H3C Technologies H3C S3600 Series Switches - Manual (Page 142)

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To do... Use the command... Remarks
Enter interface view
interface interface-type
interface-number
—
Configure the interface to trust
the QoS priority settings in
incoming voice traffic, that is,
not to modify the CoS and
DSCP values marked for
incoming traffic of the voice
VLAN
voice vlan qos trust
Configure the interface to
modify the CoS and DSCP
values marked for incoming
traffic of the voice VLAN into
specified values
voice vlan qos cos-value
dscp-value
Required
Use either command
By default, an interface modifies
the CoS value and the DSCP
value marked for voice VLAN
traffic into 6 and 46 respectively.
The voice vlan qos command
and the voice vlan qos trust
command can overwrite each
other, whichever is configured
last.
Configure the QoS priority settings for voice traffic on an interface before enabling voice VLAN on the
interface. If the configuration order is reversed, your priority trust setting will fail.
Configuring the Voice VLAN to Operate in Automatic Voice VLAN Assignment Mode
Follow these steps to configure a voice VLAN to operate in automatic voice VLAN assignment mode:
To do… Use the command… Remarks
Enter system view system-view —
Set an OUI address that can be
identified by the voice VLAN
voice vlan mac-address oui
mask oui-mask [ description
text ]
Optional
By default, the switch
determines the voice traffic
according to the default OUI
address.
Enable the voice VLAN security
mode
voice vlan security enable
Optional
By default, the voice VLAN
security mode is enabled.
Set the voice VLAN aging timer voice vlan aging minutes
Optional
The default aging timer is 1440
minutes.
Enable the voice VLAN function
globally
voice vlan vlan-id enable Required
Enter Ethernet port view
interface interface-type
interface-number
Required
Enable the voice VLAN function
on a port
voice vlan enable
Required
By default, voice VLAN is
disabled.