New in this Release

Version 21.2.1.0 of the Extreme 9920 software with the NPB application offers 400G Line Card Support and offers defect fixes .

Table 1. Feature Updates

Feature	Description
400G Line Card Support	Extreme 9920 software supports 400G speed on the line card. For more information, refer to the Extreme 9920 Software Configuration Guide, 21.2.1.0 .

For more information, refer to Defects Closed With Code Changes.