D-Link DGS-1210-10 Reference Guide - Page 37
VLAN > Voice VLAN > Voice VLAN Global Settings, Voice VLAN OUI Settings
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5 Configuration D-Link Web Smart Switch User Manual By default, the Management VLAN is disabled. You can select any existing VLAN as the management VLAN when this function is enabled. There can only be one management VLAN at a time. Figure 5.29 - Configuration > 802.1Q Management VLAN VLAN > Voice VLAN > Voice VLAN Global Settings Voice VLAN is a feature that allows you to automatically place the voice traffic from IP phone to an assigned VLAN to enhance the VoIP service. With a higher priority and individual VLAN, the quality and the security of VoIP traffic are guaranteed. The Voice VLAN function will only insert the Voice VLAN tag to untagged packets under corresponding ports. If a VoIP packet comes with a VLAN tag, the Voice VLAN function won't replace the original VLAN tag. Figure 5.30 - VLAN > Voice VLAN > Voice VLAN Global Settings Voice VLAN: Select to enable or disable Voice VLAN. The default is Disabled. After you enabled Voice VLAN, you can configure the Voice VLAN Global Settings. VLAN ID: The ID of VLAN that you want to assign voice traffic to. You must first create a VLAN from the 802.1Q VLAN page before you can assign a dedicated Voice VLAN. The member port you configured in 802.1Q VLAN setting page will be the static member port of voice VLAN. To dynamically add ports into the voice VLAN, please enable the Auto Detection function Priority: The 802.1p priority levels of the traffic in the Voice VLAN. Aging Time (1-120): Enter a period of time (in hours) to remove a port from the voice VLAN if the port is an automatic VLAN member. When the last voice device stops sending traffic and the MAC address of this voice device is aged out, the voice VLAN aging timer will start. The port will be removed from the voice VLAN after the expiration of the voice VLAN aging timer. Selectable range is from 1 to 120 hours, and default is 1. Click Apply to implement changes made. Voice VLAN OUI Settings: This allows the user to configure the user-defined voice traffic's OUI. An Organizationally Unique Identifier (OUI) is the first three bytes of the MAC address. This identifier uniquely identifies a vendor, manufacturer, or other organization. There are some pre-defined OUIs and when the user configures personal OUI, these pre-defined OUIs must be avoided. Below are the pre-defined voice traffic's OUI: 32