ZyXEL Communications GS1920v2 Series User Manual page 310

• an untagged voice packet when the incoming port is a fixed port for voice VLAN.
• a tagged voice packet when the incoming port and VLAN tag belongs to a voice VLAN.
It then checks the source packet's MAC address against an OUI list. If a match is found, the packet is
considered as a voice packet.
You can set priority level to the Voice VLAN and add MAC address of IP phones from specific
manufacturers by using its ID from the Organizationally Unique Identifiers (OUI).
Click SWITCHING > VLAN > Voice VLAN Setup to display the configuration screen as shown.
Figure 223 SWITCHING > VLAN > Voice VLAN Setup
The following table describes the fields in the above screen.
Table 167 SWITCHING > VLAN > Voice VLAN Setup
LABEL DESCRIPTION
Voice VLAN Global Setup
Voice VLAN Click the second radio button if you want to enable the Voice VLAN feature. Enter a
VLAN ID number that is associated with the Voice VLAN.
Click the Disable radio button if you do not want to enable the Voice VLAN feature.
Priority Select the priority level of the voice traffic from 0 to 7. Default setting is 5. The higher the
numeric value you assign, the higher the priority for this voice traffic.
Apply Click Apply to save your changes to the Switch's run-time memory. The Switch loses these
changes if it is turned off or loses power, so use the Save link on the top navigation panel
to save your changes to the non-volatile memory when you are done configuring.
Cancel Click Cancel to begin configuring this section afresh.
Voice VLAN OUI Setup
Index This field displays the index number of the Voice VLAN.
OUI Address This field displays the OUI address of the Voice VLAN.
OUI Mask This field displays the OUI mask address of the Voice VLAN.
Description This field displays the description of the Voice VLAN with OUI address.
Select an entry's check box to select a specific entry. Otherwise, select the check box in
the table heading row to select all entries.
Chapter 49 VLAN
GS1920v2 Series User's Guide
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