Netgear M5300-52G3 Software Administration Manual - Page 184
CoS Queuing, Class of Service Queuing
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11. CoS Queuing Class of Service Queuing 11 This chapter describes Class of Service (CoS) queue mapping, CoS Configuration, and traffic shaping features. This chapter provides the following examples: • Show classofservice Trust on page 186 • Set classofservice Trust Mode on page 187 • Show classofservice IP-Precedence Mapping on page 188 • Configure Cos-queue Min-bandwidth and Strict Priority Scheduler Mode on page 189 • Set CoS Trust Mode for an Interface on page 190 • Configure Traffic Shaping on page 191 Each port has one or more queues for packet transmission. During configuration, you can determine the mapping and configuration of these queues. Based on the service rate and other criteria you configure, queues provide preference to specified packets. If a delay is necessary, the system holds packets until the scheduler authorizes transmission. As queues become full, packets are dropped. Packet drop precedence indicates the packet's sensitivity to being dropped during queue congestion. Select per interface configuration scheme: You can configure CoS mapping, queue parameters, and queue management are configurable per interface. Queue management is configurable per interface. Some hardware implementations allow queue depth management using tail dropping or weighted random early discard (WRED). Some hardware implementations allow queue depth management using tail dropping. The operation of CoS queuing involves queue mapping and queue configuration. Chapter 11. CoS Queuing | 184
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