User’s Manual of NS2503-24P/2C
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4.10 LLDP
Link Layer Discovery Protocol (LLDP)
is used to discover basic information about neighboring devices on the local broadcast
domain. LLDP is a Layer 2 protocol that uses periodic broadcasts to advertise information about the sending device. Advertised
information is represented in
Type Length Value (TLV)
format according to the IEEE 802.1ab standard, and can include details
such as device identification, capabilities and configuration settings. LLDP also defines how to store and maintain information
gathered about the neighboring network nodes it discovers.
4.10.1 Port Configuration
Use this page to change LLDP parameters, the web screen in
Figure 4-10-1
appears..
Figure 4-10-1:
LLDP Function Interface Screenshot
The page includes the following fields:
Object
Description
LLDP Status
Enable/Disable LLDP.
LLDP hello time
You can change LLDP hello time value. The time interval between
the transmission LLDP info packets. Value range is from 5 to 32768.
Default value is 30.
LLDP hold time
You can change LLDP hold time value. (The hold time * the hello
time) is the TTL time in the LLDP info packets. Value range is from 2
to 10. Default value is 4.
