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Chapter 29
Configuring LLDP, LLDP-MED, and Wired Location Service
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Enabling LLDP
Beginning in privileged EXEC mode, follow these steps to enable LLDP:
Command
Step 1
configure terminal
Step 2
lldp run
Step 3
interface interface-id
Step 4
lldp transmit
Step 5
lldp receive
Step 6
end
Step 7
show lldp
Step 8
copy running-config startup-config
To disable LLDP, use the no lldp run global configuration command. To disable LLDP on an interface,
use the no lldp transmit and the no lldp receive interface configuration commands.
This example shows how to globally enable LLDP.
Switch# configure terminal
Switch(config)# lldp run
Switch(config)# end
This example shows how to enable LLDP on an interface.
Switch# configure terminal
Switch(config)# interface interface_id
Switch(config-if)# lldp transmit
Switch(config-if)# lldp receive
Switch(config-if)# end
Configuring LLDP Characteristics
You can configure the frequency of LLDP updates, the amount of time to hold the information before
discarding it, and the initialization delay time. You can also select the LLDP and LLDP-MED TLVs to
send and receive.
OL-12247-04
If you first configure a network-policy profile on an interface, you cannot apply the switchport
voice vlan command on the interface. If the switchport voice vlan vlan-id is already configured on
an interface, you can apply a network-policy profile on the interface. This way the interface has the
voice or voice-signaling VLAN network-policy profile applied on the interface.
You cannot configure static secure MAC addresses on an interface that has a network-policy profile.
You cannot configure a network-policy profile on a private-VLAN port.
For wired location to function, you must first enter the ip device tracking global configuration
command.
Cisco Catalyst Blade Switch 3130 and 3032 for Dell Software Configuration Guide
Configuring LLDP, LLDP-MED, and Wired Location Service
Purpose
Enter global configuration mode.
Enable LLDP globally on the switch.
Specify the interface on which you are enabling LLDP, and enter
interface configuration mode.
Enable the interface to send LLDP packets.
Enable the interface to receive LLDP packets.
Return to privileged EXEC mode.
Verify the configuration.
(Optional) Save your entries in the configuration file.
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