Cisco Catalyst 3560-X Series, Руководство по настройке программного обеспечения

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Catalyst 3750-X and 3560-X Switch Software Configuration Guide
OL-25303-03
Chapter 1 Configuring LLDP, LLDP-MED, and Wired Location Service
Configuring LLDP, LLDP-MED, and Wired Location Service
Enabling LLDP
Beginning in privileged EXEC mode, follow these steps to enable LLDP:
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.
Beginning in privileged EXEC mode, follow these steps to configure the LLDP characteristics.
Note
Steps 2 through 5 are optional and can be performed in any order.
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
lldp run Enable LLDP globally on the switch.
Step 3 interface interface-id Specify the interface on which you are enabling LLDP, and enter
interface configuration mode.
Step 4 lldp transmit Enable the interface to send LLDP packets.
Step 5
lldp receive Enable the interface to receive LLDP packets.
Step 6
end Return to privileged EXEC mode.
Step 7 show lldp Verify the configuration.
Step 8 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
lldp holdtime seconds (Optional) Specify the amount of time a receiving device should hold the
information from your device before discarding it.
The range is 0 to 65535 seconds; the default is 120 seconds.