What's New in this Document

This document is released with the SLX-OS 20.5.3 software release.

The following table describes information added to or modified in this guide for the SLX-OS 20.5.3 software release.

Table 1. Summary of changes

Feature	Description	Described in
Configuring QoS mutation map for SLX 9740 and Extreme 8820 devices.	Added new topic	Configuring a CoS Mutation map on SLX 9740 and Extreme 8820

For additional information, refer to the Extreme SLX-OS Release Notes for this version.