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Quality of Service (QoS) is a set of tools that make it possible for you to manage traffic across a switch or a network. These tools protect specific traffic from the effects of network congestion. You can enable these features for a module or individual ports on a module to control the flow of traffic across your network. This control makes it possible for you to guarantee that delay-sensitive traffic such as voice over IP (VoIP) receives the priority it requires, while also ensuring that the switch services other low priority data.
QoS makes it possible for you to prioritize time-sensitive traffic and assign larger amounts of bandwidth to those applications that require it.
For more information on QoS, see Chapter 25:�80-Series QoS.
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