Chapter 11 QoS

Figure 39 DSCP Based QoS

The following table describes the labels in this screen.

Table 19 DSCP Based QoS

LABEL

DESCRIPTION

Mode

Select DSCP Based QoS to specify mapping rules between DSCP priority and IEEE

 

802.1p priority for incoming packets on the switch.

 

 

Change

Configure the following:

Priority

DSCP - Select the DSCP priority for which you want to change a priority mapping.

 

Priority - Select the IEEE 802.1p priority you want to assign to the packets with the

 

DSCP priority you specified in the DSCP field.

 

Click Change to view your changed settings.

 

Note: The changes are not applied until you click Apply Change

 

Settings.

 

 

DSCP,

This is a summary table of your DSCP to IEEE 802.1p priority mappings. The DSCP

Priority

column indicates the DSCP values of the incoming packets and the Priority column

 

indicates what IEEE 802.1p priority gets assigned to those packets.

 

 

Apply

Click this when you have reviewed the changes you want to make and you want to save

Change

them to the switch’s memory.

Settings

 

11.4.5 ToS Based QoS

You can configure the switch to assign a IEEE 802.1p priority to packets coming into the switch with Type of Service (ToS) priority assigned to them. Select ToS Based QoS in the QoS Enhancement Setting screen to view the following screen.

76

 

ES-1552 User’s Guide