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Catalyst 2950 Desktop Switch Software Configuration Guide
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Chapt er 26 Conf i gurin g QoS
Displaying QoS Information
To disab le th e WRR sc he dule r an d e na ble th e stri ct prio ri ty sc hedu l er, u se the
no wrr-queue bandwidth global configuration command.

Displaying QoS Information

To display QoS inform ation, use one or mo re of the privileged EXEC comm ands in Table 26-5:
Table 26-5 Commands for Displaying QoS Information
Command Purpose
show class-map [class-map-name]1
1. Available only on a switch running the EI.
Display QoS clas s maps, wh ich define the matc h criteria to
class ify tra ffic.
show policy- map [policy-map-name [class class-name]]1 Display QoS policy maps, which define classification criteria for
inco ming t ra ffic.
show mls qos maps [cos-dscp | dscp-cos]1Display QoS mapping information. Maps are used to generate an
internal DSCP value, w hich represents the prio rity of th e traffic.
show mls qos interface [interface-id] [policers]1Display QoS information at the interface level, including the
configuration of the egress queues and the CoS-to-egre ss-queue
map, which interf aces hav e confi gured po lic ers, an d i ng r es s and
egress statistics (in cluding th e number of bytes drop ped).2
2. You can define up to 13 DSCP values for which byte or packet statistics are gathered by hardware by using the show mls qos int erfac e statisti cs
privileged EXEC command.
show mls masks [qos | security]1Display details regarding the masks3 used fo r Qo S a nd sec ur ity
ACLs.
3. Access con trol parameters are called masks in the switch CLI commands and output.
show wrr-queue cos-map Display the mappi ng of the CoS priority que ues.
show wrr-queue bandwidth Display the WRR bandwidth allocation for the CoS priority
queues.