3Com 2924-SFP User Manual page 157

None — Indicates that the selected port/LAG will not be added to a
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Voice VLAN.
Manual — Adding a selected port/LAG to a Voice VLAN.
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Auto — Indicates that if traffic with an IP Phone MAC Address is
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transmitted on the port/LAG, the port/LAG joins the Voice VLAN.
The port/LAG is aged out of the voice VLAN if the IP phone's MAC
address (with an OUI prefix) is aged out and exceeds the defined. If
the MAC Address of the IP phones OUI was added manually to a
port/LAG in the Voice VLAN, the user cannot add it to the Voice
VLAN in Auto mode, only in Manual mode.
Voice VLAN Port Security — Indicates if port security is enabled on
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the Voice VLAN. Port Security ensures that packets arriving with an
unrecognized MAC address are dropped.
No Changes — Maintains the current Voice VLAN port security
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settings.
Enable — Enables port security on the Voice VLAN.
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Disable — Disables port security on the Voice VLAN. This is the
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default value.
Select Port — Enables selecting specific ports and LAGs to which the
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Voice VLAN settings are applied.
Selected (Blue) — Indicates the port or LAG is selected, and Voice
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VLAN settings are applied to the port.
Unselected — Indicates the port or LAG is not selected, and the
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Voice VLAN settings are not applied to the port/LAG. This is the
default value.
Selected Ports — Lists the ports and LAGS on which the Voice VLAN
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settings are applied.
2 Click a port in the Zoom View. The port is highlighted blue.
3 Define the Voice VLAN Port Mode and Voice VLAN Security fields.
4 Click Apply. The Voice VLAN port settings are defined, and the device is
updated.
Defining Voice VLAN 157