Link Layer Discovery Protocol (LLDP) | 323
Advertising TLVs
You can configure the system to advertise TLVs out of all interfaces or out of specific interfaces.
• If you configure the system globally, all interfaces send LLDPDUs with the specified TLVs.
• If you configure an interface, only the interface sends LLDPDUs with the specified TLVs.
If you configure LLDP both globally and at interface level, the interface-level configuration overrides the
global configuration. To advertise TLVs, follow these steps:
Step Task Command Command Mode
1 Enter LLDP mode.
protocol lldp
CONFIGURATION
or INTERFACE
2 Advertise one or more TLVs. Include the keyword
for each TLV you want to advertise.
• For management TLVs: system-capabilities,
system-description
• For 802.1 TLVs: port-protocol-vlan-id,
port-vlan-id, vlan-name
• For 802.3 TLVs: max-frame-size
• For TIA-1057 TLVs:
• guest-voice
• guest-voice-signaling
• location-identification
• power-via-mdi
• softphone-voice
• streaming-video
• video-conferencing
• video-signaling
• voice
• voice-signaling
advertise {management-tlv |
dot1-tlv | dot3-tlv | med |
dcbx-appln-tlv | dcbx-tlv |
interface-port-desc}
PROTOCOL LLDP
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