Policy-Based Qos Configurations - Dell S4048–ON Configuration Manual

S-series 10gbe switches

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Dell Networking OS Behavior: Rate shaping is effectively rate limiting because of its smaller buffer size. Rate shaping on tagged

ports is slightly greater than the configured rate and rate shaping on untagged ports is slightly less than configured rate.

Rate shaping buffers, rather than drops, traffic exceeding the specified rate until the buffer is exhausted. If any stream exceeds the

configured bandwidth on a continuous basis, it can consume all of the buffer space that is allocated to the port.

Apply rate shaping to outgoing traffic on a port.

INTERFACE mode

Apply rate shaping to a queue.

QoS Policy mode

Example of rate shape Command

Dell#configure terminal

Dell(conf)#interface tengigabitethernet 1/1

Dell(conf-if-te-1/1)#rate shape 500 50

Dell(conf-if-te-1/1)#end

Policy-Based QoS Configurations

Policy-based QoS configurations consist of the components shown in the following example.

Figure 114. Constructing Policy-Based QoS Configurations

Quality of Service (QoS)