Operation Manual – Voice VLANH3C S3100 Series Ethernet Switches Chapter 1 Voice VLAN Configuration1-5the voice VLAN. In voice VLAN assignment automatic mode, ports can not beadded to or removed from a voice VLAN manually.z Manual voice VLAN assignment mode: In this mode, you need to add a port to avoice VLAN or remove a port from a voice VLAN manually.II. Processing mode of tagged packets sent by IP voice devicesTagged packets from IP voice devices are forwarded based on their tagged VLAN IDs,whether the automatic or manual voice VLAN assignment mode is used.Caution:If the voice traffic transmitted by an IP voice device carries VLAN tags, and 802.1xauthentication and guest VLAN is enabled on the port which the IP voice device isconnected to, assign different VLAN IDs for the voice VLAN, the default VLAN of theport, and the 802.1x guest VLAN to ensure the effective operation of these functions.1.1.5 Support for Voice VLAN on Various PortsVoice VLAN packets can be forwarded by access ports, trunk ports, and hybrid ports.You can enable a trunk or hybrid port belonging to other VLANs to forward voice andservice packets simultaneously by enabling the voice VLAN.For different types of IP phones, the support for voice VLAN varies with port types andport configuration. For IP phones capable of acquiring IP address and voice VLANautomatically, the support for voice VLAN is described in Table 1-2.Table 1-2 Matching relationship between port types and voice devices capable ofacquiring IP address and voice VLAN automatically
