H3C Technologies H3C S5560 Series Switches - Manual (Page 270)

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Organizationally specific TLVs and LLDP-MED TLVs are used for enhanced device management. They are
defined by standardization or other organizations and are optional for LLDPDUs.
• Basic management TLVs
Table 21 lists the basic management TLV types. Some of them are mandatory for LLDPDUs.
Table 21 Basic management TLVs
Type Description Remarks
Chassis ID Specifies the bridge MAC address of the sending device.
Mandatory.
Port ID
Specifies the ID of the sending port:
• If the LLDPDU carries LLDP-MED TLVs, the port ID TLV carries
the MAC address of the sending port.
• Otherwise, the port ID TLV carries the port name.
Time to Live
Specifies the life of the transmitted information on the
receiving device.
End of LLDPDU Marks the end of the TLV sequence in the LLDPDU.
Port Description Specifies the description for the sending port.
Optional.
System Name Specifies the assigned name of the sending device.
System Description Specifies the description for the sending device.
System Capabilities
Identifies the primary functions of the sending device and the
enabled primary functions.
Management Address
Specifies the following elements:
• The management address of the local device.
• The interface number and object identifier (OID)
associated with the address.
• IEEE 802.1 organizationally specific TLVs
Table 22 IEEE 802.1 organizationally specific TLVs
Type Description
Port VLAN ID Specifies the port VLAN identifier (PVID).
Port And Protocol VLAN ID
Indicates whether the device supports protocol VLANs and, if so, what
VLAN IDs these protocols will be associated with.
VLAN Name Specifies the textual name of any VLAN to which the port belongs.
Protocol Identity Indicates protocols supported on the port.
DCBX
Data center bridging exchange protocol.
NOTE:
The switch does not support DCBX TLV.
EVB module
Edge Virtual Bridging module, including EVB TLV and CDCP TLV.
NOTE:
The switch does not support EVB TLV.
Link Aggregation
Indicates whether the port supports link aggregation, and if yes, whether
link aggregation is enabled.
Management VID Management VLAN ID.