Operation Manual – Extended VLAN ApplicationH3C S7500 Series Ethernet Switches Chapter 1 Voice VLAN Configuration1-4Caution:z If the voice traffic sent by an IP voice device is tagged and the access port has802.1x authentication and guest VLAN enabled, assign different VLAN IDs for thevoice VLAN, the default VLAN of the access port, and the 802.1x guest VLAN.z If the voice traffic sent by the IP voice device is untagged, to realize the voice VLANfeature, the default VLAN of the IP phone access port can only be configured as thevoice VLAN. Note that at this time 802.1 x authentication function cannot berealized.1.2 Voice VLAN Configuration1.2.1 Configuration Prerequisitesz Create the corresponding VLAN before configuring the voice VLAN.z VLAN 1 is the default VLAN and needs not to be created. But VLAN 1 does notsupport the voice VLAN function.1.2.2 Setting Voice VLAN Mode on a Port to Automatic ModeFollow these steps to set the voice VLAN mode on a port to automatic:To do… Use the command… RemarksEnter system view system-view —Enter Ethernet port view interface interface-typeinterface-number RequiredEnable the voice VLANfunction for the port voice vlan enableRequiredBy default, the voiceVLAN function is disabled.Set the voice VLAN modeon the port to automaticmodevoice vlan mode autoOptionalThe default voice VLANmode on the port isautomatic.Return to system view quit —Set an OUI address thatcan be identified by thevoice VLANvoice vlan mac-addressoui mask oui-mask[ description text ]OptionalBy default, the switchuses the default OUIaddresses to determinethe voice stream.
