3Com 3CRDSF9PWR-US - OfficeConnect Managed Fast Ethernet PoE Switch User Manual page 187

No Changes — Maintains the current Voice VLAN port settings.
■
This is the default value.
Voice VLAN Port Security — Specifies if port security is enabled on
■
the Voice VLAN. Port security ensures that packets arriving with an
unrecognized MAC address are dropped.
Enabled — Enables port security on the Voice VLAN.
■
Disabled — Disables port security on the Voice VLAN. This is the
■
default value.
No Changes — Maintains the current Voice VLAN port security
■
settings.
Select Port — Enables selecting specific ports to which the Voice
■
VLAN settings are applied. The ports are color-coded as follows:
Blue — Indicates the port is selected, and Voice VLAN settings are
■
applied to the port.
White — Indicates the port is not selected, and the Voice VLAN
■
settings are not applied to the port. This is the default value.
Grey — Indicates that the interface cannot be added to the Voice
■
VLAN.
Selected Ports — Lists the ports on which the Voice VLAN settings
■
are applied.
2 Select a port to configure. The port is highlighted blue.
3 Define the Voice VLAN Port Mode and Voice VLAN Security fields.
4 Click
device is updated.
. The Voice VLAN port settings are defined, and the
Configuring Voice VLAN 187