7368 ISAM CPE A-020W-A Product Guide Configure a A-020W-AIssue: 01 3FE-47511-AAAA-TCZZA 693 Click Save.4 STOP. This procedure is complete.Procedure 22 QoS configuration1 Select Network > QoS Config from the top-level menu in the Ethernet Gateway window.Figure 26 shows the window for configuring QoS L2 (Layer 2 packet sizes).Figure 26 QoS Config window (L2)Figure 27 shows the window for configuring QoS L3 (Layer 3 packet sizes).