Priority Level: Indicates the priority level the packets with tag are mapped to. The
priority levels are labeled as TC0, TC1, TC2 and TC3.
Note:
To complete QoS function configuration, you have to go to the Schedule Mode page to select a
schedule mode after the configuration is finished on this page.
Configuration Procedure:
Step Operation Description
1 Configure the mapping
relation between the DSCP
priority and TC
Required. On QoSDiffServDSCP Priority page,
enable DSCP Priority and configure the mapping
relation between the DSCP priority and TC.
2 Select a schedule mode Required. On QoSDiffServSchedule Mode
page, select a schedule mode.
9.2 Bandwidth Control
Bandwidth function, allowing you to control the traffic rate and broadcast flow on each port to
ensure network in working order, can be implemented on Rate Limit and Storm Control pages.

9.2.1 Rate Limit

Rate limit functions to control the ingress/egress traffic rate on each port via configuring the
available bandwidth of each port. In this way, the network bandwidth can be reasonably distributed
and utilized.
Choose the menu QoSBandwidth ControlRate Limit to load the following page.
Figure 9-10 Rate Limit
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