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■ LLDP Status - Enable LLDP on the switch. (Default: Disabled)
■ Transmission Interval - Configure the periodic transmit interval for LLDP advertisements. (Range: 5-32768
seconds; Default: 30 seconds)
This attribute must comply with the following rule: (Transmission Interval * Transmission Hold Time) ≤ 65536,
and Transmission Interval ≥ (4 * Transmission Delay)
■ Hold Time Multiplier - Configure the time-to-live (TTL) value sent in LLDP advertisements as shown in the
formula below. (Range: 2-10; Default: 3)
The time-to-live tells the receiving LLDP agent how long to retain all information pertaining to the sending
LLDP agent if it does not transmit updates in a timely manner. TTL in seconds is based on the following rule:
(Transmission Interval * Transmission Hold Time) ≤ 65536. Therefore, the default TTL is 30*3 = 90 seconds.
■ Port - Port identifier. (Range: 1-18)
■ State - Enable LLDP message transmit and receive modes for LLDP Protocol Data Units. (Options: Disabled,
Tx/Rx, Rx only, Tx only; Default: Disabled)
LLDP Neighbors
To display information about devices connected directly to the switch’s ports which are advertising information
through LLDP.
Web Smart switch interface
To display LLDP neighbors, click Configuration, LLDP, LLDP Neighbors.
Click the Refresh button to update the LLDP information.
Figure 25: LLDP Neighbors
Hint§
The following parameters are shown on the LLDP Neighbors page.
■ Local Port - The local port to which a remote LLDP-capable device is attached.
■ Chassis ID - An octet string indicating the specific identifier for the particular chassis in this system.
■ TTL - Indicate the time (in seconds) the remote device’s information should be treated as valid.
■ LLDP Entry Number - The number of the LLDP table entry.