203
HP 5800&5820X series Ethernet switches only support receiving protocol identity TLVs.
Layer 3 Ethernet ports do not support IEEE 802.1 organizationally specific TLVs.
3. IEEE 802.3 organizationally specific TLVs
Table 27 IEEE 802.3 organizationally specific TLVs
Type Description
MAC/PHY Configuration/Status
Contains the bit-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 the power supply capability of the port, including the PoE
type, which can be PSE or PD, PoE mode, whether PSE power
supply is supported, whether PSE power supply is enabled, and
whether the PoE mode is controllable.
Link Aggregation
Indicates the aggregation capability of the port (whether the link is
capable of being aggregated), and the aggregation status (whether
the link is in an aggregation).
Maximum Frame Size
Indicates the supported maximum frame size. It is now the MTU of
the port.
Power Stateful Control
Power state control configured on the sending port, including the
power type of the PSE/PD, PoE sourcing/receiving priority, and PoE
sourcing/receiving power.
The Power Stateful Control TLV is defined in IEEE P802.3at D1.0. The later versions no longer support this
TLV. HP devices send this type of TLVs only after receiving them.
LLDP-MED TLVs
LLDP-MED TLVs provide multiple advanced applications for VoIP, such as basic configuration, network
policy configuration, and address and directory management. LLDP-MED TLVs provide a cost-effective and
easy-to-use solution for deploying voice devices in Ethernet. LLDP-MED TLVs are shown in Table 28:
Table 28 LLDP-MED TLVs
Type Description
LLDP-MED Capabilities Allows a network device to advertise the LLDP-MED TLVs it supports
Network Policy
Allows a network device or terminal device to advertise VLAN ID of
the specific port, VLAN type, and the Layer 2 and Layer 3 priorities
for specific applications
Extended Power-via-MDI
Allows a network device or terminal device to advertise power
supply capability. This TLV is an extension of the Power Via MDI
TLV.
Hardware Revision Allows a terminal device to advertise its hardware version
Firmware Revision Allows a terminal device to advertise its firmware version
Software Revision Allows a terminal device to advertise its software version
Serial Number Allows a terminal device to advertise its serial number
Manufacturer Name Allows a terminal device to advertise its vendor name
Model Name Allows a terminal device to advertise its model name