Administrator Guide

Type TLV Description
7 System capabilities Identifies the chassis as one or more of the
following: repeater, bridge, WLAN Access
Point, Router, Telephone, DOCSIS cable
device, end station only, or other.
8 Management address Indicates the network address of the
management interface. The Dell Networking
OS does not currently support this TLV.
IEEE 802.1 Organizationally Specific
TLVs
127 Port-VLAN ID On Dell Networking systems, indicates the
untagged VLAN to which a port belongs.
127 Port and Protocol VLAN ID On Dell Networking systems, indicates the
tagged VLAN to which a port belongs (and
the untagged VLAN to which a port belongs
if the port is in Hybrid mode).
127 Protocol Identity Indicates the protocols that the port can
process. The Dell Networking OS does not
currently support this TLV.
IEEE 802.3 Organizationally Specific
TLVs
127 MAC/PHY Configuration/Status Indicates the capability and current setting
of the duplex status and bit rate, and
whether the current settings are the result
of auto-negotiation. This TLV is not available
in the Dell Networking OS implementation of
LLDP, but is available and mandatory (non-
configurable) in the LLDP-MED
implementation.
127 Power via MDI Dell Networking supports the LLDP-MED
protocol, which recommends that Power via
MDI TLV be not implemented, and therefore
Dell Networking implements Extended
Power via MDI TLV only.
127 Link Aggregation Indicates whether the link is capable of
being aggregated, whether it is currently in
a LAG, and the port identification of the
LAG. The Dell Networking OS does not
currently support this TLV.
127 Maximum Frame Size Indicates the maximum frame size capability
of the MAC and PHY.
TIA-1057 (LLDP-MED) Overview
Link layer discovery protocol — media endpoint discovery (LLDP-MED) as defined by ANSI/ TIA-1057— provides additional
organizationally specific TLVs so that endpoint devices and network connectivity devices can advertise their characteristics and
configuration information; the OUI for the Telecommunications Industry Association (TIA) is 00-12-BB.
• LLDP-MED Endpoint Device — any device that is on an IEEE 802 LAN network edge can communicate using IP and uses the
LLDP-MED framework.
• LLDP-MED Network Connectivity Device — any device that provides access to an IEEE 802 LAN to an LLDP-MED endpoint
device and supports IEEE 802.1AB (LLDP) and TIA-1057 (LLDP-MED). The Dell Networking system is an LLDP-MED network
connectivity device.
Regarding connected endpoint devices, LLDP-MED provides network connectivity devices with the ability to:
• manage inventory
• manage Power over Ethernet (PoE)
520
Link Layer Discovery Protocol (LLDP)