User Manual

Table Of Contents
To configure a single interface, select the check box associated with the interface,
or type the interface number in the Go To Interface field and click the Go button.
To configure multiple interfaces with the same settings, select the check box
associated with each interface.
To configure all interfaces with the same settings, select the check box in the
heading row.
8.
From the Interface Mode menu, select the voice VLAN mode:
Disable: This is the default value.
None: Allows an IP phone to use its own configuration to send untagged voice
traffic.
VLAN ID: An IP phone must be configured to send tagged voice traffic.
Dot1p: Configure voice VLAN 802.1p priority tagging for voice traffic.
If you select this mode, enter the dot1p value in the Value field.
Untagged: An IP phone must be configured to send untagged voice traffic.
9.
From the CoS Override Mode menu, select one of the following:
Enable: The interface ignores (that is, overrides) the 802.1p priority value in the
Ethernet frames it receives from connected devices. The DSCP field overrides the
CoS value.
Disable: The interface trusts the priority value in the received frame. The default
is Disable.
10.
From the Authentication Mode menu, select one of the following:
Enable: Voice traffic is allowed on an unauthorized voice VLAN interface. The
default is Enable.
Disable: Voice traffic is allowed only an authorized voice VLAN interface, for which
dot1x must be enabled (see Manage port authentication on individual ports on
page 554).
11.
In the DSCP Value field, configure the DSCP value for the interface.
The range is from 0 to 64. The default is 0.
12. Click the Apply button.
Your settings are saved.
The Operational State field displays the operational status of the voice VLAN on the
interface.
13.
To save the settings to the running configuration, click the Save icon.
Main User Manual215Configure Switching Information
AV Line of Fully Managed Switches M4250 Series Main User Manual