You can configure the switch port, which is connected with an IP phone, to use one VLAN for voice traffic and another VLAN for data traffic from a device attached to the access port of the IP phone. You can configure the Cisco IP phone to forward traffic with an IEEE 802.1p priority, and configure the switch to trust or override the traffic priority assigned by an IP phone. Based on IEEE 802.1p CoS, the switch supports quality of service (QoS) which uses classification and scheduling to send network traffic from the switch. The voice VLAN feature permits the switch ports to carry voice traffic with Layer 3 IP precedence and Layer 2 class of service (CoS) values from an IP phone. Refer to the Cisco Technical Tips Conventions for more information on document conventions. If your network is live, make sure that you understand the potential impact of any command. All of the devices used in this document started with a cleared (default) configuration. The information in this document was created from the devices in a specific lab environment. The information in this document is based on the Cisco Catalyst 2950 Switch. Have a basic understanding of voice VLAN.
#Cisco 2950 manual configuration series
Have a basic knowledge of configuration on Cisco Catalyst 2960/2950 Series Switches. Make sure that you meet these requirements before you attempt this configuration:
#Cisco 2950 manual configuration how to
Specifically, this document shows how to configure the voice VLAN feature on a Cisco Catalyst 2950 Switch.
This document provides a sample configuration for voice VLAN on Cisco Catalyst 2960/2950 Series Switches.
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