HP ProCurve Series 6120 Blade Switches Advanced Traffic Management Guide

5-22
Quality of Service (QoS): Managing Bandwidth More Effectively
Using QoS Classifiers To Configure Quality of Service for Outbound Traffic
Figure 5-6. The Completed DSCP Policy Configuration for the Specified UDP/TCP Port Applications
The switch will now apply the DSCP policies in figure 5-6 to IPV4 packets
received in the switch with the specified UDP/TCP port applications. This
means the switch will:
■ Overwrite the original DSCPs in the selected packets with the new DSCPs
specified in the above policies.
■ Assign the 802.1p priorities in the above policies to the selected packets.
QoS IP-Device Priority
QoS Classifier Precedence: 2
The IP device option, which applies only to IPv4 packets, enables you to use
up to 256 IP addresses (source or destination) as QoS classifiers.
Where a particular device-IP address classifier has the highest precedence in
the switch for traffic addressed to or from that device, then traffic received
on the switch with that address is marked with the IP address classifier’s
configured priority level. Different IP device classifiers can have differing
priority levels.
ProCurve(config)# qos udp-port 23 dscp 15
ProCurve(config)# qos tcp-port 80 dscp 16
ProCurve(config)# qos tcp-port 914 dscp 17
ProCurve(config)# qos udp-port 1001 dscp 17
ProCurve(config)# show qos tcp-udp-port-priority
TCP/UDP port based priorities
| IP Packet Application |
Protocol | Type Port Apply rule | DSCP Priority
-------- + --------- ----------- ---------- + ------ -----------
UDP | IPV4 23 DSCP | 15 7
TCP | IPV4 80 DSCP | 16 5
TCP | IPV4 914 DSCP | 17 1
UDP | IPV4 1001 DSCP | 17 1
Classifier
DSCP Policy