What's New in this Document

This document is released with the SLX-OS 20.4.3 software release.

The following table describes information added to or modified in this guide for the SLX-OS 20.4.3 software release.

Table 1. Summary of changes
Feature	Description	Described in
Enabling Trust and Remark DSCP on Layer 2 Switch Port	New feature that enables Trust and Remark DSCP on Layer 2 Switch Ports. Multiple topics were modified for this addition.	Quality of Service DSCP-to-Traffic Class Mappings
Added Extreme 8820 support.	Support for new hardware, Extreme 8820, is added in this release.

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