Cisco Catalyst 2960 Series User Manual

Configuration Examples
Example: Configuring Cisco IP Phone Voice Traffic
This example shows how to configure a port connected to a Cisco IP Phone to use the CoS value to classify
incoming traffic and to accept voice and data priority traffic tagged with VLAN ID 0:
Switch# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# interface gigabitethernet1/0/1
Switch(config-if)# mls qos trust cos
Switch(config-if)# switchport voice vlan dot1p
Switch(config-if)# end
To return the port to its default setting, use the no switchport voice vlan interface configuration command.
Related Topics
Configuring Cisco IP Phone Voice Traffic
Cisco IP Phone Voice Traffic, on page 2168
Example: Configuring the Priority of Incoming Data Frames
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 gigabitethernet1/0/1
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.
Related Topics
Configuring the Priority of Incoming Data Frames , on page 2173
Cisco IP Phone Data Traffic, on page 2169
Where to Go Next
After configuring voice VLANs, you can configure the following:
•
VLANs
•
VLAN Trunking
•
VTP
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
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Configuration Examples

Cisco Catalyst 2960 Series Specifications

General

Layer	Layer 2
Power over Ethernet (PoE)	Available on some models
RAM	128 MB
Flash Memory	32 MB
MAC Address Table Size	8000
Operating Temperature	0°C to 45°C (32 to 113°F)
Ports	24 or 48 x 10/100/1000