Users Guide
TIA Organizationally Specific TLVs
The Dell Networking system is an LLDP-MED Network Connectivity Device (Device Type 4).
Network connectivity devices are responsible for:
• transmitting an LLDP-MED capability TLV to endpoint devices
• storing the information that endpoint devices advertise
The following table describes the five types of TIA-1057 Organizationally Specific TLVs.
Table 52. TIA-1057 (LLDP-MED) Organizationally Specific TLVs
Type SubType TLV Description
127 1 LLDP-MED Capabilities Indicates:
• whether the transmitting 
device supports LLDP-
MED
• what LLDP-MED TLVs it 
supports
• LLDP device class
127 2 Network Policy Indicates the application type, 
VLAN ID, Layer 2 Priority, and 
DSCP value.
127 3 Location Identification Indicates that the physical 
location of the device 
expressed in one of three 
possible formats:
• Coordinate Based LCI
• Civic Address LCI
• Emergency Call Services 
ELIN
127 4 Location Identification Indicates power 
requirements, priority, and 
power status.
Inventory Management TLVs Implementation of this set of 
TLVs is optional in LLDP-MED 
devices. None or all TLVs 
must be supported. Dell 
Networking OS does not 
currently support these TLVs.
127 5 Inventory — Hardware 
Revision
Indicates the hardware 
revision of the LLDP-MED 
device.
127 6 Inventory — Firmware 
Revision
Indicates the firmware 
revision of the LLDP-MED 
device.
127 7 Inventory — Software 
Revision
Indicates the software revision 
of the LLDP-MED device.
Link Layer Discovery Protocol (LLDP) 515










