C
HAPTER
15
| Basic Administration Protocols
Link Layer Discovery Protocol
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Figure 204: Configuring SMTP Alert Messages
LINK LAYER DISCOVERY PROTOCOL
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.
SETTING LLDP TIMING
ATTRIBUTES
Use the Administration > LLDP (Configure Global) page to set attributes for
general functions such as globally enabling LLDP on the switch, setting the
message ageout time, and setting the frequency for broadcasting general
advertisements or reports about changes in the LLDP MIB.
CLI REFERENCES
â—† "LLDP Commands" on page 883
PARAMETERS
These parameters are displayed:
◆ LLDP – Enables LLDP globally on the switch. (Default: Enabled)
◆ Transmission Interval – Configures the periodic transmit interval for
LLDP advertisements. (Range: 5-32768 seconds; Default: 30 seconds)
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