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Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide
OL-8915-03
Chapter 13 Configuring Voice VLAN
Displaying Voice VLAN
This example shows how to configure a port connected to a Cisco IP Phone to not change the priority of
frames received from the PC or the attached device:
Switch#
configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#
interface gigabitethernet0/1
Switch(config-if)#
switchport priority extend trust
Switch(config-if)#
end
To return the port to its default setting, use the
no switchport priority extend
interface configuration
command.
Displaying Voice VLAN
To display voice VLAN configuration for an interface, use the
show interfaces
interface-id
switchport
privileged EXEC command.
Step 3
switchport priority extend
{
cos
value
|
trust
}
Set the priority of data traffic received from the Cisco IP Phone access port:
•
cos
value
—Configure the phone to override the priority received from the
PC or the attached device with the specified CoS value. The value is a
number from 0 to 7, with 7 as the highest priority. The default priority is
cos
0.
•
trust
—Configure the phone access port to trust the priority received from
the PC or the attached device.
Step 4
end
Return to privileged EXEC mode.
Step 5
show interfaces
interface-id
switchport
Verify your entries.
Step 6
copy running-config
startup-config
(Optional) Save your entries in the configuration file.
Command
Purpose
