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28-4
Catalyst 3750-E and 3560-E Switch Software Configuration Guide
OL-9775-02
Chapter 28 Configuring LLDP and LLDP-MED
Configuring LLDP and LLDP-MED
Use the no form of each of the LLDP commands to return to the default setting.
This example shows how to configure LLDP characteristics.
Switch# configure terminal
Switch(config)# lldp holdtime 120
Switch(config)# lldp reinit 2
Switch(config)# lldp timer 30
Switch(config)# end
For additional LLDP show commands, see the “Monitoring and Maintaining LLDP and LLDP-MED”
section on page 28-7.
Disabling and Enabling LLDP Globally
LLDP is enabled by default.
Beginning in privileged EXEC mode, follow these steps to disable LLDP:
Beginning in privileged EXEC mode, follow these steps to enable LLDP-MED when it has been
disabled:
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
lldp holdtime seconds (Optional) Specify the amount of time a receiving device should hold the
information sent by your device before discarding it.
The range is 0 to 65535 seconds; the default is 120 seconds.
Step 3
lldp reinit (Optional) Specify the delay time in seconds for LLDP to initialize on any
interface.
The range is 2 to 5 seconds; the default is 2 seconds.
Step 4
lldp timer seconds (Optional) Set the transmission frequency of LLDP updates in seconds.
The range is 5 to 65534 seconds; the default is 30 seconds.
Step 5ll
lldp tlv-select (Optional) Specify the LLDP TLVs to send or receive.
Step 6
lldp med-tlv-select (Optional) Specify the LLDP-MED TLVs to send or receive.
Step 7
copy running-config startup-config (Optional) Save your entries in the configuration file.
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
no lldp run Disable LLDP.
Step 3
end Return to privileged EXEC mode.
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
lldp run Enable LLDP.
Step 3
end Return to privileged EXEC mode.