IronPort Systems ES-1528 User Manual

Chapter 11 QoS

ES-1528 User’s Guide

The following sections describe additional methods for setting priority for incoming packets 
on the ports. The switch allows you to choose one of the following methods: 
Port Based QoS, DSCP Based QoS, ToS Based QoS or IP Address Based QoS.

You can configure the switch to assign a IEEE 802.1p priority to packets based on the ingress 
(incoming) port of the packet. Select Port Based QoS in the QoS Enhancement Setting 
screen to view the following screen.

Figure 38   Port Based QoS 

The following table describes the labels in this screen.  

Table 18   Port Based QoS 

Mode

Select Port Based QoS to specify priority rules based on the port of incoming packets. 

Change 

Priority

Configure the following:
•

Port - Select the number of the port for which you want to assign IEEE 802.1p priority 

to incoming frames.

•

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

into the switch on the port specified in the Port field.

Click Change to view your changed settings.