--- title: "QoS sub-tab" slug: "qos-sub-tab" updated: 2023-04-19T15:59:27Z published: 2023-04-19T15:59:27Z canonical: "docs.zpesystems.com/qos-sub-tab" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.zpesystems.com/llms.txt > Use this file to discover all available pages before exploring further. # QoS sub-tab (read only) This displays traffic information from each configured QoS (Quality of Service) class/interface. If the QoS interface is bidirectional, two entries are shown (one for input and one for output). ![](https://cdn.document360.io/763c5fb1-b9af-4ccd-9ad6-cf28ae4cd5a3/Images/Documentation/image-1678288462312.png)