6-2
Quality of Service (QoS): Managing Bandwidth More Effectively
Contents
QoS VLAN-ID (VID) Priority . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-46
Assigning a Priority Based on VLAN-ID . . . . . . . . . . . . . . . . . . . . 6-46
Assigning a DSCP Policy Based on VLAN-ID (VID) . . . . . . . . . . . 6-48
QoS Interface (Source-Port) Priority . . . . . . . . . . . . . . . . . . . . . . . . . . 6-52
Assigning a Priority Based on Source-Port . . . . . . . . . . . . . . . . . . 6-52
Assigning a DSCP Policy Based on the Source-Port . . . . . . . . . . 6-54
Differentiated Services Codepoint (DSCP) Mapping . . . . . . . . . . . . . 6-58
Default Priority Settings for Selected Codepoints . . . . . . . . . . . . 6-59
Quickly Listing Non-Default Codepoint Settings . . . . . . . . . . . . . 6-60
Note On Changing a Priority Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-61
Example of Changing the Priority Setting on a Policy When
One or More QoS Types Are Currently Using the Policy . . . . . . 6-62
IP Multicast (IGMP) Interaction with QoS . . . . . . . . . . . . . . . . . . . . . . . . . 6-65
QoS Messages in the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-65
QoS Operating Notes and Restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-66