382 Voice VLAN Commands
Voice VLAN Commands
This section describes the commands you use for Voice VLAN. Voice VLAN
enables switch ports to carry voice traffic with defined priority so as to enable
separation of voice and data traffic coming onto the port. The benefits of using
Voice VLAN is to ensure that the sound quality of an IP phone could be
safeguarded from deteriorating when the data traffic on the port is high.
Also the inherent isolation provided by VLANs ensures that inter-VLAN traffic
is under management control and that network- attached clients cannot initiate a
direct attack on voice components. QoS-based on IEEE 802.1P class of service
(CoS) uses classification and scheduling to sent network traffic from the switch
in a predictable manner. The system uses the source MAC of the traffic traveling
through the port to identify the IP phone data flow.
voice vlan (Global
Config)
Use this command to enable the Voice VLAN capability on the switch.
no voice vlan
(Global Config)
Use this command to disable the Voice VLAN capability on the switch.
voice vlan (Interface
Config)
Use this command to enable the Voice VLAN capability on the interface or range
of interfaces.
Default disabled
Format
voice vlan
Mode Global Config
Format
no voice vlan
Mode Global Config
Default disabled
Format
voice vlan {vlanid
id
| dot1p
priority
| none |
untagged}
Mode Interface Config
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