Time To Live
End of LLDPDU
IEEE 802.1 organizationally specific TLVs
Table 1-4 IEEE 802.1 organizationally specific TLVs
Port VLAN ID
Port And Protocol VLAN ID
Currently, Switches 4500G support receiving but not sending protocol identity TLVs.
IEEE 802.3 organizationally specific TLVs
Table 1-5 IEEE 802.3 organizationally specific TLVs
Power Via MDI
ID of the sending port.
If MED TLVs are included in the LLDPDU, the port ID TLV
carries the MAC address of the sending port or the bridge
MAC in case the port does not have a MAC address. If no
MED TLVs are included, the port ID TLV carries the port
Life of the transmitted information on the receiving device.
Marks the end of the TLV sequence in the LLDPDU.
Port description of the sending port.
Assigned name of the sending device.
Description of the sending device.
Identifies the primary functions of the sending device and
the primary functions that have been enabled.
Management address used to reach higher level entities to
assist discovery by network management, and the interface
number and OID (object identifier) associated with the
PVID of the sending port
Port and protocol VLAN IDs
A specific VLAN name on the port
Protocols supported on the port
Contains the rate and duplex capabilities of the sending port,
support for auto negotiation, enabling status of auto
negotiation, and the current rate and duplex mode.
Contains Power supply capability of the port.
Indicates the support of the port for link aggregation, the
aggregation capability of the port, and the aggregation status
(that is, whether the link is in an aggregation).