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Catalyst 3560 Switch Software Configuration Guide
OL-8553-06
Chapter 34 Configuring QoS
Configuring Auto-QoS
Switch(config-if)# auto qos voip trust
Auto-QoS Configuration Example

This section describes how you could implement auto-QoS in a network, as shown in Figure 34-11. For

optimum QoS performance, enable auto-QoS on all the devices in the network.

Figure 34-11 Auto-QoS Configuration Example Network

Figure 34-11 shows a network in which the VoIP traffic is prioritized over all other traffic. Auto-QoS is

enabled on the switches in the wiring closets at the edge of the QoS domain.

Note You should not configure any standard QoS commands before entering the auto-QoS commands. You

can fine-tune the QoS configuration, but we recommend that you do so only after the auto-QoS

configuration is completed.

101234
Cisco router
To Internet
Trunk
link
Trunk
link
Cisco IP phones
End stations
Cisco IP phones
Video server
172.20.10.16
IP
IP
IP
IP
Identify this interface
as connected to a
trusted switch or router
Identify this interface
as connected to a
trusted switch or router
Identify these
interfaces as
connected to
IP phones
Identify these
interfaces as
connected to
IP phones