Cisco Catalyst 2950 - Displaying Qos Information; Qos Configuration Examples

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Catalyst 2950 Desktop Switch Software Configuration Guide
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Chapter 13 Configuring QoS
Displaying QoS Information
Displaying QoS Information
To display the current QoS information, use one or more of the privileged EXEC commands in
Table 13-5:
This example shows how to display the DSCP-to-CoS maps:
Switch# show mls qos maps dscp-cos
Dscp-cos map:
dscp: 0 8 10 16 18 24 26 32 34 40 46 48 56
-----------------------------------------------
cos: 0 112233445567
QoS Configuration Examples
Note These examples are applicable only if your switch is running the enhanced software image.
This section provides a QoS migration path to help you quickly implement QoS features based on your
existing network and planned changes to your network, as shown in Figure 13-4. It contains this
information:
• QoS Configuration for the Common Wiring Closet, page 13-26
• QoS Configuration for the Intelligent Wiring Closet, page 13-27
Table 13-5 Commands for Displaying QoS Information
Command Purpose
show class-map [class-map-name]
1
1. Available only on a switch running the enhanced software image.
DisplayQoSclassmaps,whichdefinethematchcriteriato
classify traffic.
show policy-map [policy-map-name [class class-name]]
1
Display QoS policy maps, which define classification criteria for
incoming traffic.
show mls qos maps [cos-dscp | dscp-cos]
1
Display QoS mapping information. Maps are used to generate an
internal DSCP value, which represents the priority of the traffic.
show mls qos interface [interface-id][policers]
1
Display QoS information at the interface level, including the
configuration of the egress queues and the CoS-to-egress-queue
map, which interfaces have configured policers, and ingress and
egress statistics (including the number of bytes dropped).
2
2. You can define up to 16 DSCP values for which byte or packet statistics are gathered by hardware by using the mls qos monitor {bytes | dscp dscp1 ...
dscp8 | packets} interface configuration command and the show mls qos interface statistics privileged EXEC command.
show mls masks [qos | security]
1
Display details regarding the masks
3
used for QoS and security
ACLs.
3. Access Control Parameters are called masks in the switch CLI commands and output.
show wrr-queue cos-map Display the mapping of the CoS priority queues.
show wrr-queue bandwidth Display the WRR bandwidth allocation for the CoS priority
queues.