Table 48. Type, Length, Value (TLV) TypesType TLV Description0 End of LLDPDU Marks the end of an LLDPDU.1 Chassis ID An administratively assigned name thatidentifies the LLDP agent.2 Port ID An administratively assigned name thatidentifies a port through which TLVs aresent and received.3 Time to Live An administratively assigned name thatidentifies a port through which TLVs aresent and received.— Optional Includes sub-types of TLVs that advertisespecific configuration information. Thesesub-types are Management TLVs, IEEE802.1, IEEE 802.3, and TIA-1057Organizationally Specific TLVs.Figure 76. LLDPDU FrameOptional TLVsThe Dell Networking OS supports these optional TLVs: management TLVs, IEEE 802.1 and 802.3 organizationally specific TLVs, andTIA-1057 organizationally specific TLVs.Management TLVsA management TLV is an optional TLVs sub-type. This kind of TLV contains essential management information about the sender.Organizationally Specific TLVsA professional organization or a vendor can define organizationally specific TLVs. They have two mandatory fields (as shown in thefollowing illustration) in addition to the basic TLV fields.512 Link Layer Discovery Protocol (LLDP)
