Netgear XSM4324CS CLI Manual Software Version 12.x - Page 439
Voice VLAN Commands
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M4300 Intelligent Edge Series Fully Managed Stackable Switches private-vlan This command configures the private VLANs and configures the association between the primary private VLAN and secondary VLANs. Format Mode private-vlan {association [add | remove] secondary-vlan-list | community | isolated | primary} VLAN Config Parameter association secondary-vlan-list community isolated primary Description Associates the primary and secondary VLAN. A list of secondary VLANs to be mapped to a primary VLAN. Designates a VLAN as a community VLAN. Designates a VLAN as the isolated VLAN. Designates a VLAN as the primary VLAN. no private-vlan This command restores normal VLAN configuration. Format Mode no private-vlan [association] VLAN Config 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. The switch can be configured to support voice VLAN on a port connecting to the VoIP phone. When a VLAN is associated with the voice VLAN port, then the VLAN id info is passed onto the VoIP phone using the LLDP-MED mechanism. The voice data coming from the VoIP phone is tagged with the exchanged VLAN ID; thus, regular data arriving on the switch is given the default PVID of the port, and the voice traffic is received on a predefined VLAN. Switching Commands 439 CLI Command Reference Manual