VLAN Management
Voice VLA N
Cisco Small Business 300 Series Managed Switch Administration Guide 206
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Enable Telephony OUI

—Enable Dynamic Voice VLAN in Telephony OUI
mode.
-

Disable

—Disable Auto Voice Vlan or Telephony OUI.
•Auto Voice VLAN Activation—If Auto Voice VLAN was enabled, select one
of the following options to activate Auto Voice VLAN:
-

Immediate

—Auto Voice VLAN on the device is to be activated and put
into operation immediately if enabled.
-

By External Voice VLAN Trigger

—Auto Voice VLAN on the device is
activated and put into operation only if the device detects a device
advertising the voice VLAN.
NOTE Manually re-configuring the voice VLAN ID, CoS/802.1p, and/or DSCP
from their default values results in a static voice VLAN, which has higher
priority than auto voice VLAN that was learned from external sources.
STEP 3 Click Apply. The VLAN properties are written to the Running Configuration file.
Displaying Auto Voice VLAN Settings
If Auto Voice VLAN mode is enabled, use the Auto Voice VLAN page to view the
relevant global and interface parameters.
You can also use this page to manually restart Auto Voice VLAN, by clicking
Restart Auto Voice VLAN. After a short delay, this resets the voice VLAN to the
default voice VLAN and restarts the Auto Voice VLAN discovery and
synchronization process on all the switches in the LAN that are Auto Voice VLAN
enabled.
NOTE This only resets the voice VLAN to the default voice vlan if the Source Type is in the

Inactive

state.
To view Auto Voice VLAN parameters:
STEP 1 Click VLAN Management > Voice V LAN > Auto Voice VLAN.
The Operation Status block on this page shows the information about the current
voice VLAN and its source:
•Auto Voice VLAN Status—Displays whether Auto Voice VLAN is enabled.
•Voice V LAN ID —The identifier of the current voice VLAN