3Com 3CDSG10PWR User Guide - Page 178

178 CHAPTER 13: CONFIGURING QUALITY OF SERVICE The Voice VLAN Port Setup Page contains the following fields: ■ Voice VLAN Port Mode - Specifies the Voice VLAN mode. The possible field values are: ■ No Changes - Maintains the current Voice VLAN port/LAG settings. This is the default value. ■ None - Indicates that the selected port/LAG will not be added to a Voice VLAN. ■ Manual - Adding a selected port/LAG to a Voice VLAN. ■ Auto - Indicates that if traffic with an IP Phone MAC Address is 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 voice VLAN aging time. 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 - Specifies if port security is enabled on 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 settings. ■ Enable - Enables port security on the Voice VLAN. ■ Disable - Disables port security on the Voice VLAN. This is the default value. ■ Select Port - Enables selecting specific ports and LAGs to which the Voice VLAN settings are applied. The ports are color-coded as follows: ■ Blue - Indicates the port or LAG is selected, and Voice VLAN settings are applied to the port. ■ White - Indicates the port or LAG is not selected, and the Voice VLAN settings are not applied to the port/LAG. This is the default value. ■ Select Ports - Lists the ports and LAGs 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 . The Voice VLAN port settings are defined, and the device is updated.