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27-5
Catalyst 3750 Switch Software Configuration Guide
OL-8550-09
Chapter 27 Configuring LLDP, LLDP-MED, and Wired Location Service
Configuring LLDP, LLDP-MED, and Wired Location Service
Configuring LLDP, LLDP-MED, and Wired Location Service
• Default LLDP Configuration, page 27-5
• Configuration Guidelines, page 27-5
• Enabling LLDP, page 27-6
• Configuring LLDP Characteristics, page 27-7
• Configuring LLDP-MED TLVs, page 27-8
• Configuring Network-Policy TLV, page 27-9
• Configuring Location TLV and Wired Location Service, page 27-10
Default LLDP Configuration
Configuration Guidelines
• If the interface is configured as a tunnel port, LLDP is automatically disabled.
• 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.
Table 27-1 Default LLDP Configuration
Feature Default Setting
LLDP global state Disabled
LLDP holdtime (before discarding) 120 seconds
LLDP timer (packet update frequency) 30 seconds
LLDP reinitialization delay 2 seconds
LLDP tlv-select Disabled to send and receive all TLVs
LLDP interface state Disabled
LLDP receive Disabled
LLDP transmit Disabled
LLDP med-tlv-select Disabled to send all LLDP-MED TLVs. When
LLDP is globally enabled, LLDP-MED-TLV is
also enabled.