User's Manual

Table Of Contents
66
Link Layer Discovery Protocol. LLDP is a vendor independent link layer protocol used by
network devices for advertising their identity, capabilities to neighbors on a LAN
segment.
Phone could use LLDP to find the VLAN switch or other VLAN devices and use LLDP
learn feature to apply the VLAN ID from VLAN switch to phone its self.
CDP
Cisco Discovery Protocol. CDP is a not-for-profit charity that runs the global disclosure
system for investors, companies, cities, states and regions to manage their
environmental impacts. According to the CDP, Cisco devices could share the OS version,
IP address, hardware version and so on.
Picture 117 - QoS & VLAN
Parameters
Description
LLDP setting
Report
Enable LLDP
Interval
LLDP requests interval time
Learning
apply the learned VLAN ID to the phone
configuration
QoS
QoS Mode
configure SIP DSCP and audio DSCP
WAN VLAN
WAN VLAN
WAN port VLAN configuration
LAN VLAN
LAN VLAN
LAN port VLAN configuration
CDP
CDP
CDP enable/disable CDP interval time
Note
QoS & VLAN details refer to
http://www.fanvil.com/Uploads/Temp/download/20180920/5ba383b56c3ef.pdf
12.7.2.3 VPN
Virtual Private Network (VPN) is a technology to allow device to create a tunneling
connection to a server and becomes part of the server’s network. The network
transmission of the device may be routed through the VPN server.