamically allocating bandwidth where it is needed most, oversubscription minimizes idle capacity and reduces costs.

Improved Network Agility

Allows the network to adapt to varying traffic patterns, ensuring a consistent user experience even during peak usage periods.

Enhanced Redundancy

Supports failover mechanisms by redistributing bandwidth across active ports, maintaining service continuity.

Deployment Scenarios

Core Network Infrastructure

In core networks, the A9K-8T/4-E line card provides the backbone for high-capacity data transport, interconnecting major hubs with reliable and fast 10GE links.

Edge Networking

At the edge, this line card facilitates the aggregation of diverse traffic types from access networks, enabling seamless delivery to the core network.

High-Density Environments

The eight-port design is ideal for high-density environments requiring multiple high-speed connections, such as large enterprises, service providers, and data centers.

Maintenance and Management

Simplified Management Tools

The A9K-8T/4-E line card integrates seamlessly with Cisco's network management tools, offering centralized control and monitoring capabilities. Features include:

• Real-Time Monitoring: Enables administrators to track performance and detect issues promptly.
• Automated Configurations: Reduces manual effort with pre-set templates and automated provisioning.
• Advanced Analytics: Provides insights into traffic patterns and performance metrics for better decision-making.

Energy Efficiency

This line card is designed with energy efficiency in mind, featuring power optimization technologies that lower operational costs and support green networking initiatives.

Future-Proof Design

The Cisco A9K-8T/4-E line card is built to accommodate future networking needs, ensuring long-term investment protection. Its scalable architecture and robust features make it a valuable addition to any modern network infrast