Operation Manual – Extended VLAN ApplicationH3C S7500 Series Ethernet Switches Chapter 1 Voice VLAN Configuration1-7Caution:z You can enable the voice VLAN feature for only one VLAN at a moment.z A port that has the link aggregation control protocol (LACP) enabled cannot havethe voice VLAN feature enabled at the same time.z A port that has the QinQ or RRPP enabled cannot have the voice VLAN featureenabled at the same time.z Voice VLAN function can be effective only for the static VLAN. Once a dynamicVLAN is enabled with voice VLAN function, it automatically becomes a static VLAN.z When the voice VLAN mode on a port is the security mode, the device only permitspackets whose source addresses are the voice OUI addresses that can be identified.Packets whose source addresses cannot be identified, including certainauthentication packets (such as 802.1x authentication packets), will be dropped. So,do not transmit both voice data and service data in the voice VLAN. If you have to doso, make sure the voice VLAN security mode is disabled.1.3 Displaying Voice VLAN ConfigurationTo do… Use the command… RemarksDisplay the voice VLAN configurationstatusdisplay voice vlanstatusDisplay the currently valid OUI addresses display voice vlan ouiDisplay the ports operating in the voiceVLAN display vlan vlan-idAvailable inany view.1.4 Voice VLAN Configuration Examples1.4.1 Configuring Automatic Voice VLAN ModeI. Network requirementsz Create VLAN 2 and configure it as the voice VLAN.z Configure Ethernet 1/0/1 as a Trunk port, with VLAN 6 as the default VLAN of theport.z Ethernet 1/0/1 can be added to/removed from the voice VLAN automaticallyaccording to the type of the data stream that reaches the port.II. Configuration procedure# Create VLAN 2.
