3-7To do... Use the command... RemarksAccess port Refer to Assigning an AccessPort to a VLAN.Trunk port Refer to Assigning a Trunk Portto a VLAN.Assign theport in manualvoice VLANassignmentmode to thevoice VLAN Hybrid port Refer to Assigning a HybridPort to a VLAN.Use one of the threeapproaches.After you assign an access portto the voice VLAN, the voiceVLAN becomes the defaultVLAN of the port automatically.Trunk port Refer to section Assigning aTrunk Port to a VLAN.Configure thevoice VLANas the defaultVLAN of theport Hybrid port Refer to Assigning a HybridPort to a VLAN.OptionalThis operation is required foruntagged inbound voice trafficand prohibited for taggedinbound voice traffic.Enable voice VLAN on the port voice vlan enable Requiredz An S5120-EI switch supports up to eight voice VLANs globally.z You can configure different voice VLANs on different ports at the same time. However, one portcan be configured with only one voice VLAN, and this voice VLAN must be a static VLAN thatalready exists on the device.z Voice VLAN is mutually exclusive with Link Aggregation Control Protocol (LACP) on a port.z To make voice VLAN take effect on a port which is enabled with voice VLAN and operates inmanual voice VLAN assignment mode, you need to assign the port to the voice VLAN manually.Displaying and Maintaining Voice VLANTo do... Use the command... RemarksDisplay the voice VLAN state display voice vlan state Available in any viewDisplay the OUI addressescurrently supported by system display voice vlan oui Available in any viewVoice VLAN Configuration ExamplesAutomatic Voice VLAN Mode Configuration ExampleNetwork requirementsAs shown in Figure 3-3,z The MAC address of IP phone A is 0011-1100-0001. The phone connects to a downstream devicenamed PC A whose MAC address is 0022-1100-0002 and to GigabitEthernet 1/0/1 on an upstreamdevice named Device A.z The MAC address of IP phone B is 0011-2200-0001. The phone connects to a downstream devicenamed PC B whose MAC address is 0022-2200-0002 and to GigabitEthernet 1/0/2 on Device A.
