4.4.15 LLDP Configuration
LLDP stands for Link Layer Discovery Protocol and runs over data link layer which is used for
network devices to send information about themselves to other directly connected devices on the
network. By using LLDP, two devices running different network layer protocols can learn
information about each other. A set of attributes are used to discover neighbor devices. These
attributes contains type, length, and value descriptions and are referred to as TLVs. Details such
as port description, system name, system description, system capabilities, management address
can be sent and received on this Managed Switch. Use Spacebar to select “ON” if you want to
receive and send the TLV.
Select the option LLDP Configuration from the Switch Management menu and then the
following screen page appears.
Port Number: Click on the checkbox of corresponding port number to enable LLDP function on
the specific port(s).
Receiver Hold-Time (TTL): Enter the amount of time for receiver hold-time in seconds. The
Managed Switch will keep the information sent by the remote device for a period of time you
specify here before discarding it.
Sending LLDP Packet Interval: Enter the time interval for updated LLDP packets to be sent.
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