AudioCodes 420HD - Configuring Manual or Automatic VLAN Assignment; Configuring Manual VLAN Assignment to the IP Phone; Configuring Automatic VLAN Assignment to the IP Phone

400HD Series IP Phones
Administrator's Manual 86 Document #: LTRT-11950
Parameter Description
VLAN ID
[network/lan/vlan/id]
The VLAN ID. The valid range is 0 to 4096. The default is 0.
VLAN Priority
[network/lan/vlan/priority]
The priority of traffic pertaining to this VLAN. The valid range is 0 to 7
(where 7 is the highest priority). The default is 0.
PC Port VLAN Activate
[network/lan/vlan/pc_port_
tagging/enable]
Default = Disable [0]. Change to Enable (1) for the traffic from the PC
to the network to be VLAN-tagged.
16.1 Configuring Manual or Automatic VLAN Assignment
You can configure the VLAN to be assigned manually or automatically to your IP phone. This
section shows when to configure what, and why.
16.1.1 Configuring Manual VLAN Assignment to the IP Phone
Configure manual assignment of the VLAN in order to set up two separate VLANs in your
enterprise, one for voice (your IP phone) and the other for data (your pc). Security
considerations may require this. If you configure manual assignment, the switch in your
enterprise will assign the VLAN to your IP phone. See Sections 14.1.1 and 14.1.2 for details.
16.1.2 Configuring Automatic VLAN Assignment to the IP Phone
Configure automatic assignment of VLAN if you do not need to separate voice from data, i.e.,
if there are no security considerations requiring it. In this case, configure either:

Automatic Configuration of VLAN (CDP) [CDP]
Automatic Configuration of VLAN (LLDP) [LLDP]-OR-

Automatic Configuration of VLAN (CDP+LLDP) [CDP_LLDP]
What you select depends on whether the switch deployed in your enterprise supports
Cisco-proprietary Cisco Discovery Protocol (CDP), or LLDP (Link Layer Discovery Protocol)
which is a vendor-neutral protocol used by devices in an IEEE 802 LAN to advertise their
identity, capabilities, and neighbors. Not all switches support CDP. If you are not sure, select
'Automatic Configuration of VLAN (CDP+LLDP)'. LLDP includes enhanced LLDP for Media
Endpoint Devices, i.e., LLDP-MED, to specifically address voice applications.