List of Figures

Figure 1: Packet Flow Across the Network

Figure 2: M-series Packet Forwarding Engine Components and Data Flow

Figure 3: MX-series Packet Forwarding and Data Flow

Figure 4: Packet Handling on the M-series and T-series Routers

Figure 5: Packet Handling on the MX-series Routers

Figure 6: T-series Packet Forwarding Engine Components and Data Flow

Figure 7: CoS Classifier, Queues, and Scheduler

Figure 8: Packet Flow Through CoS Configurable Components

Figure 9: Customer-Facing and Core-Facing Forwarding Classes

Figure 10: Sample CoS-Based Forwarding

Figure 11: Segmented and Interpolated Drop Profiles

Figure 12: Segmented and Interpolated Drop Profiles

Figure 13: Flow of Tricolor Marking Policer Operation

Figure 14: Tricolor Marking Sample Topology

Figure 15: Packet Flow Across the Network

Figure 16: CoS with a Tunnel Configuration

Figure 17: Building a Scheduler Hierarchy

Figure 18: Handling Remaining Traffic

Figure 19: Another Example of Handling Remaining Traffic

Figure 20: Hierarchical Schedulers and Priorities

Figure 21: Example Topology for Router with Eight Queues