Vlan - Yealink SIP-T4X Administrator's Manual

common set of requirements regardless of their physical location can greatly simplify
network design. VLANs can address issues such as scalability, security, and network
management.
The purpose of VLAN configurations on the IP phone is to insert tag with VLAN
information to the packets generated by the IP phone. When VLAN is properly
configured for the ports (internet port and PC port) on the IP phone, the IP phone will tag
all packets from these ports with the VLAN ID. The switch receives and forwards the
tagged packets to the corresponding VLAN according to the VLAN ID in the tag as
described in IEEE Std 802.3.
The VLAN feature on IP phones allows simultaneous access for a regular PC. This feature
allows a PC to be daisy chained to an IP phone and the connection for both PC and IP
phone to be trunked through the same physical Ethernet cable.
In addition to manual configuration, the IP phone also supports automatic discovery of
VLAN via LLDP or DHCP . The assignment takes effect in this order: assignment via LLDP ,
manual configuration, then assignment via DHCP .
VLAN Discovery via DHCP
IP phones support VLAN discovery via DHCP . When the VLAN Discovery method is set to
DHCP , the IP phone will examine DHCP option for a valid VLAN ID. The predefined
option 132 is used to provide the VLAN ID by default. You can customize the DHCP
option used to request the VLAN ID.
Procedure
VLAN can be configured using the configuration files or locally.
Configuration File
Local
<y0000000000xx>.cfg
Web User Interface
Configuring Advanced Features
Configure VLAN for the Internet
port.
For more information, refer to

VLAN

on page 350.
Configure VLAN for the PC port.
For more information, refer to
VLAN on page 350.
Configure the DHCP VLAN
discovery feature.
For more information, refer to
VLAN on page 350.
Configure VLAN for the Internet
port and PC port and the DHCP
VLAN discovery feature.
Navigate to:
http://<phoneIPAddress>/servl
175