Table 32. Type, Length, Value (TLV) Types
Type
0
1
2
3
—
Figure 64. LLDPDU Frame
Optional TLVs
The Dell Networking OS supports these optional TLVs: management TLVs, IEEE 802.1 and 802.3 organizationally specific TLVs, and
TIA-1057 organizationally specific TLVs.
Management TLVs
A management TLV is an optional TLVs sub-type. This kind of TLV contains essential management information about the sender.
Organizationally Specific TLVs
A professional organization or a vendor can define organizationally specific TLVs. They have two mandatory fields (as shown in the
following illustration) in addition to the basic TLV fields.
450
Link Layer Discovery Protocol (LLDP)
TLV
End of LLDPDU
Chassis ID
Port ID
Time to Live
Optional
Description
Marks the end of an LLDPDU.
An administratively assigned name that
identifies the LLDP agent.
An administratively assigned name that
identifies a port through which TLVs are
sent and received.
An administratively assigned name that
identifies a port through which TLVs are
sent and received.
Includes sub-types of TLVs that advertise
specific configuration information. These
sub-types are Management TLVs, IEEE
802.1, IEEE 802.3, and TIA-1057
Organizationally Specific TLVs.