Users Guide

Optional TLVs
OS10 supports basic TLVs, management TLVs, IEEE 802.1 and IEEE 802.3 organization-specific TLVs, and LLDP-Media Endpoint
Discovery (MED) TLVs.
NOTE: The maximum size of the LLDPDUs supported on the transmission side is 1500 bytes. If the size of the TLVs that
are transmitted exceeds 1500 bytes when adding one optional TLV of a particular type, all optional TLVs of that type is
removed. Only the optional TLVs that fit the maximum supported size is allowed.
Basic TLVs
Table 32. Basic TLVs
TLV Type Description
Port description 4 User-defined alphanumeric string that
describes the port (port ID or interface
description).
System name 5 User-defined alphanumeric string that
identifies the system.
System description 6 Includes the following information:
• Host description
• Dell OS version
• Dell application software version
• Build timestamp
System capabilities 7 Determines the capabilities of the system.
Management address 8 Network address of the management
interface.
Organizationally specific TLVs
Table 33. 802.1x organizationally specific TLVs (Type – 127, OUI – 00-80-C2)
TLV Subtype Description
Link aggregation 7 Indicates whether the link associated with
the port on which the LLDPDU is
transmitted is aggregated. Also provides the
aggregated port identifier.
Port VLAN ID 1 Untagged VLAN to which a port belongs.
Protocol identity 4 Not supported.
Table 34. 802.3 organizationally specific TLVs (Type – 127, OUI – 00-12-0F)
TLV Subtype Description
MAC/PHY configuration/status 1 Indicates duplex and bit rate capability and
the current duplex and bit rate settings of
the sending device. Also indicates whether
the current settings are due to auto-
negotiation or manual configuration.
388 Layer 2