Lantech LGS-2624C, User Manual, Page: 162 / 279

Port Security
Indicates the Voice VLAN port security mode. When the function is enabled,
all non-telephonic MAC addresses in the Voice VLAN will be blocked for 10
seconds. Possible port modes are:
Enabled: Enable Voice VLAN security mode operation.
Disabled: Disable Voice VLAN security mode operation.
Port Discovery Protocol
Indicates the Voice VLAN port discovery protocol. It will only work when
auto detect mode is enabled. We should enable LLDP feature before
configuring discovery protocol to "LLDP" or "Both". Changing the discovery
protocol to "OUI" or "LLDP" will restart auto detect process. Possible
discovery protocols are:
OUI: Detect telephony device by OUI address.
LLDP: Detect telephony device by LLDP.
Both: Both OUI and LLDP.