Cisco Systems WSC2960XR48TSI Auto-QoS Configuration Example

29-26
Catalyst 2960 Switch SoftwareConfiguration Guide
78-16881-01
Chapter29 Co nfiguring QoS
Configuring Auto-QoS
This example shows how to enable auto-QoS and to trust the QoS labels received in incoming packets
when the switch or router connected to a port is a trusted device:
Switch(config)# interface gigabitethernet0/1
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 29-10. For
optimum QoS performance, enable auto-QoS on all the devices in the n etwork.
Figure29-10 Auto-QoS Configuration Example Network
Figure 29-10 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 Q oS domain.
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