| Phone Network | 20
LLDP Configuration
LLDP (Linker Layer Discovery Protocol) is a vendor-neutral Link Layer protocol, which allows phones to receive
and/or transmit device-related information from/to directly connected devices on the network that are also using the
protocol, and store the information about other devices.
When LLDP feature is enabled on the phones, the phones periodically advertise their own information to the directly
connected LLDP-enabled switch. The phones can also receive LLDP packets from the connected switch. When the
application type is “voice”, the phones decide whether to update the VLAN configurations obtained from the LLDP
packets. When the VLAN configurations on the phones are different from the ones sent by the switch, the phones
perform an update and reboot. This allows the phones to plug into any switch, obtain their VLAN IDs, and then start
communications with the call control.
The following table lists the parameters you can use to configure LLDP.
Parameter static.network.lldp.enable
[1]
<y0000000000xx>.cfg
Description It enables or disables the LLDP (Linker Layer Discovery Protocol) feature on the
phone.
Permitted Values
0-Disabled
1-Enabled, the phone will attempt to determine its VLAN ID through LLDP.
Default 1
Web UI Network > Advanced > LLDP > Active
Phone UI
> Settings > Device Settings > Network(Admin only, default password:
admin) > LLDP > LLDP Status
Parameter static.network.lldp.packet_interval
[1]
<y0000000000xx>.cfg
Description
It configures the interval (in seconds) that how often the phone sends the LLDP
(Linker Layer Discovery Protocol) request.
Note: It works only if “static.network.lldp.enable” is set to 1 (Enabled).
Permitted Values Integer from 1 to 3600
Default 60
Web UI Network > Advanced > LLDP > LLDP Interval (1~3600s)
Phone UI
> Settings > Device Settings > Network(Admin only, default password:
admin) > LLDP > LLDP Interval
[1]If you change this parameter, the phone will reboot to make the change take effect.
CDP Configuration
CDP (Cisco Discovery Protocol) allows phones to receive and/or transmit device-related information from/to directly
connected devices on the network that are also using the protocol, and store the information about other devices.
If the CDP feature is enabled on the phones, the phones will periodically advertise their own information to the
directly connected CDP-enabled switch. The phones can also receive CDP packets from the connected switch. If
the VLAN configurations on the phones are different from the ones sent by the switch, the phones will perform an
update and reboot. This allows you to connect the phones into any switch, obtain their VLAN IDs, and then start
communications with the call control.
The following table lists the parameters you can use to configure CDP.
Parameter static.network.cdp.enable
[1]
<y0000000000xx>.cfg
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