Type SubType TLV Description• whether the transmittingdevice supports LLDP-MED• what LLDP-MED TLVs itsupports• LLDP device class127 2 Network Policy Indicates the application type,VLAN ID, Layer 2 Priority, andDSCP value.127 3 Location Identification Indicates that the physicallocation of the device expressedin one of three possible formats:• Coordinate Based LCI• Civic Address LCI• Emergency Call ServicesELIN127 4 Location Identification Indicates power requirements,priority, and power status.Inventory Management TLVs Implementation of this set ofTLVs is optional in LLDP-MEDdevices. None or all TLVs mustbe supported. Dell NetworkingOS does not currently supportthese TLVs.127 5 Inventory — Hardware Revision Indicates the hardware revisionof the LLDP-MED device.127 6 Inventory — Firmware Revision Indicates the firmware revision ofthe LLDP-MED device.127 7 Inventory — Software Revision Indicates the software revision ofthe LLDP-MED device.127 8 Inventory — Serial Number Indicates the device serialnumber of the LLDP-MEDdevice.127 9 Inventory — ManufacturerNameIndicates the manufacturer ofthe LLDP-MED device.127 10 Inventory — Model Name Indicates the model of the LLDP-MED device.127 11 Inventory — Asset ID Indicates a user specified devicenumber to manage inventory.127 12–255 Reserved —536 Link Layer Discovery Protocol (LLDP)
