1-4
Type
Description
Remarks
Port Description
Port description of the sending port.
System Name
Assigned name of the sending device.
System Description
Description of the sending device.
System Capabilities
Identifies the primary functions of the sending device and
the primary functions that have been enabled.
Management
Address
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 address.
Optional
2) IEEE 802.1 organizationally specific TLVs
Table 1-4
IEEE 802.1 organizationally specific TLVs
Type
Description
Port VLAN ID
PVID of the sending port
Port And Protocol VLAN ID
Port and protocol VLAN IDs
VLAN Name
A specific VLAN name on the port
Protocol Identity
Protocols supported on the port
Currently, H3C devices support receiving but not sending protocol identity TLVs.
3) IEEE 802.3 organizationally specific TLVs
Table 1-5
IEEE 802.3 organizationally specific TLVs
Type
Description
MAC/PHY Configuration/Status
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.
Power Via MDI
Contains Power supply capability of the port.
Link Aggregation
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).
Maximum Frame Size
Indicates the supported maximum frame size. It is now the MTU
of the port.
LLDP-MED TLVs
LLDP-MED TLVs provide multiple advanced applications for voice over IP (VoIP), such as basic
configuration, network policy configuration, and address and directory management. LLDP-MED TLVs
satisfy the voice device vendors’ requirements for cost effectiveness, ease of deployment, and ease of
