IBM 12.1(22)EA6 User Manual
23-15
Cisco Systems Intelligent Gigabit Ethernet Switch Modules for the IBM BladeCenter, Software Configuration Guide
24R9746
Chapter 23 Configuring QoS
Auto-QoS Configuration Example
Beginning in privileged EXEC mode, follow these steps to configure the switch at the edge of the QoS
domain to prioritize the VoIP traffic over all other traffic:
domain to prioritize the VoIP traffic over all other traffic:
Command
Purpose
Step 1
debug auto qos
Enable debugging for auto-QoS. When debugging is enabled, the switch
displays the QoS configuration that is automatically generated when auto-QoS
is enabled.
displays the QoS configuration that is automatically generated when auto-QoS
is enabled.
Step 2
configure terminal
Enter global configuration mode.
Step 3
cdp enable
Enable CDP globally. By default, it is enabled.
Step 4
interface interface-id
Specify the switch port connected to the Cisco IP Phone, and enter interface
configuration mode.
configuration mode.
Step 5
auto qos voip cisco-phone
Enable auto-QoS on the interface, and specify that the interface is connected to
a Cisco IP Phone.
a Cisco IP Phone.
The QoS labels of incoming packets are trusted only when the IP phone is
detected.
detected.
Step 6
exit
Return to global configuration mode.
Step 7
Repeat Steps 4 to 6 for as many ports as are connected to the Cisco IP Phone.
Step 8
interface interface-id
Specify the switch port identified as connected to a trusted switch or router, and
enter interface configuration mode. See
enter interface configuration mode. See
.
Step 9
auto qos voip trust
Enable auto-QoS on the interface, and specify that the interface is connected to
a trusted router or switch.
a trusted router or switch.
Step 10
end
Return to privileged EXEC mode.
Step 11
show auto qos
Verify your entries.
This command displays the auto-QoS command on the interface on which
auto-QoS was enabled. You can use the show running-config privileged EXEC
command to display the auto-QoS configuration and the user modifications.
auto-QoS was enabled. You can use the show running-config privileged EXEC
command to display the auto-QoS configuration and the user modifications.
For information about the QoS configuration that might be affected by
auto-QoS, see the “Displaying Auto-QoS Information” section on page 26-12.
auto-QoS, see the “Displaying Auto-QoS Information” section on page 26-12.
Step 12
copy running-config
startup-config
startup-config
Save the auto qos voip interface configuration commands and the generated
auto-QoS configuration in the configuration file.
auto-QoS configuration in the configuration file.