Cisco Systems WSC2960XR48FPSI manual Interface configuration mode

Configuring Voice VLANs

Configuring the Priority of Incoming Data Frames

to send data packets from the device attached to the access port on the Cisco IP Phone. The PC can generate packets with an assigned CoS value. You can configure the phone to not change (trust) or to override (not trust) the priority of frames arriving on the phone port from connected devices.

Follow these steps to set the priority of data traffic received from the non-voice port on the Cisco IP Phone:

SUMMARY STEPS

1.configure terminal

2.interface interface-id

3.switchport priority extend {cos value trust}

4.end

5.show interfaces interface-idswitchport

6.copy running-config startup-config

DETAILED STEPS

	Command or Action	Purpose
Step 1	configure terminal	Enters the global configuration mode.
	Example:
	Switch# configure terminal
Step 2	interface interface-id	Specifies the interface connected to the Cisco IP Phone, and enters
		interface configuration mode.
	Example:
	Switch(config)# interface
	gigabitethernet1/0/1

Step 3 switchport priority extend {cos value trust}

Example:

Switch(config-if)# switchport priority

extend trust

Sets the priority of data traffic received from the Cisco IP Phone access port:

•cos value—Configures 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—Configures the phone access port to trust the priority received from the PC or the attached device.

Note To return the port to its default setting, use the no switchport priority extend interface configuration command.

	Catalyst 2960-XR Switch VLAN Configuration Guide, Cisco IOS Release 15.0(2)EX1
156	OL-29440-01