3com S7906E Instruccion De Instalación
4-6
To do...
Use the command...
Remarks
Set the
interface not
to trust priority
carried in
incoming
voice VLAN
traffic
interface not
to trust priority
carried in
incoming
voice VLAN
traffic
voice vlan qos cos-value
dscp-value
dscp-value
Set the priority
trust setting
on the
interface
trust setting
on the
interface
Set the
interface to
trust the
priority carried
in incoming
voice VLAN
traffic
interface to
trust the
priority carried
in incoming
voice VLAN
traffic
voice vlan qos trust
Optional
Use either command.
By default, an interface does not
trust the priority carried in
incoming voice VLAN traffic, and
the CoS precedence value and
the DSCP value marked for voice
VLAN traffic are 6 and 46
respectively.
trust the priority carried in
incoming voice VLAN traffic, and
the CoS precedence value and
the DSCP value marked for voice
VLAN traffic are 6 and 46
respectively.
z
Configure the QoS priority trust mode and priority settings for voice VLAN traffic on an interface
before enabling voice VLAN on the interface. If the configuration order is reversed, your priority
trust setting will fail.
z
The voice vlan qos cos-value dscp-value command and the voice vlan qos trust command can
overwrite the other, whichever is configured the last.
Setting a Port to Operate in Manual Voice VLAN Assignment Mode
Follow these steps to set a port to operate in manual voice VLAN assignment mode:
To do...
Use the command...
Remarks
Enter system view
system-view
—
Enable the voice VLAN security
mode
mode
voice vlan security enable
Optional
Enabled by default.
Add a recognizable OUI
address
address
voice vlan mac-address oui
mask oui-mask [ description
text ]
mask oui-mask [ description
text ]
Optional
for the default OUI addresses
of different vendors.
of different vendors.
Enter interface view
interface interface-type
interface-number
interface-number
—
Configure the port to operate in
manual voice VLAN
assignment mode
manual voice VLAN
assignment mode
undo voice vlan mode auto
Required
Disabled by default