Managing Network Traffic with QoS

About this course

Aggressive network traffic can cause serious congestion, disrupting critical applications like voice, video, and interactive services. This course equips you with the expertise to master Cisco’s powerful congestion management and Quality of Service (QoS) tools, ensuring essential applications maintain the performance needed to meet demanding service levels. You’ll learn to configure advanced queuing techniques—including Weighted Fair Queuing (WFQ), Class-Based WFQ, and Low Latency Queuing (LLQ)—and discover how to leverage congestion avoidance strategies such as Random Early Detection (RED), Weighted RED (WRED), and Explicit Congestion Notification (ECN) to minimize packet loss and delay. A strong focus is placed on practical skills: from policing and shaping traffic to maximize WAN efficiency to optimizing bandwidth for critical flows amid network congestion. Lessons extend to increasingly vital concepts like packet compression, link fragmentation, and interleaving—essential for maintaining performance even on low-speed WAN connections. This course stands out for its hands-on approach, blending real-world Cisco labs and best practices across the enterprise campus and WAN environments. By the end, you’ll be confident in implementing reliable, cost-effective network solutions that keep business operations running smoothly, even under challenging conditions.