Reference Guide

526 | Link Layer Discovery Protocol (LLDP)
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In Figure 27-8, LLDP is enabled globally. R1 and R2 are transmitting periodic LLDPDUs that contain
management, 802.1, and 802.3 TLVs.
Figure 27-8. Configuring LLDP
Viewing the LLDP Configuration
Display the LLDP configuration using the command show config in either CONFIGURATION or
INTERFACE mode, as shown in Figure 27-9 and Figure 27-10, respectively
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}
PROTOCOL
LLDP
Note: vlan-name is supported on S-Series only.
Step Task Command
Command
Mode
2/11
1/21
fnC0074mp
LLDPDU
R1
R2
R2(conf)#protocol lldp
R2(conf-lldp)#no disable
R2(conf-lldp)#advertise management-tlv system-capabilities system-description
R2(conf-lldp)#ad dot1-tlv vlan-name
R2(conf-lldp)#max-frame-size
R1(conf)#protocol lldp
R1(conf-lldp)#no disable
R1(conf-lldp)#advertise management-tlv system-capabilities system-descripti
on
R1(conf-lldp)#ad dot1-tlv vlan-name
R1(conf-lldp)#max-frame-size
R2(conf)#int gig 2/11
R2(conf-if-gi-2/11)# switchport
R2(conf-if-gi-2/11)#no shut
R1(conf)#int gig 1/21
R1(conf-if-gi-1/21)# switchport
R1(conf-if-gi-1/21)#no shut