HP 1920 Series User Manual page 233

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Type
Protocol Identity
DCBX
NOTE:
HP devices support only receiving protocol identity TLVs.
IEEE 802.3 organizationally specific TLVs
Table 73 IEEE 802.3 organizationally specific TLVs
Type
MAC/PHY
Configuration/Status
Power Via MDI
Link Aggregation
Maximum Frame Size
Power Stateful Control
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 74.
Table 74 LLDP-MED TLVs
Type Description
LLDP-MED Capabilities Allows a network device to advertise the LLDP-MED TLVs that it supports.
Allows a network device or terminal device to advertise the VLAN ID of the
Network Policy specific port, the VLAN type, and the Layer 2 and Layer 3 priorities for specific
applications.
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Description
Indicates protocols supported on the port. An LLDPDU can carry
multiple different TLVs of this type.
Data center bridging exchange protocol.
Description
Contains the rate and duplex capabilities of the sending port, support for
autonegotiation, enabling status of auto negotiation, and the current rate
and duplex mode.
Contains the power supply capability of the port:
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Port class (PSE or PD).
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Power supply mode.
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Whether PSE power supply is supported.
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Whether PSE power supply is enabled.
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Whether pair selection can be controllable.
Indicates the support of the port for link aggregation, the aggregation
capability of the port, and the aggregation status (or whether the link is in an
aggregation).
Indicates the supported maximum frame size. It is now the MTU of the port.
Indicates the power state control configured on the sending port, including
the following:
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Power supply mode of the PSE/PD.
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PSE/PD priority.
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PSE/PD power.
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