Operation Manual – Voice VLANH3C S5600 Series Ethernet Switches Chapter 1 Voice VLAN Configuration1-9Caution:z A port working in automatic voice VLAN assignment mode cannot be assigned tothe voice VLAN manually. Therefore, if a VLAN is configured as the voice VLAN anda protocol-based VLAN at the same time, the protocol-based VLAN function cannotbe bound with the port. For information about protocol-based VLANs, refer to VLANConfiguration in this manual.z For a port operating in automatic voice VLAN assignment mode, its default VLANcannot be configured as the voice VLAN; otherwise the system prompts you forunsuccessful configuration.Note:When the voice VLAN is working normally, if the device restarts or the Unit ID of adevice in a stack changes, in order to make the established voice connections worknormally, the system does not need to be triggered by the voice traffic to add the port inautomatic voice VLAN assignment mode to the local devices as well as the IRF of thevoice VLAN but does so immediately after the restart or the changes.1.2.3 Configuring the Voice VLAN to Operate in Manual Voice VLANAssignment ModeFollow these steps to configure a voice VLAN to operate in manual voice VLANassignment mode:To do… Use the command… RemarksEnter system view system-view —Set an OUI address that can beidentified by the voice VLANvoice vlanmac-address ouimask oui-mask[ description text ]OptionalWithout thisaddress, thedefault OUIaddress is used.Enable the voice VLAN securitymodevoice vlan securityenableOptionalBy default, thevoice VLANsecurity mode isenabled.Set the voice VLAN aging timer voice vlan agingminutesOptionalThe default agingtimer is 1,440minutes.
