Interlogix NS3550-8T-2S User Manual - Manual (Page 181)

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4.9.15 Voice VLAN Configuration
The Voice VLAN feature enables voice traffic forwarding on the Voice VLAN, then the switch can classify and schedule network
traffic. It is recommended that there be two VLANs on a port - one for voice, one for data. Before connecting the IP device to the
switch, the IP phone should configure the voice VLAN ID correctly. It should be configured through its own GUI. The Voice VLAN
Configuration screen in
Figure 4-9-18 appears.
Figure 4-9-18: Voice VLAN Configuration Page Screenshot
The page includes the following fields:
Object Description
 Mode Indicates the Voice VLAN mode operation. We must disable MSTP feature
before we enable Voice VLAN. It can avoid the conflict of ingress filter. Possible
modes are:

Enabled : Enable Voice VLAN mode operation.

Disabled : Disable Voice VLAN mode operation.
 VLAN ID Indicates the Voice VLAN ID. It should be a unique VLAN ID in the system and
cannot equal each port PVID. It is conflict configuration if the value equal
management VID, MVR VID, PVID etc. The allowed range is 1 to 4095.
 Age Time Indicates the Voice VLAN secure learning age time. The allowed range is 10 to
10000000 seconds. It used when security mode or auto detect mode is enabled.
In other cases, it will based hardware age time. The actual age time will be
situated in the [age_time; 2 * age_time] interval.
 Traffic Class Indicates the Voice VLAN traffic class. All traffic on Voice VLAN will apply this
class.
34. Port Mode Indicates the Voice VLAN port mode. When the port mode isn't disabled, we must
disable MSTP feature before we enable Voice VLAN. It can avoid the conflict of
ingress filter. Possible port modes are:

Disabled : Disjoin from Voice VLAN.

Auto : Enable auto detect mode. It detects whether there is VoIP phone
attached on the specific port and configure the Voice VLAN members