Cisco 4500M Software Manual page 397

Chapter 29 Configuring QoS
To configure the switch at the edge of the QoS domain to prioritize the VoIP traffic over all other traffic,
perform this task:
Command
Step 1
Switch# debug auto qos
Step 2
Switch# configure terminal
Step 3
Switch(config)# cdp enable
Step 4
Switch(config)# interface
fastethernet2/3
Step 5
Switch(config-if)# auto qos
voip cisco-phone
Step 6
Switch(config)# interface
fastethernet2/5
Step 7
Switch(config)# auto qos voip
cisco-phone
Step 8
Switch(config)# interface
fastethernet2/7
Step 9
Switch(config)# auto qos voip
cisco-phone
Step 10
Switch(config)# interface
gigabit1/1
Step 11
Switch(config)# auto qos voip
trust
Step 12
Switch(config)# end
Step 13
Switch# show auto qos
Step 14
Switch# show auto qos
interface interface-id
Step 15
Switch# copy running-config
startup-config
OL-6696-01
Purpose
Enables debugging for auto-QoS. When debugging is enabled,
the switch displays the QoS configuration that is automatically
generated when auto-QoS is enabled.
Enters global configuration mode.
Enables CDP globally. By default, CDP is enabled.
Enters interface configuration mode.
Enables auto-QoS on the interface, and specifies that the interface
is connected to a Cisco IP phone.
The CoS labels of incoming packets are trusted only when the IP
phone is detected.
Enters interface configuration mode.
Enables auto-QoS on the interface, and specifies that the interface
is connected to a Cisco IP phone.
Enters interface configuration mode.
Enables auto-QoS on the interface, and specifies that the interface
is connected to a Cisco IP phone.
Enters interface configuration mode.
Enables auto-QoS on the interface, and specifies that the interface
is connected to a trusted router or switch.
Returns to privileged EXEC mode.
Verifies your entries.
This command displays the auto-QoS configuration that is
initially applied; it does not display any user changes to the
configuration that might be in effect.
For information about the QoS configuration that might be
affected by auto-QoS, see the
Information" section on page
Verifies your entries.
This command displays the auto-QoS configuration that was
initially applied; it does not display any user changes to the
configuration that might be in effect.
Saves the auto qos voip interface configuration commands and
the generated auto-QoS configuration in the configuration file.
Software Configuration Guide—Release 12.2(25)EW
Configuring Auto-QoS
"Displaying Auto-QoS
29-19.
29-21