3Com 4210 9-Port - Configuring the Voice VLAN to Operate in Automatic Voice VLAN Assignment Mode

1-8
To do... Use the command... Remarks
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.
Enable the voice VLAN legacy
function on the port
voice vlan legacy
Optional
By default, voice VLAN legacy
is disabled.
Set the voice VLAN assignment
mode of the port to automatic
voice vlan mode auto
Optional
The default voice VLAN
assignment mode on a port is
automatic.