Cisco Catalyst 2960 Series

Finding Feature Information 539
Prerequisites for QoS 539
QoS ACL Guidelines 540
Policing Guidelines 540
General QoS Guidelines 541
Restrictions for QoS 541
Information About QoS 542
QoS Implementation 542
Layer 2 Frame Prioritization Bits 543
Layer 3 Packet Prioritization Bits 543
End-to-End QoS Solution Using Classification 544
QoS Basic Model 544
Actions at Ingress Port 544
Actions at Egress Port 545
Classification Overview 545
Non-IP Traffic Classification 545
IP Traffic Classification 546
Classification Flowchart 548
Access Control Lists 548
Classification Based on Class Maps and Policy Maps 549
Policing and Marking Overview 550
Physical Port Policing 550
Mapping Tables Overview 552
Queueing and Scheduling Overview 554
Weighted Tail Drop 554
SRR Shaping and Sharing 555
Queueing and Scheduling on Ingress Queues 556
Configurable Ingress Queue Types 557
WTD Thresholds 558
Buffer and Bandwidth Allocation 559
Priority Queueing 559
Queueing and Scheduling on Egress Queues 560
Egress Expedite Queue 561
Egress Queue Buffer Allocation 561
Buffer and Memory Allocation 561
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
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Contents