Cisco Catalyst 3550

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Catalyst 3550 Multilayer Switch Command Reference
OL-8566-02
Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
auto qos voip
This example shows how to display the QoS configuration that is automatically generated when
auto-QoS is enabled:
Switch# debug auto qos
AutoQoS debugging is on
Switch# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# interface fastethernet0/1
Switch(config-if)# auto qos voip trust
Switch(config-if)#
4d22h:mls qos map cos-dscp 0 8 16 26 32 46 48 56
4d22h:mls qos min-reserve 5 170
4d22h:mls qos min-reserve 6 85
4d22h:mls qos min-reserve 7 51
4d22h:mls qos min-reserve 8 34
4d22h:mls qos
4d22h:interface FastEthernet0/1
4d22h: mls qos trust cos
4d22h: wrr-queue bandwidth 10 20 70 1
4d22h: wrr-queue min-reserve 1 5
4d22h: wrr-queue min-reserve 2 6
4d22h: wrr-queue min-reserve 3 7
4d22h: wrr-queue min-reserve 4 8
4d22h: no wrr-queue cos-map
4d22h: wrr-queue cos-map 1 0 1
4d22h: wrr-queue cos-map 2 2 4
4d22h: wrr-queue cos-map 3 3 6 7
4d22h: wrr-queue cos-map 4 5
4d22h: priority-queue out
Switchconfig-if)# interface gigabitethernet0/1
Switch(config-if)# auto qos voip cisco-phone
Switch(config-if)#
4d22h:interface GigabitEthernet0/1
4d22h: mls qos trust device cisco-phone
4d22h: mls qos trust cos
4d22h: wrr-queue bandwidth 10 20 70 1
4d22h: wrr-queue queue-limit 50 25 15 10
4d22h: no wrr-queue cos-map
4d22h: wrr-queue cos-map 1 0 1
4d22h: wrr-queue cos-map 2 2 4
4d22h: wrr-queue cos-map 3 3 6 7
4d22h: wrr-queue cos-map 4 5
4d22h: priority-queue out
Switch(config-if)#
You can verify your settings by entering the show auto qos interface interface-id privileged EXEC
command.
Related Commands Command Description
debug auto qos Enables debugging of the auto-QoS feature.
mls qos map {cos-dscp dscp1 ... dscp8 |
dscp-cos dscp-list to cos}
Defines the CoS-to-DSCP map or the DSCP-to-CoS map.
mls qos trust Configures the port trust state.
show auto qos Displays auto-QoS information.
show mls qos Displays global QoS configuration information.
show mls qos interface Displays QoS information at the interface level.
show mls qos maps Displays QoS mapping information.