Draytek Vigor2860 Series User Manual page 469

Note: The rate of outbound/inbound must be smaller than the real bandwidth to
ensure correct calculation of QoS. It is suggested to set the bandwidth value for
inbound/outbound as 80% - 85% of physical network speed provided by ISP to
maximize the QoS performance.
4. Return to previous page. Enter the Name of Index Class 1 by clicking Edit link. Type the
name "E-mail" for Class 1. Click OK to save the settings.
5. Click the Setup link for WAN2. The user can set reserved bandwidth (e.g., 25%) for
E-mail using protocol POP3 and SMTP. Click OK to save the settings.
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Vigor2860 Series User's Guide